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Two persons start running simultaneously around a circular track of length 200 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions?
A taxi leaves Point A 5 hours after a bus left the same spot. The bus is traveling 10 mph slower than the taxi. Find the speed of the taxi, if it overtakes the bus in three hours.
A train running at the speed of 60 km/hr crosses a pole in 15 seconds. What is the length of the train?
UNO plans a gathering. However there is threat of terrorist attack. So security guard who is a mathematical plans somethings to secure the place. A terrorist stands nearby the door where 1st ambassador comes , the security guard said 'twelve' and ambassador replied with 'six'. 2nd ambassador comes , the security guard ...
A cistern can be filled by a tap in 5 hours while it can be emptied by another tap in 6 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled ?
Molly's age in 18 years will be four times her age eighteen years ago. What is Molly's present age?
An investor bought two shares of stock, which he sold for $72 each. If he had a profit of 20% on one of the shares and a loss of 20% on the other share, then on the sale of both shares combined, the investor had:
How many integers from 0 to 50 inclusive have a remainder of 3 when divided by 7?
One out of five employees are capable of doing a certain task. 80 percent of the five employees, including the one who are capable, are assigned to a project involving this task. what percentage of employees assigned to the project are not capable?
A group consists of 4 men, 6 women and 1 child. In how many ways can 2 men , 3 women and 1 child selected from the given group?
Rates for having a manuscript typed at a certain typing service are $5 per page for the first time a page is typed and $4 per page each time a page is revised. If a certain manuscript has 100 pages, of which 30 were revised only once, 20 were revised twice, and the rest required no revisions, what was the total cost of...
How many such pairs of digits are there in the number '5391246' in both forward and backward directions, each of which has as many digits between them in the number as when the digits are arranged in ascending order with in the number?
A money lender finds that due to a fall in the annual rate of interest from 8% to 7 3/4 % his yearly income diminishes by Rs. 64.50, his capital is?
x and y are integers. x + y < 11 and x > 6. What is the smallest possible value of x - y ?
The rate of Interest on a sum of money is 2% p.a. for the first 3 years, 4% p.a. for the next 4 years, and 5% for the period beyond 7 years. If the S.I, Occured on the sum for the total period of 8 years is Rs. 540/-, the sum is
The principal that amounts to Rs. 4913 in 3 years at 6 1/4 % per annum C.I. compounded annually, is?
Each of the 55 points is placed either inside or on the surface of a perfect sphere. If 60% or fewer of the points touch the surface, what is the maximum number of segments which, if connected from those points to form chords, could be the diameter of the sphere?
Two numbers have a H.C.F of 16 and a product of two numbers is 2560. Find the L.C.M of the two numbers?
X and Y started a business with capitals Rs. 20000 and Rs. 25000. After few months Z joined them with a capital of Rs. 30000. If the share of Z in the annual profit of Rs. 50000 is Rs. 14000, then after how many months from the beginning did Z join?
The ratio between the present ages of P and Q is 5 : 7 respectively. If the difference between Q's present age and P's age afler 6 years is 2, what is the total of P's and Q's present ages?
Of the 90 employees of a certain company, twice as many are in the sales department as are in all of the other departments combined. What is the number of employees in the sales department?
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
There are 2 red chips and 2 blue ones. When arranged in a row, they form a certain color pattern, for example RBRRB. How many color patterns?
If the price has fallen by 15% what percent of its consumption be: increased so that the expenditure may be the same as before?
A worker is paid a regular rate of Rs.20 for completing a survey. The worker completes 100 surveys per week. For any survey involving the use of her cellphone, she is paid at a rate of that is 10% higher than her regular rate. If she completed 70 surveys involving the use of her cellphone, how much did she get that wee...
A certain music store stocks 800 cellos and 600 violas. Of these instruments, there are 110 cello-viola pairs, such that a cello and a viola were both made with wood from the same tree (each tree can make at most one viola and one cello, so there are no pairs other than these 90). If one viola and one cello are chosen ...
Sourav walks 20 meters towards North. He then turns left and walks 40 meters. He again turns left and walks 20 meters. Further, he moves 20 meters after turning to right. How far is he from his original position?
A train having a length of 1/4 mile , is traveling at a speed of 75 mph. It enters a tunnel 3 ½ miles long. How long does it take the train to pass through the tunnel from the moment the front enters to the moment the rear emerges?
A person's present age is two-fifth of the age of his mother. After 10years, he will be one - half of the age of his mother. How old is the mother at present ?
In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, the dividend is?
On a certain Monday, john drove to work at an average speed of 50 miles per hour and home from work along exactly the same route at an average speed of 70 miles per hour. Which of the following is closest to his average speed for both trips combined?
By selling a watch for Rs.640/-, a man loses 20% what is that watch cost price
A family has two children. find the probability that both the children are girls given that at least one of them is a girl?
X, Y, and Z are consecutive numbers and X > Y > Z. Also, X + 3Y + 3Z = 5Y + 4. What is the value of Z?
a, b, c and d are four consecutive numbers. If the sum of a and dis 113, what is the product of b and c?
The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 750 resolutions?
A motorcyclist started riding at highway marker A, drove 120 miles to highway marker B, and then, without pausing, continued to highway marker C, where she stopped. The average speed of the motorcyclist, over the course of the entire trip, was 50 miles per hour. If the ride from marker A to marker B lasted 3 times as m...
A single discount equivalent to a series of 30%, 20%, and 10% is
Cost of 16 mirror and 8 comb is Rs.344 and the cost of 4 mirror and 4 comb is Rs.96. Find the cost of each mirror?
How many ways can 9 friends be arranged around a circular dinner table?
Angelina walked 250 meters from her home to the grocery at a constant speed. She then walked 360 meters to the gym at double the speed. She spent 70 seconds less on her way from the grocery to the gym than on her way from home to the grocery. What was Angelina's speed, in meters per second, from the grocery to the gym?
In a group of 7 boys and 8 girls , 5 members are to be selected. In how many different ways can they be selected such that at least 3 boys should be there ?
If the product of two positive integers is 40, which of the following could be the LCM and HCF of the two numbers? a. LCM 20 : HCF 2 b. LCM 40 : HCF 5 c. LCM 20 : HCF 4
A metal bar weighs 8.15 ounces. 93% of the bar is silver. How many ounces of silver are in the bar? (round to the nearest thousandth)
Tom travels first 5 kilometers in 80km/hr and another 5 kilometers in 20km/hr. What is his average speed?
The average wages of a worker during a fortnight comprising 15 consecutive working days was $90 per day. During the first 7 days, his average wages was $87 per day and the average wages during the last 7 days was $94 per day. What was his wage on the 8th day?
In the sequence 1, 2, 4, 8, 16, 32, …, each term after the first is twice the previous term. What is the sum of the 13th, 13th, and 15th terms in the sequence?
What profit percent is made by selling an article at a certain price, if by selling at 2/3rd of that price, there would be a loss of 20%?
A man can row a boat at 21 kmph in still water. If the speed of the stream is 7 kmph, what is the time taken to row a distance of 70 km downstream?
10% of employees are women with fair hair. 40% of fair-haired employees are women. What percent of employees have fair hair?
up to 20,how many no. are odd and prime both?
Selling an kite for Rs. 30, a shop keeper gains 30%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is?
The area of circle O is added to its diameter. If the circumference of circle O is then subtracted from this total, the result is 6. What is the radius of circle O?
Machine X can complete a job in half the time it takes Machine Y to complete the same job, and Machine Z takes 50% longer than Machine X to complete the job. If all three machines always work at their respective, constant rates, what is the ratio L of the amount of time it will take Machines X and Z to complete the job...
The digit in unit's place of the product 81 ×82×.....×89 is
There are 5 red shoes, 4 green shoes. If one drasw randomly a shoe what is the probability of getting redshoe
There are 17 stations between Hyderabad and Bangalore. How many second class tickets have to be printed, so that a passenger can travel from any station to any other station?
A man sells two articles for Rs.2250 each and he gains 24% on the first and loses 45% on the next. Find his total gain or loss?
If each data point in a certain set Q is increased by a factor of 20, what happens with the set's standard deviation?
In the xy plane line m has the equation 4x + y = q. Line n passes through the origin and is perpendicular to line m. If point p has the coordinates (r, r+1) and is on both line n and m what is the value of r?
In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?
In the standard formulation of a flavored drink the ratio by volume of flavoring to corn syrup to water is 1 : 12 : 30. In the sport formulation, the ratio of flavoring to corn syrup is three times as great as in the standard formulation, and the ratio of flavoring to water is half that of the standard formulation. If ...
Find the number of digits that are to be used in numbering a book of 400 pages.
An alchemist discovered that the formula expressing the correct proportions needed to turn ordinary metal into gold is G = 3/2M + 10, where G is the number of gold bars and M is the number of metal bars. If a metal bar weighs twice as much as a gold bar, how many metal bars will yield an equal weight of gold?
The cost of an article (which is composed of raw materials and wages) was 3 times the value of raw materials used. The cost of raw materials increased in the ratio 3 : 7 and wages increased in the ratio 4 : 9. Find the present cost of the article if its original cost was Rs. 18.
If YWVSQ is 25 - 21 - 21 - 19 - 17, Then MKIGS
Consider a square of diagonal length d. Let Another square be formed with d as its side. Find the ratio of the area of the bigger square to that of the smaller square.
The length of the bridge, which a train 100 metres long and travelling at 45 km/hr can cross in 30 seconds, is?
If a randomly selected positive single digit multiple of 3 is multiplied by a randomly selected prime number less than 20, what is the probability T that this product will be a multiple of 45?
1,3,5,7,9,..50 find term of sequnce for this?
A man can row 30 km downstream and 20 km upstream in 4 hours. He can row 45 km downstream and 40 km upstream in 7 hours. Find the speed of man in still water?
The manager of a theater noted that for every 10 admissions tickets sold, the theater sells 3 bags of popcorn at 2.75 $ each, 4 sodas at 1.50 $ each and 2 candy bars at 1.00$ each. To the nearest cent, what is the average (arithmetic mean) amount of these snacks sales per ticket sold?
Find the one which does not belong to that group ?
A cistern which could be filled in 6 hours takes one hour more to be filled owing to a leak in its bottom. If the cistern is full in what time will the leak empty it?
A 1400 m long train crosses a tree in 100 sec, how much time will It take to pass a platform 700 m long?
A university cafeteria offers 6 flavors of pizza - pork,gobi-manjurian,pepperoni, chicken, Hawaiian and vegetarian. If a customer has an option (but not the obligation) to add extra cheese, mushrooms or both to any kind of pizza, how many different pizza varieties are available ?
You are renting an apartment and you need √625 for each side, how many feet are you looking to measure?
Find the HCF of 54, 288, 360
Find the odd man out. 187, 264, 386, 473, 682, 781
3 numbers are randomly selected, with replacement, from the set of integers {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. If the first number selected is w, the second number selected is x, and the third number is y, what is the probability that w < x < y ?
Which of the following is(are) true for a@b=b@a? I. a@b=ab+a II. a@b=(a+b)(a-b) III. a@b=(a/b)+(b/a)
In the new budget the price of milk rose by 10%. By how much percent must a person reduce his consumption so that his expenditure on it does not increase?
xy+yx=46xy+yx=46 Find x & y values ?
What will be the least number which when doubled will be exactly divisible by 12, 18, 21 and 30?
a,b,c,d,e sitting in a row what is the probability that a & b sitting adjacent.
Solve the equation 2 – x = 2b – 2ax, where a and b are real parameters. Find for which values of a the equation has for solution a natural number, if b = 7
A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is?
A can do a piece of work in 12 days. When he had worked for 2 days B joins him. If the complete work was finished in 8 days. In how many days B alone can finish the work?
Which of the following is the sum of all the even numbers between 3 and 99, inclusive?
If Tim had lunch at $50.20 and he gave 20% tip, how much did he spend?
Before 5 years, dog A’s age was 4 times of dog B’s age and after 4 years, dog A’s age will be 3 times of dog B’s age. What is the difference of dog A’s age and dog B’s now?
when x is diveded by 299 remainder is 100. then when x is divided by 23 remainder is ?
Edward has $732,391 dollars in his savings account. What is the least amount of money (in whole number of dollars) that he must add from his account if he wants to split this money evenly among his nine children?
In a group of 28 junior high school students, 7 take French, 10 take Spanish, and 4 take both languages. The students taking both French and Spanish are not counted with the 7 taking French or the 10 taking Spanish. How many students are not taking either French or Spanish?
What will be the reminder when (43^43+43) is divided by 44?
An article is bought for Rs.680 and sold for Rs.900, find the gain percent?
A box contains eight bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that exactly two bulbs are good?
Skier Lindsey Vonn completes a straight 300-meter downhill run in t seconds and at an average speed of (x + 10) meters per second. She then rides a chairlift back up the mountain the same distance at an average speed of (x - 8) meters per second. If the ride up the mountain took 135 seconds longer than her run down the...
At a certain supplier, a machine of type A costs $23,000 and a machine of type B costs $50,000. Each machine can be purchased by making a 20 percent down payment and repaying the remainder of the cost and the finance charges over a period of time. If the finance charges are equal to 40 percent of the remainder of the c...
If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.

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