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What is the units digit of 2222^(333)*3333^(222)?
The difference between the costs of two brands is 20 Rs. Ten years ago, the costlier one was thrice as costly as the cheaper one. The present price of the costlier brand is
Water consists of hydrogen and oxygen, and the approximate ratio, by mass, of hydrogen to oxygen is 2:16. Approximately how many grams of oxygen are there in 90 grams of water?
How many three letter words are formed using the letters of the word TIME?
How many different four letter words can be formed (the words need not be meaningful) using the letters of the word MEDITERRANEAN such that the first letter is E and the last letter is R?
Sachin's age after 15 years will be 5 times his age 5 years back. Find out the present age of Sachin?
Find the quotient: 0.0204 / 17
A fair coin is tossed 5 times. What is the probability of getting at least three heads on consecutive tosses? .
If the operation Ø is defined for all positive integers x and w by x Ø w = (2^x)/(2^w) then (4 Ø 2) Ø 3 = ?
A person saved $10 in buying an item on sale. If he spent $600 for the item, approximately how much percent he saved in the transaction?
A right angled cone has its height 'h'. The cone is being cut parallel to its base at h/5 distance from its vertex. What will be the ratio of the cone and the cutting portion
6 x 0.6 x 0.06 x 0.006 x 60 = ?
A shopkeeper sells some articles at the profit of 25% on the original price. What is the exact amount of profit? To find the answer, which of the following information given in Statements I and II is/are necessary? I. Sale price of the article II. Number of articles sold
If the average (arithmetic mean) of a and b is 110, and the average of b and c is 160, what is the value of a − c?
If the total distance of a journey is 120 km .If one goes by 60 kmph and comes back at 40kmph what is the average speed during the journey?
Raj invested an amount of Rs.17400 for two years. Find the rate of compound interest that will fetch him an amount of Rs.1783.50 at the end of two years?
For any integer k greater than 1, the symbol k* denotes the product of all integers between 1 and k, inclusive. If k* is a multiple of 315 what is the least possible value of k?
A sum of Rs. 12500 amounts to Rs. 15000 in 4 years at the rate of simple interest. What is the rate of interest?
In how many ways can 9 people, A, B, C, D, E, F, G, H, I be seated in a row such that C and D are not seated next to each other as well as A and B are not seated next to each other?
A 270 m long train running at the speed of 120 km/hr crosses another train running in opposite direction at the speed of 80 km/hr in 9 sec. What is the length of the other train?
A pharmaceutical company received $3 million in royalties on the first $25 million in sales of and then $9 million in royalties on the next $130 million in sales. By approximately what percentage did the ratio of royalties to sales decrease from the first $25 million in sales to the next $130 million in sales?
A windmill is taking advantage of strong air currents in order to produce electrical energy. On a typical day the wind speed is around 20 mph and in that speed the windmill produces 300 kw/h (kilowatts per hour). On a stormy day a windmill produces 20% more energy. How much kw/h can three windmills produce in two hours...
A man is 24 years older than his son. In two years, his age will be twice the age of his son. The present age of his son is
In how many ways can 5 boysand 2 girls be arranged at a table if 2 girls are never together?
A CAN FINISH A WORK IN 12 DAYS AND B CAN DO THE SAME WORK IN15 DAYS. B WORKED FOR 10 DAYS AND LEFT THE JOB. IN HOW MANY DAYS, A ALONE CAN FINISH THE REMAINING WORK?
On a sum of money, simple interest for 2 years is Rs 660 and compound interest is Rs 696.30, the rate of interest being the same in both cases.
In a group of 800 people, 1/5 play at least one instrument, 64 play two or more. What is the probability that one student play exactly one instrument?
Dhoni can read m pages in 2 minutes. At this rate, how long will it take him to read n pages?
If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?
How many different pairs of positive integers (a, b) satisfy the equation 1/a+1/b=32/51 ?
How many positive integers W between 200 and 300 (both inclusive) are not divisible by 2, 3 or 5?
If x is negative, which of the following must be positive ? I. x^2 II. (-1) x III. 1/x
The mean of 50 observations was 36. It was found later that an observation 47 was wrongly taken as 23. The corrected new mean is
The ratio of red boxes to blue boxes in a certain warehouse is 10 to 25. If the number of the red boxes were doubled and the number of blue boxes were increased by 150 the ratio would be halved. How many total boxes are in the warehouse?
A train speeds past a pole in 15 seconds and a platform 100 m long in 25 seconds. Its length is?
A train 900 m long is running at a speed of 78 km/hr. If it crosses a tunnel in 1 min, then the length of the tunnel is?
Solution X is 10 percent alcohol by volume, and solution Y is 30 percent alcohol by volume. How many milliliters of solution Y must be added to 100 milliliters of solution X to create a solution that is 25 percent alcohol by volume?
There is a sequence A(n) such that A(n+1)=2A(n)-1 and A(1)=3, where n is a positive integer. What is the value of A(34)-A(33)?
Tom and Linda stand at point A. Linda begins to walk in a straight line away from Tom at a constant rate of 4 miles per hour. One hour later, Tom begins to jog in a straight line in the exact opposite direction at a constant rate of 9 miles per hour. If both Tom and Linda travel indefinitely, what is the positive diffe...
If x < 12, then it must be true that...
Find the slope of the line perpendicular to the line y = (1/3)x - 7
A train passes a man standing on the platform. If the train is 240 meters long and its speed is 72 kmph, how much time it took in doing so?
A’s speed is 21/19 times that of B. If A and B run a race, what part of the length of the race should A give B as a head start, so that the race ends in a dead heat?
Find the area of the quadrilateral of one of its diagonals is 28 cm and its off sets 9 cm and 6 cm?
In how many different ways can the letters of the word 'PROFILE' be arranged in such a way that the vowels occupy only the odd positions ?
The probability that A speaks truth is 4/5 and that of B speaking truth is 4/7. What is the probability that they agree in stating the same fact?
Ragav took a bus from home to market, that travels at 40 kmph. While walking back at 4 kmph, halfway through, he suddenly realized he was getting late and he cycled back the remaining distance in 30 kmph. Find the average speed.
The cricket team of 11members is 27yrs old & the wicket keeper is 3 yrs older. If the ages ofthese 2are excluded, the average age of theremaining players is 1 year less than the average age of the whole team. What is the average age of the team ?
The largest 4 digit number exactly divisible by 88 is:
Ravi invested certain amount for two rates of simple interests at 6% p.a. and 7% p.a. What is the ratio of Ravi's investments if the interests from those investments are equal?
\|x+3\| – \|2-x\| = \|8+x\| How many solutions will this equation have?
Which natural number is nearest to 8485, which is completely divisible by 75 ?
For a race a distance of 224 meters can be covered by P in 28 seconds and Q in 32 seconds. By what distance does P defeat Q eventually?
A and B entered into a partnership investing Rs.25000 and Rs.30000 respectively. After 4 months C also joined the business with an investment of Rs.35000. What is the share of C in an annual profit of Rs.47000?
The average of 1st 3 of 4 numbers is 6 and of the last 3 are 3. If the sum of the first and the last number is 13. What is the last numbers?
How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 1 m x 2 m x 20 cm?
A garrison of 2000 men has provisions for 65 days. At the end of 15 days, a reinforcement arrives, and it is now found that the provisions will last only for 20 days more. What is the reinforcement?
If -3x+5y=48 and 3x-2y=6, what is the product of x and y?
A train passes a man standing on the platform. If the train is 170 meters long and its speed is 72 kmph, how much time it took in doing so?
There are 10 women and 3 men in Room A. One person is picked at random from Room A and moved to room B, where there are already 3 women and 5 men. If a single person is then to be picked from room B, what is the probability that a woman will be picked?
If 20 lines are drawn in a plane such that no two of them are parallel and no three are concurrent, then in how many points do they intersect?
How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
In a friendship gang Angel has 3 gang, in how many ways can he invite one or more of the gang to his house?
Solution X is 10% chemical A and 90% chemical B by volume. Solution Y is 20% chemical A and 80% chemical B by volume. If a mixture of X and Y is 12% chemical A, what percent of the mixture is Solution X?
If xy is an integer, which of the following must also be an integer? I. x/y II. y/x III. y
What will come in place of question mark in the following equation ? 54.(?)3 + 543 + 5.43 = 603.26
sonam has 19 penciles,sania has 29 penciles. Totally how many penciles they have in all?
Arun obtained 76, 65, 82, 67 and 85 marks (out in 100) in English, Mathematics, Chemistry, Biology and Physics. What is his average mark?
The area of a square is equal to three times the area of a rectangle of dimensions 3 cm * 9 cm. What is the perimeter of the square?
How many seconds will a 500 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?
In one NIckel cromium alloy there is 12% chromium while in another alloy it is 8%. 15 kg of the first alloy was melted together with 35 kg of the second one to form a third alloy. Find the percentage of chromium in the new alloy.
(128 ÷ 6.969) - 13% of 1284 = ?
A contractor undertook to do a piece of work in 15 days. He employed certain number of laboures but 5 of them were absent from the very first day and the rest could finish the work in only 20 days. Find the number of men originally employed ?
A bag contains 6 green and 8 white balls. If two balls are drawn simultaneously, the probability that both are of the same colour is
Pat's watch gains an extra 6 seconds every 4 hours. Kim's watch loses 5 seconds every 3 hours. If both watches are set to correct time at 8 o'clock in the morning and run without interruption, after 84 hours, what will be the difference in time between Pat's watch and Kim's watch?
In how many different number of ways 4 boys and 3 girls can sit on a bench such that girls always sit together.
Susan, John, Daisy, Tim, Matt,Lily and Kim need to be seated in 7 identical chairs in straight line so that Susan is seated always left to Tim. How many such arrangements are possible ?
Insert the missing number. 8, 7, 11, 12, 14, 17, 17, 22, 27 (....)
A furniture dealer purchased a desk for $100 and then set the selling price equal to the purchase price plus a markup that was 40% of the selling price. If the dealer sold the desk at the selling price, what was the amount of the dealer's gross profit from the purchase and the sale of the desk?
A man can row 6 kmph in still water. When the river is running at 1.2 kmph, it takes him 1 hour to row to a place and black. What is the total distance traveled by the man?
In a fuel station the service costs $2.30 per vehicle and every liter of fuel costs $0.70. Assuming that you fill up 4 mini-vans and 2 trucks, what will be the total cost, if a mini-van's tank is 65 liters and a truck's tank is 120% bigger and they are all empty?
How many pieces of 0.63 meteres can be cut from a rod 32.5 meteres long
A, B and C can do a piece of work in 7 days, 14 days and 28 days respectively. How long will they taken, if all the three work together?
Meera purchased two three items from a shop. Shop keeper says for one wallet : Rs.250/- and Shoe : 1250/- Meera give Rs. 2000/- to shop keeper. He paid balance Rs. 750/- to meera. How much she got?
If the average of 5 positive integers is 60 and the difference between the largest and the smallest of these 5 numbers is 10, what is the maximum value possible for the largest of these 5 integers?
Ages of two brothers differ by 14 years. If 12 years ago, the elder one was 3 times as old the younger one, find their present age
The measure of the side of a square is multiplied by 7. If x represents the perimeter of the original square, what is the value of the new perimeter?
The average age of applicants for a new job is 31, with a standard deviation of 6. The hiring manager is only willing to accept applications whose age is within one standard deviation of the average age. What is the maximum number of different ages of the applicants?
When positive integer n is divided by 2, the remainder is 1. When n is divided by 7, the remainder is 5. What is the smallest positive integer p, such that (n + p) is a multiple of 10?
Find the common factors of 15 and 18.
The average of 10 numbers is 40.2. Later it is found that two numbers have been wrongly copied. The first is 14 greater than the actual number and the second number added is 13 instead of 31. Find the correct average.
A telephone number contains 10 digit, including a 3-digit area code. Bob remembers the area code and the next 5 digits of the number. He also remembers that the remaining digits are not 1 or 7. If Bob tries to find the number by guessing the remaining digits at random, the probability that he will be able to find the c...
In a certain accounting class of 100 students, 70% of the students took the final exam on the assigned day while the rest of the students took the exam on a make-up date. If the students on the assigned day had an average score of 65%, and the students on the make-up date had an average score of 95%, what was the avera...
(x +1 )(2x - 2)(3x + 3) = ax3+bx2+cx+dax3+bx2+cx+d What are the values of a, b, c and d?
The side of a square is increased by 25% then how much % does its area increases?
Before being simplified, the instructions for computing income tax in Country R were to add 2 percent of one's annual income to the average (arithmetic mean) of 100 units of Country R's currency and 1 percent of one's annual income. Which of the following represents the simplified formula for computing the income tax, ...
Running 3/4th of his usual rate, a man is 14min late. Find his usual time in hours ?
If the average (arithmetic mean) of the four numbers 3, 25, 52, and (N + 1) is 50, then N =
If log 27 = 1.431, then the value of log 9 is
Set S = {1, 2, 3, 4, 5, 6, 7, x} If x is an integer, which of the following could be the median of Set S?

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