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What is the next number in the sequence : 13,17,25,32,37,47,58,71__?
Simplify: (4 – 6) – (12+17+3)-(3+5)
An error 2% in excess is made while measuring the side ofa square. The % of error in the calculated area of the square is?
Country C imposes a two-tiered tax on imported cars: the first tier imposes a tax of 16% of the car's price up to a certain price level. If the car's price is higher than the first tier's level, the tax on the portion of the price that exceeds this value is 8%. If Ron imported a $14,000 imported car and ended up paying...
If (x+3)^2/(3x+29)=2, then the difference between the two possible values of x is:
What time will be taken by an amount of Rs. 900 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
A rectangular table seats 6 people on each of two sides, with every person directly facing another person across the table. If 12 people choose their seats at random, what is probability that person P directly faces person Q?
If |x - 5| = 23 what is the sum of all the values of x.
n is an integer chosen at random from the set {5, 7, 9, 11 } p is chosen at random from the set {2, 6, 10, 14, 18} What is the probability that n + p = 7 ?
The letters of the word 'SERITI' are written in all possible orders and these words are written in alphabetical order. Then what is the rank of the word 'SERITI'
A box contains 3 blue marbles, 4 red, 6 green marbles and 2 yellow marbles. If two marbles are picked at random, what is the probability that they are either blue or yellow?
What is the smallest number which, when increased by 9, is divisible by 8, 11, and 24?
Dora walked 3 kilometers. She walked first 1.5 kilometers in 20 meter per sec and the rest 1.5 kilometers in 60 meter per sec. what is the average speed?
There is a train and car. The ratio between the speed of a train & a car is 24:19 respectively. Also, a bus covered a distance of 320 km in 5 hours. The speed of the bus is 2/3rd of the speed of the train. How many kilometers will the car cover in 4 hours?
What is the probability that Jamie and Tom will get selected for a job they both applied for in a company, given that their chances of getting selected is 2/3 and 5/7 respectively?
What is the are of an equilateral triangle of side 16 cm?
The edge of three cubes of metal is 3 dm, 4 dm and 5 dm. They are melted and formed into a single cube. Find the edge of the new cube?
An engine moves at the speed of 30 kmph without any coaches attached to it.Speed of the train reduces at the rate that varies directly as the square root of the number of coaches attached.When 9 coaches are attached speed decreases to 18 kmph. What will be the speed of train when 16 coaches are attached.
A husband and wife can complete a certain task in 1 and 2 hours respectively. Their children, Rae and Herman, can complete the same task in 4 and 5 hours, respectively. What is the ratio of the couple's time working together to complete the task to the children's time working together to complete the task?
Rs.2500 is divided into two parts such that if one part be put out at 5% simple interest and the other at 6%, the yearly annual income may be Rs.140. How much was lent at 5%?
Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 kmph. Another train starts from B at 8 a.m. and travels towards A at speed of 25 kmph. At what time will they meet?
When positive integer A is divided by positive integer B, the result is 5.15. Which of the following could be the reminder when A is divided by B?
In how many ways 8 different tickets W can be distributed between Jane and Bill if each is to receive any even number of tickets and all 8 tickets to be distributed.
How many pieces of 0.35 meteres can be cut from a rod 12.5 meteres long
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. The ratio of their speeds is:
If 35 + 125 = 17.88, then what will be the value of 80 + 65 ?
A rectangular plot measuring 90 metres by 50 metres is to be enclosed by wire fencing. If the poles of the fence are kept 5 metres apart, how many poles will be needed?
If abc ≠2 and the sum of the reciprocals of a, b, and c equals the reciprocal of the product of a, b, and c, then a =
If (5^7)(9^4)=3(15^x), what is the value of x?
How many words, with or without meaning, can be formed using all letters of the word EQUATION using each letter exactly once?
325 metres long yard, 26 trees are palnted at equal distances, one tree being at each end of the yard. What is the distance between 2consecutive trees
A boy runs 200 metres in 24 seconds. What is his speed ?
What is the sum R of all 3 digit numbers that leave a remainder of '2' when divided by 3?
David walks to a viewpoint and returns to the starting point by his car and thus takes a total time of 2 hours 20 minutes. He would have gained 1 hour by driving both ways. How long would it have taken for him to walk both ways.
A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is
Arnold and Danny are two twin brothers that are celebrating their birthday. The product of their ages today is smaller by 17 from the product of their ages a year from today. What is their age today?
If anitha rows 65 km upstream and 105 km down steam taking 13 hours each, then the speed of the stream
Of the 20 participants in a certain competition, half are male, and half of the males are younger than 18 years of age. If half of the female competitors are also younger than 18 years of age, into how many distinct groups of 4 competitors could the participants be divided if each group must contain two males under 18 ...
A cycle is bought for Rs.930 and sold for Rs.1210, find the gain percent?
A shopkeeper sells his goods at cost price but uses a faulty meter that weighs 900 grams. Find the profit percent.
How many leading zeros (zeros after the decimal point but before the first nonzero digit of a number) are in 1/5!?
0.35 represents what percent of 0.05?
70 is what percent of 125?
If 13 = 13w/(1-w) ,then (5w)2 =
John, Vikram and Keerthana started a Pizza shop with capitals of Rs. 2000, Rs. 10000 and Rs. 12000 respectively. At the end of the year, the profit share of John is Rs. 500. The difference between the profit shares of Vikram and Keerthana is?
Evaluate: 6202.5 + 620.25 + 62.025 + 6.2025 + 0.62025
A and B finish the job in 15 days.while A,B and C can finish it in 6 days . C alone will finish the job in
If taxi fares were $1.00 for the first 1/5 mile and $0.25 for each 1/5 mile there after, then the taxi fare for a 3-mile ride was
John deposited $10,000 to open a new savings account that earned 4 percent annual interest, compounded quarterly. If there were no other transactions in the account, what was the amount of money in John’s account 6 months after the account was opened?
How many 4 digit numbers are there, if it is known that the first digit is odd, the second is odd, the third is prime, the fourth (units digit) is divisible by 3, and the digit 1 can be used only once?
Anil bought a T.V with 20% discount on the labeled price . Had he bought it with 25% discount, he would have saved Rs. 500. At what price did he buy the T.V?
I remember during the school days , the teacher asked the class "can you tell me the sum of the first 50 odd numbers ?". I ran quickly to the teacher and told her "the answer is 2500". The teacher replied "lucky guess". She then asked me "can you tell me the sum of first 75 odd numbers ?". I wait for approx 10 seconds ...
A train of length 250 m crosses a bridge of length 180m in 20 seconds. What is the speed of train?
On dividing 265 by a number, the quotient is 12 and the remainder is 1. Find the divisor.
The average runs scored by a batsman in 20 matches is 40. In the next 10 matches the batsman scored an average of 13 runs. Find his average in all the 30 matches?
if an article with marked price of rs.400 is sold at successive discount of 10%,25% and 15%,what is the price the customer has to pay?
The ratio of the present ages of Ram and Rahim is 3 : 2. The ratio of the present ages of Rahim and Aman is 5 : 2. What is the ratio of the present ages of Ram and Aman?
In a class of 25 students in an examination in maths 3 students scored 95 marks each, 3 get zero each and the average of the rest was 45. What is the average of the whole class?
The difference between the compound interest compounded annually and simple interest for 2 years at 20% per annum is Rs.432. Find the principal?
Three (rather lazy) men A, B and C working together can do a work in 5 days. They start the work together and A works for 1 day and takes rest on the second day, B works for 2 days and takes rest on the next two days and C works for 2 days and takes rest on the next three days. In how many days will the work be complet...
Shipment --- No. of Defective Chips/shipment --- Total Chips in shipment S1 ---------------------- 2 ------------------------------------------ 5,000 S2 ---------------------- 5 ------------------- ---------------------- 12,000 S3 ---------------------- 6 ------------------------------------------ 18,000 S4 -----------...
At 3:40, the hour hand and the minute hand of a clock form an angle of
A factory produces x widgets per day. The factory's fixed costs are $8000 per day. The price per widget is $80 and the variable costs are $30 per widget. How many widgets need to be produced for profits of $5440 a day?
If a - b = 10 and a2 + b2 = 210, find the value of ab.
A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 1.5 km long?
The length of a rectangular landscape is 4times its breadth. There is a playground in it whose area is 1200 square mtr & which is 1/3rd of the total landscape. What is the length of the landscape?
A pack of “Jameson's” cigarettes contains 20 cigarettes, of which 2 to 5 cigarettes (randomly) are defective. What are the greatest possible chances of picking a non-defective cigarette?
The divisor is 25 times the quotient and 5 times the remainder, if the quotient is 16, the dividend is
A company, Chauncy Co., has an annual travel budget of $56,000. The accounting department estimates that transportation expenses will increase 5 percent in the coming year, and nontransportation travel expenses will increase by 15 percent in the coming year. Last year, Chauncy Co. spent $19,500 on transportation-relate...
For how many integer values of n will the value of the expression 4n + 7 be an integer greater than 1 and less than 200?
Is triangle ABC obtuse angled? 1.a2 + b2 > c2. 2.The center of the circle circumscribing the triangle does not lie inside the triangle.
23, 27, 36, 52,...
What is the rate percent when the simple interest on Rs.1600 amount to Rs.200 in 4 Years?
The length of the bridge, which a train 130 metres long and travelling at 54 km/hr can cross in 30 seconds, is:
If S is the sum of the reciprocals of the consecutive integers from 91 to 100, inclusive, which of the following is less than S? I. 1/8 II. 1/10 III. 1/9
January 1, 2008 is Saturday. What day of the week lies on Jan 1, 2009?
Factor (x + 4)3 - 9x - 36 =
How many kilograms of sugar costing Rs. 9 per kg must be mixed with 27 kg of sugar costing Rs. 7 per Kg so that there may be a gain of 10 % by selling the mixture at Rs. 9.24 per Kg ?
In a throw of a coin find the probability of getting a tail?
How many positive integers less than 160 are there such that they are multiples of 13 or multiples of 12 but not both?
The area of a circle is increased by 800%. By what percent has the diameter of the circle increased?
A cycle is bought for Rs.900 and sold for Rs.1080, find the gain percent?
A certain list consists of 21 different numbers. If n is in the list and n is 6 times the average (arithmetic mean) of the other 20 numbers in the list, then n is what fraction of the sum of the 21 numbers in the list?
In a competitive examination batch A 7% candidates got selected from the total appeared candidates. Batch B also had an equal number of candidates appeared and 10% candidates got selected with 15 more candidates got selected than batch A. what was the number of candidates appeared from each batch?
One hundred gallons of fuel are purchased at $0.70 per gallon. The fuel is consumed at a rate of $0.40 worth of fuel per hour. At this rate, how many hours are required to consume the 100 gallons of fuel?
The average of 6 no.'s is 3.95. The average of 2of them is 3.4, while the average of theother 2 is 3.85. What is the average of the remaining 2 no's?
A man rows his boat 80 km downstream and 45 km upstream, taking 2 1/2 hours each time. Find the speed of the stream?
20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ?
The average age of a husband and his wife was 23 years at the time of their marriage.After five years they have a one year old child.The average age of the family now is
A man traveled a total distance of 1800 km. He traveled one-third of the whole trip by plane and the distance traveled by train is one-half of the distance traveled by bus. If he traveled by train, plane and bus, how many kilometers did he travel by bus?
The ages of two friends is in the ratio of 6:5.If the sum of their ages is 66. Then after how many years will the ratio become 7:6?
For integers U and V, when U is divided by V, the remainder is Zero. Which of the following must be true?
Two alloys A and B are composed of two basic elements. The ratios of the compositions of the two basic elements in the two alloys are 5 : 3 and 5 : 1, respectively. A new alloy X is formed by mixing the two alloys A and B in the ratio 4 : 3. What is the ratio of the composition of the two basic elements in alloy X ?
In a certain experiment, the data collected is the number of organisms per sample, and this data follows a normal distribution. If the sample of data has a mean of 60 and a standard deviation of 10, which of the following is exactly 1.75 standard deviations more than the mean?
The number of female students in a college in the previous year was 450. If in the current year the number of male students in the college doubled over that of the previous year but the proportion of male students halved, then what is the number of female students in the college in the current year?
If a man crosses a 500 m long street in 5 minutes. What is his speed?
A train is 360 meter long is running at a speed of 60 km/hour. In what time will it pass a bridge of 140 meter length?
How many three digit numbers can be formed in which if one digit is 3 then it must be follwed by 7 and repetetion of digits is not allowed
a person travels from his house to office from 11:10 am to 12:10 am and covers a distence of 1km. find the average speed of the person.
A man purchases two watches at 560. He sells one at 15% profit and other at 10% loss. Then he neither gains nor lose. Find the cost price of each watch.