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The ratio of 7 seconds to 5 hours
The average of 6 quantities is 8. The average of 4 of them is 5. What is the avg. of the remaining 2 numbers?
A pair of prime numbers that can be expressed in the form R{p, (p + 6)} is defined as a pair of “sexy primes.” A “sexy triplet” is a group of three primes that can be expressed in the form {p, (p + 6), (p + 12)}. All of the following prime numbers are the middle term of a sexy triplet EXCEPT
For 2consecutive yrs, my incomes are in the ratio of 4:7 and expenses in the ratio of 3:5. If my income in the 2nd yr is Rs. 42000 & my expenses in the first yr in Rs.24000, my total savings for the two-year is
The chance of rain on any given day in Tel-Aviv is 50%. What is the probability W that it rained in Tel-Aviv on exactly 4 out of 6 randomly chosen days?
In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 54, the dividend is:
Cheese, bologna, and peanut butter sandwiches were made for a picnic in a ratio of 5 to 7 to 8. If a total of 120 sandwiches were made, how many bologna sandwiches were made?
Two trains, A and B, started simultaneously from opposite ends of a 200-mile route and traveled toward each other on parallel tracks. Train A, traveling at a constant rate, completed the 200-mile trip in 10 hours; Train B, traveling at a constant rate, completed the 200-mile trip in 6 hours. How many miles had train A ...
What should come in place of the question-mark (?) in the following number series? 5690, 5121, 4552, 3983, 3414, 2845, ?
A thief goes away with a SANTRO car at a speed of 45 kmph. The theft has been discovered after half an hour and the owner sets off in a bike at 50 kmph when will the owner over take the thief from the start?
A gambler bought $3,000 worth of chips at a casino in denominations of $20 and $100. That evening, the gambler lost 14 chips, and then cashed in the remainder. If the number of $20 chips lost was 2 more or 2 less than the number of $100 chips lost, what is the largest amount of money that the gambler could have receive...
A bag contains a total of 93 coins in the form of one rupee and 50 paise coins. If the total value of coins in the bag is Rs.56, find the number of 50 paise coins in the bag?
0.35 represents what percent of 0.07?
How must a grocer mix 4 types of peanuts worth 54 c, 72 c, $1.2 and $1.44 per pound so as to obtain a mixture at 96 cents per pound?
Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain tank in 2 hours; pumps A and C, operating simultaneously, can fill the tank in 1 hours; and pumps B and C, operating simultaneously, can fill the tank in 2 hours. How many hours does it take pumps A...
In a class of 87 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
The difference between simple interest and compound interest on Rs.1200 for one year at 10% per annum reckoned half-yearly is :
You collect balls. Suppose you start out with 105. John gives you another 100 balls. How many balls do you have at the end?
Bruno and Sacha are running in the same direction around a stadium. Sacha runs at a constant speed of 6 meters per second, and Bruno runs at a constant speed of 5 meters per second. At a certain point Sacha overtakes Bruno. If three minute afterward, Sacha stops and waits for Bruno to reach him, then how many seconds d...
Current ages of Rahim and Thomas are in the ratio of 5 : 4 correspondingly. 0.7 decades hence, the ratio of their ages will become 11 : 9 correspondingly, What is Thomas’s current age in years?
Which of the following fractions can be written as the difference of reciprocals of two consecutive integers
A train running at the speed of 60 km/hr crosses a pole in 36 seconds. Find the length of the train?
A crow leaves its nest, and flies back and forth from its nest to a nearby ditch to gather worms. The distance between the nest and the ditch is 150 meters. In one and a half hours, the crow manages to bring worms to its nest 15 times. What is the speed of the crow in kilometers per hour?
Pipe A can fill a tank in 6 hours, pipe B in 8 hours, and pipe C in 24 hours. If all the pipes are open, in how many hours will the tank be filled?
To asphalt 1km road, 30 men spent 12 days working 8 hours per day. How many days, 20 men will spend to asphalt a road of 2km working 9 hours a day?
A single discount equal to a discount series of 10% and 20% is
At the college entrance exam, a candidate is admitted according to whether he has passed or failed the test. Of the candidates who are really capable, 80 % pass the test and of the incapable, 25 % pass the test.Given that 40 % of the candidates are really capable, then the proportion of the really capable students who ...
14! is equal to which of the following?
The bus fare for the first mile is $1,5 and then fare for each additional mile costs 35 cents. What is the maximum distance that you can travel by bus if you paid $5 ?
A man walking at a rate of 10km/hr crosses a bridge in 18 minutes. The length of the bridge is?
A coin is tossed 7 times. What is the probability of getting exactly 6 heads?
In certain year in Country C, x sets of twins and y sets of triplets were born. If there were z total babies born in Country C in this year, and x and y were both greater than 0, which of the following represents the fraction E of all babies born who were NOT part of a set of twins or triplets?
In a recent head-to-head run-off election, 10,000 absentee ballets were cast. 2/3 of the absentee ballets were thrown out and 2/5 of the remaining absentee ballets were cast for Candidate A. How many absentee votes did Candidate B receive?
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
If a and n are integers, and a^2 = 24n, then n must be divisible by which of the following?
If 5 persons can do 5 times of a particular work in 5 days, then, 7 persons can do 7 times of that work in ?
Ratio of the ages of Mahesh and Nilesh is 5:x. Mahesh is 18 years younger to Ramesh. After nine years Ramesh will be 47 years old. If the difference between the ages of Mahesh and Nilesh is same as the age of Ramesh, what is the value of x?
Look at this series: 15, 15, 27, 27, 39, 39, 51, 51, 63, 63, ? ... What number should fill the blank?
When N is divided by 10 the remainder is 1 and when N is divided by 3 the remainder is 2. What is the remainder Q when N is divided by 30?
In the list 4, 5, 5, 5, 5, 7, 11, 21, what fraction of the data is less than the mode?
If goods be purchased for Rs.840 and one-fourth be sold at a loss of 20% at what gain percent should the remainder be sold so as to gain 20% on the whole transaction?
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that atleast one bulb is good.
If X and Y are sets of integers, X # Y denotes the set of integers that belong to set X or set Y, but not both. If X consists of 14 integers, Y consists of 18 integers, and 6 of the integers are in both X and Y, then X # Y consists of how many integers?
A walks around a circular field at the rate of one round per hour while B runs around it at the rate of six rounds per hour. They start at same point at 5:30 am. They shall first cross each other at ?
If an amount of Rs 24,705 is divided equally among 61 students, approximately how much amount will each student get?
A cistern can be filled by a tap in 3 hours while it can be emptied by another tap in 8 hours. If both the taps are opened simultaneously, then after how much time will the cistern get filled?
In a cricket team, the average of eleven players is 28 years. Out of these, the average ages of three groups of three players each are 25 years, 28 years and 30 years respectively. If in these groups, the captain and the youngest player are not included, and the captain is eleven years older than the youngest player, w...
A boat can travel with a speed of 15 km/hr in still water. If the speed of the stream is 4 km/hr. find the time taken by the boat to go 68 km downstream?
Two employees X and Y are paid a total of Rs.750 per week by their employer. If X is paid 120 percent of the sum paid to Y, how much is Y paid per week?
Ganesh spends 30% of his monthly salary on food, 5% of the remaining on personal use and saves 80% of the remaining amount. If his monthly salary is Rs.12,000, how much money does he save every month ?
What percent of 75 is 45?
If x and y are integers such that (x+1)^2 is less than or equal to 64 and (y-1)^2 is less than 64, what is the sum of the maximum possible value of xy and the minimum possible value of xy?
A truck owner will refuel his vehicle at a rate of 2 gallons of diesel fuel every 5 seconds. If diesel fuel costs $ 1.25 per gallon, how long will it take for the truck owner to refuel his vehicle with $ 40 worth of diesel fuel?
The owner of a furniture shop charges his customer 10% more than the cost price. If a customer paid Rs. 8800 for a computer table, then what was the cost price of the computer table?
Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ?
Find out the wrong number in the given sequence of numbers. 1, 2, 6, 15, 30
How many terminating zeroes does 200! have?
What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58?
In a house a hall is 20 m long, 15m wide and 5m high. Its interior has to be covered with mat. What will be the total expenditure if it costs Rs. 60 per square m?
A train 125 m long passes a man running at 5 km/hr in the same direction in which the train is going in 10 sec. The speed of the train is?
A train passes a station platform in 50 sec and a man standing on the platform in 20 sec. If the speed of the train is 72 km/hr. What is the length of the platform?
The L.C.M. of two numbers is 30. The numbers are in the ratio 2 : 3. Then sum of the number is:
A certain country is divided into 5 provinces. Each province consists entirely of Progressives and Traditionalists. If each province contains the same number of Traditionalists and the number of Traditionalists in any given province is 1/15 the total number of Progressives in the entire country, what fraction of the co...
A train running at the speed of 36 km/hr crosses a pole in 9 seconds. What is the length of the train?
Mr. John used to purchase certain number of mangoes for $360 Since the price of mangoes is reduced by 10% he got 12 more mangoes today. Find the original price of 125 mangoes.
The radius of a circular wheel is 1.75 m, how many revolutions will it make in traveling 1 km?
A train running at 25 km/hr takes 18 seconds to pass a platform. Next, it takes 12 seconds to pass a man walking at 5 km/hr in the same direction. Find the length of the train.
45 x ? = 10% of 900
Three table runners have a combined area of 208 square inches. By overlapping the runners to cover 80% of a table of area 175 square inches, the area that is covered by exactly two layers of runner is 24 square inches. What is the area of the table that is covered with three layers of runner?
If f is a function defined for all k by f(k) = k^5/16, what is f((6/4)*k) in terms of f(k)?
George's car calls for 8 ounces of oil for each cylinder used. His car's engine has 6 cylinders. If 16 ounces of oil has already been put into the engine used, then how many additional ounces of oil are needed?
The jogging track in a sports complex is 726 m in circumference. Deepak and his wife start from the same point and walk in opposite directions at 4.5 km/hr and 3.75 km/hr respectively. They will meet for the first time in?
In the arithmetic sequence t1, t2, t3, ..., tn, t1=23 and tn= tn-1 - 3 for each n > 1. What is the value of n when tn = -13?
In 1979 approximately 1/3 of the 32.3 million airline passengers traveling to or from the United States used Kennedy Airport. If the number of such passengers that used Miami Airport was 1/2 the number that used Kennedy Airport and 4 times the number that used Logan Airport, approximately how many millions of these pas...
Of the teams competing in the world archery championships, 10 percent are from Europe. Half as many are from the United States and one twentieth are from Africa. What fraction of teams are from neither Europe, the US or Africa.
A batsman in his 12th innings makes a score of 80 and thereby increases his average by 3 runs. What is his average after the 12th innings if he had never been ‘not out’?
Diane sold a book worth $ 850 at a loss of $ 180. Find the selling price of the book.
In a group of 80 people,40 like movie,10 like both movie and series. How many like Series?
X, 1320 , 1070 , -180, -6430
At what rate percent on simple interest will Rs.750 amount to Rs.900 in 5 years?
The average (arithmetic mean) of six numbers is 7. If 3 is subtracted from each of four of the numbers, what is the new average?
A and B are two multiples of 36, and Q is the set of consecutive integers between A and B, inclusive. If Q contains 9 multiples of 9, how many multiples of 4 are there in Q?
Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?
Jim drove 384 miles of a 1200 miles journey. How many more miles does he need to drive to finish his journey?
A big container is 40% full with water. If 14 liters of water is added, the container becomes 3/4 full. What is the capacity of the big container in liters?
P is 30% more efficient than Q. P can complete a work in 23 days. If P and Q work together, how much time will it take to complete the same work?
How many of the following numbers are divisible by 132? 264, 396, 462, 792, 968, 2178, 5184, 6336,528,1320,660,1056
Dimitri weighs 3x-2x pounds more than Allen weighs. Together, Allen and Dimitri weigh a total of y pounds. Which of the following represents Allen’s weight?
The ratio of radius of a circle and the side of a square is 2 : 9. Find the ratio of their areas:
Two trains are approaching each other at 60 mph each. The length of each train is 1/6 miles. When the two locomotives(engines) meet, how many seconds will it take for them to pass each other completely?
The below sequence is a bit tricky. Can you solve it to find the next number? 6, 26, 326, 4326, ?
There are some passengers riding on a bus. At the first stop, half the passengers get off and nobody gets on the bus. This pattern continues as the bus goes to the next stops. If only one passenger gets off at stop number 6, how many passengers were on the bus originally?
If n is an integer greater than 9, which of the following must be divisible by13 ?
The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. Find out the highest score of the player.
What will be the product of (25-1)*(25-2)*(25-3)*..............*(25-39)*(25-40)?
The average of 10 numbers is 23. If each number is increased by 3, what will the new average be?
If h is a positive integer, and if the units' digit of h^2 is 4 and the units' digit of (h + 1)^2 is 1, what is the units' digit of (h + 2)^2 ?
Logx16=0.8 then what is the value of x ?
If n is a three-digit prime number and j is an integer, which of the following is NOT a possible value of k, where k is the smallest positive integer such that n – 5j = k?
A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of cows will be: