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  • 1 . Find a number such that the difference between nine times the number and four times the number is 55.

  • 2 . A person was fined for exceeding the speed limit by 10 mph. Another person was also fined for exceeding the same speed limit by twice the same. If the second person was travelling at a speed of 35 mph, find the speed limit.

  • 3 . A cyclist travels to reach a post at a speed of 15 km/hr and returns at the rate of 10km/hr. What is the average speed of the cyclist?

  • 4 . A software engineer has the capability of thinking 100 lines of code in five minutes and can type 100 lines of code in 10 minutes. He takes a break for five minutes after every ten minutes. How many lines of codes will he complete typing after an hour?

  • 5 . Two pipes A & B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened simultaneously, the time after which B should be closed so that tank is filled in 18 minutes would be?

  • 6 . A can copy 50 papers in 10 hours while both A & B can copy 70 papers in 10 hours. Then for how many hours required for B to copy 26 papers?

  • 7 . A person is standing on a railway bridge 70m. Long. He finds that a train crosses the bridge in 6 secs. but himself in 4 secs. Find the length of the train and its speed in km/hr.

  • 8 . A two digit number is less than 3 times the product of its digits by 8 and the digit in the ten?s place exceeds the digit in the unit?s place by ?2?.Find the number.

  • 9 . The average of 6 numbers is 8. What is the 7th number, so that the average becomes 10?

  • 10 . If the operation,^ is defined by the equation x ^ y = 2x + y,what is the value of a in 2 ^ a = a ^ 3

  • 11 . A student divided a number by 2/3 when he required to multiply by 3/2. Calculate the percentage of error in his result.

  • 12 . The average of 8 numbers is 21. Find the average of new set of numbers when 8 multiplies every number.

  • 13 . If a light flashes every 6 seconds, how many times will it flash in ? of an hour?

  • 14 . If x/y=4 and y is not '0' what % of x is 2x-y

  • 15 . A coffee shop blends 2 kinds of coffee,putting in 2 parts of a 33p. a gm. grade to 1 part of a 24p. a gm.If the mixture is changed to 1 part of the 33p. a gm. to 2 parts of the less expensive grade,how much will the shop save in blending 100 gms.

  • 16 . What number should be added to or subtracted from each term of the ratio 17 : 24 so that it becomes equal to 1 : 2.

  • 17 . Find the sum up to 30 terms of the A.P. 2 + 9 + 16 + 23 + ....

  • 18 . Fathers age is 5 times his son's age. 4 years back the father was 9 times older than son.Find the fathers' present age.

  • 19 . A decorator bought a bolt of d m number of red chips in any one stack?

  • 20 . There are two trees in a lawn. One grows at a rate 3/5 of the other in 4 years. If the total growth of trees is 8 ft. What is the height of the smaller tree after 2 years