CISF General Arithmetic Paper for practice

Free
CISF General Arithmetic Paper set 2
  Time left =

1

The sum of the first 8 terms of a geometric progression is 6560 and the common ratio is 3.  The first term is 


2

How many even three-digit numbers can be formed from the digits 1, 2, 5, 6 and 9 without repeating any of the digits ?


3

 A and B, working separately, can do a piece of work in 10 and 15 days respectively.  If they work on alternate days beginning with A, then in how many days will the work be completed?


4

Two pipes can fill a tank separately in 20 minutes and 30 minutes respectively.  If both the pipes are opened simultaneously, then the tank will be filled in 


5

  A can complete a work in 6 days while B can complete the same work in 12 days.  If they work together and complete it, then the portion of the work done by A is 


6

If the radius of a cylinder is decreased by 50% and the height is increased by 50% to form a new cylinder, then the volume will be decreased by 


7

The circum-radius of an equilateral triangle is 8 cm. The in-radius of the triangle is   


8

The missing term in the sequence 0,  3,  8,  15,  24, ?..,  48   


9

  If (1012 + 25)2 ? (1012 ? 25)2 = 10n, then the value of n is 


10

   The sum of first sixty numbers from one to sixty is divisible by 


11

 A discount series of 10%, 20% and 40% is equal to a single discount of 


12

 A sells a scooter priced at Rs. 36,000.   He gives a discount of 8% on the first Rs. 20,000 and 5% on the next Rs. 10,000.  How much discount can he afford on the remaining Rs. 6,000 if he is to get as much s 7% discount on the total ?   


13

The marked price of an electric iron is Rs. 690.  The shopkeeper allows a discount of 10% and gains 8%.  If no discount is allowed, then his gain percent would be 


14

 The ratio of the ages of two boys is 5 : 6.   After two years the ratio will be 7 : 8.  The ratio of their ages after 10 years will be