Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case Then sum of the digits in N is :

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1)

Let N be the greatest number that will divide 1305, 4665 and 6905, leaving the same remainder in each case Then sum of the digits in N is :

2)

The H.C.F. and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125, then that number is :

3)

The L.C.M. of two numbers is 45 times their H C.K. If one of the numbers is 125 and the sum of H.C.F. and L.C.M. is 1150, the other number is :

4)

The least rubber which is a perfect square and is divisible bv each of the numbers Jo, 20 and 24, is :

5)

Product, of two co-prime numbers is 117. Their L.C.M. should be :

6)

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one or the numbers is 275, then the other is :

7)

The smallest number which when diminished by 7, is divisible by 12. 16, 18, 21 and a is:

8)

Which of the following is a pair of co-primes ?

9)

The H.C.F. of 1.75, 5.6 and 7 is :

10)

Four different electronic devices make a beep after every 30 minutes, 1 hour, 1.5 hour

and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at :

11)

Let the least number of six digits, which when divided by 4, 6, 10 and 15 leaves in each case the same remainder of 2, be N. The sum of the digits in N is :

12)

The H.C.F. of 204, 1190 and 1445 is :

13)

The least number of five digits which is exactly divisible by 12, 15 and 18, is :

14)

The maximum number of students among them 1001 pens and 910 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is :

15)

Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

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