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 :

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1)

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 :

2)

The H.C.F. of 2/3. 8/9. 64/81 and 10/27 is :

3)

The L.C.M. of 22, 54, 108, 135 and 198 is :

4)

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 :

5)

252 can be expressed as a product of primes as ;

6)

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

7)

Which of the following has most number of divisors ?

8)

Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two a 1073. The sum of the three numbers is :

9)

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 :

10)

H.C.F. of 4 x 27 x 3125, 8 x y x 25 x 7 & 16 x 81 x 5 x 11 x 49 is :

11)

The product of the L.C.M. and H.C.E of two numbers is 24. The difference of two numbers is 2. Find the numhers

12)

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

13)

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

14)

Find the least number which when divided by 16, 18; 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

15)

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

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