1.
The sum of two numbers is 528 and their HCF is 33. The number of pairs of numbers satisfying the above conditions is = ?

2.
The HCF and LCM of two numbers are 12 and 336 respectively. If one of the numbers is 84, the other is = ?

3.
A number which when divided by 10 leaves a remainder of 9, when divided by 9 leaves a remainder of 8, and when divided by 8 leaves a remainder of 7, is = ?

4.
The HCF and LCM of two 2-digit number are 16 and 480 respectively. The numbers are ?

5.
The number nearest to 10000, which is exactly divisible by each of 3, 4, 5, 6, 7 and 8 is = ?

6.
The LCM and ratio of four numbers are 630 and 2 : 3 : 5 : 7 respectively. The difference between the greatest and least numbers is = ?

7.
If HCF of p and q is x and q = xy, then the LCM of p and q is = ?

8.
The largest 4-digit number exactly divisible by each of 12, 15, 18 and 27 is?

9.
The LCM of two numbers is 20 times their HCF. The sum of HCF ans LCM is 2520. If one of the number 480, the other number is = ?

10.
What is the least number which when divided by the number 3, 5, 6, 8, 10 and 12 leaves in each case a remainder 2 but when divided by 22 leaves no remainder ?

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