If the HCF and LCM of two consecutive (positive) even numbers be 2 and 84 respectively, then the sum of the numbers is
1). 30
2). 26
3). 14
4). 34
2. The number of pair of positive integers whose sum is 99 and HCF is 9 is
4. The LCM of two multiples of 12 is 1056. If one of the number is 132, the other number is
5. Three numbers are in the ratio 1:2:3 and their HCF is 12. The numbers are
6. The ratio of two numbers is 4:5 and their L.C.M . is 120. The numbers are
8. The product of two numbers is 216. If the HCF is 6, then their LCM is
9. The least number to be subtracted from 36798 to get a number which is exactly divisible by 78 is