EASY
6th Foundation
IMPORTANT
Earn 100

  1. The H.C.F of two co-prime numbers is P.
  2. Two natural numbers which have no common factor except 1 are called Q numbers.
  3. If a number is divisible by 9, then sum of its digits must be divisible by R.

33.33% studentsanswered this correctly

Important Questions on Playing with Numbers

EASY
6th Foundation
IMPORTANT
Find the value of a+b+c, if 373a is divisible by 9, 473b is divisible by 11and 371c is divisible by 6.
EASY
6th Foundation
IMPORTANT
Match the following.
  Column I   Column II
(i) 49 (p) Multiple of 3
(ii) 25 (q) Multiple of 4
(iii) 16 (r) Multiple of 7
(iv) 39 (s) Multiple of 5