Question

What is the least number which should be added to 5560 so the sum is exactly divisible by 2, 3, 5 and 7?

• A. 5760
• B. 110
• C. 100
• D. 310

Answer 1

Answer:

B. 110

LCM of (2, 3, 5, 7) = 2 × 3 × 5 × 7 = 210 On Dividing 5560 by 210, it leaves the remainder 100 Require number to be added in 5560 = 210 – 100 = 110 ∴ Number to be required to be added = 110