SSC CGL 2020 PYQ — Question 70

SSC CGL Tier II - Quant - 18 Nov 2020 • Quantitative Aptitude • Q70

Find the least number which when divided by 12, 18, 24 and 30 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

Show answer & explanation

Correct answer: B

Explanation

The correct answer is option 2 i.e. 364

According to the question,

Least number must be = LCM (12, 18, 24, 30)k + 4.

=360k + 4

At k = 1

360 + 4 = 364.

364 is also a multiple of 7.

No condition violates.