If a:b = 5:7 and b:c = 3:4, then a:b:c = ?
Show answer & explanation
Correct answer: A
Explanation
Given:
a : b = 5 : 7
b : c = 3 : 4
First ratio × 3
a : b = 15 : 21
Second ratio × 7
b : c = 21 : 28
a : b : c = 15 : 21 : 28
SSC CHSL 2025 PYQ — Question 52
SSC CHSL - 24 Nov 2025 - Shift 2 • Quantitative Aptitude • Q52