Find x in: x : 5 :: 12 : 30
A2
B3
C4
D5
Answer & Solution
Correct answer: A. 2
1. Proportion: x/5 = 12/30.
2. Cross-multiply: 30x = 60 → x = 2.
3. Verify: 2:5 :: 12:30 → 2 × 30 = 5 × 12 = 60 ✓.
_Source: KMAT Karnataka 2022 PYQ Q.80_
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