Practice free →
Home › Find x in: x : 5 :: 12 : 30

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_
Solve this in the app — Practice practice & 24k+ MCQs →
Related questions
If 3 pens cost ₹45, then 7 pens cost:Ratio 2 : 5 means: if first is 18, second equals:If P : Q = 5 : 7 and Q : R = 8 : 9, then P : R =If a:b = 2:3 and b:c = 4:5, then a:c equals:Pradeep invested 20% more than Mohit. Mohit invested 10% less than Raghu. Total = Rs.17880