A is 20% less than B and C is 30% more than D. If D is 25% less than A, then which of the following is true?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer is option 3 i.e. C = 0.78 B
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Understanding |
Application |
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Given A is 20% less than B and C is 30% more than D. If D is 25% less than A Hence, A = 0.8B ⇒ A/B = 4/5 C = 1.3D ⇒ C/D =13/10 D = 0.75A ⇒ D/A = 3/4 |
C = D × 13/10 C = A × 13/10 × 3/4 C = B × 4/5 × 13/10 × 3/4 C = B × 13/10 × 3/5 C = B × 39/50 C = 0.78 B
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