In a 1.5 kg mixture of sand and iron, 30% is iron. How mu...

Free Practice Question

PS · Problem Solving

505-555

Mixture

In a 1.5 kg mixture of sand and iron, 30% is iron. How much sand needs to be added so that the proportion of iron becomes 15%?

Sign in to reveal the correct answer

A

150gms

B

300gms

C

450gms

D

1.5kg

E

2.5kg

Sign in for free to check your answer and unlock the full explanation.

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.