Mixture and Alligation — Practice

Question 1

In what ratio must rice at ₹30/kg be mixed with rice at ₹40/kg to obtain a mixture worth ₹34/kg?

Accepted Answer

B

Question 2

A 40-litre mixture has milk and water in the ratio 3:1. The quantity of milk is

Accepted Answer

C

Question 3

60 litres of a mixture contains milk and water in the ratio 2:1. How much water must be added to make the ratio 1:1?

Accepted Answer

B

Question 4

In what ratio must two varieties of pulses costing ₹15/kg and ₹20/kg be mixed to make a mixture worth ₹16.50/kg?

Accepted Answer

B

Question 5

From a vessel containing 40 litres of pure milk, 4 litres is drawn out and replaced with water. This is done twice. The milk now in the vessel is

Accepted Answer

B

Question 6

In what ratio must water be mixed with milk so that selling the mixture at the cost price of the milk gives a 20% gain?

Accepted Answer

B

Question 7

The average weight of the boys in a class is 60 kg and of the girls 50 kg. The class average is 54 kg. The ratio of boys to girls is

Accepted Answer

B

Question 8

A milkman sells milk at cost price but mixes water and thereby gains 25%. The ratio of water to milk in the mixture is

Accepted Answer

A

Question 9

Vessel A has milk and water in ratio 4:1 and vessel B in ratio 3:2. Equal volumes from each are mixed. The milk-to-water ratio in the new mixture is

Accepted Answer

A

Question 10

In what ratio must sugar at ₹7/kg be mixed with sugar at ₹9/kg so that selling the mixture at ₹9.24/kg gives a 10% profit?

Accepted Answer

A

Practice — Mixture and Alligation