model 11 percentage with ratios Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The ratio of syrup and water in a mixture is 3 : 1, then the percentage of syrup in this mixture is :

a) 66$2/3$%

b) 33$1/3$%

c) 25%

d) 75%

Question : 2

If 10% of m is the same as 20% of n, then m : n is equal to :

a) 1 : 10

b) 1 : 20

c) 1 : 2

d) 2 : 1

Question : 3

In what ratio must 25% hydrochloric acid be mixed with 60% hydrochloric acid to get a mixture of 40% hydrochloric acid ?

a) 3 : 4

b) 12 : 5

c) 4 : 3

d) 5 : 12

Question : 4

The population of a town is 3,11,250. The ratio between women and men is 43 : 40. If there are 24% literate among men and 8% literate among women, the total number of literate persons in the town is

a) 56,800

b) 99,600

c) 48,900

d) 41,800

Question : 5

A milkman mixed some water with milk to gain 25% by selling the mixture at the cost price. The ratio of water and milk is respectively

a) 1 : 5

b) 1 : 4

c) 4 : 5

d) 5 : 4

Question : 6

If 20% of A = 30% of B =$1/6$ of C, then A : B : C is

a) 10 : 15 : 18

b) 15 : 10 : 18

c) 3 : 2 : 16

d) 2 : 3 : 16