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

Question : 1

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 : 2

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 : 3

The difference of two numbers is 15% of their sum. The ratio of the larger number to the smaller number is

a) 17 : 11

b) 23 : 11

c) 11 : 9

d) 23 : 17

Question : 4

The expenses on rice, fish and oil of a family are in the ratio 12 : 17 : 3. The prices of these articles are increased by 20%, 30% and 50% respectively. The total expenses of family on these articles are increased by

a) 56$1/8$%

b) 28$1/8$%

c) 7$1/8$%

d) 14$1/8$%

Question : 5

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 : 6

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