model 11 percentage with ratios Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16 [SSC CGL 2012]

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 : 17

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 : 18

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 : 19 [SSC CGL Prelim 2000]

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 : 20 [SSC CHSL 2014]

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