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

Question : 1

The price of sugar is increased by 20%. If the expenditure on sugar has to be kept the same as earlier, the ratio between the reduction in consumption and the original consumption is

a) 1 : 6

b) 1 : 5

c) 1 : 4

d) 1 : 3

Question : 2

The ratio of the number of boys to that of girls in a village is 3 : 2. If 30% of boys and 70% of girls appeared in an examination, the ratio of the number of villagers, appreared in the examination to that not appeared in the same examination is

a) 1 : 1

b) 27 : 23

c) 23 : 27

d) 9 : 14

Question : 3

Two numbers are in the ratio 2 : 3. If 20% of the smaller number added to 20 is equal to the sum of 10% of the larger number and 25, then the smaller number is

a) 180

b) 200

c) 160

d) 100

Question : 4

The ratio of the number of boys and girls in a school is 3:2. If 20% of the boys and 25% of the girls are scholarship holders, the percentage of the school students who are not scholarship holders is

a) 70

b) 80

c) 78

d) 56

Question : 5

The bus fare and train fare of a place from Kolkata were Rs.20 and Rs.30 respectively. Train fare has been increased by 20% and the bus fare has been increased by 10%. The ratio of new train fare to new bus fare is

a) 5 : 3

b) 3 : 5

c) 18 : 11

d) 11 : 18

Question : 6

Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is

a) 4 : 5

b) 6 : 7

c) 3 : 5

d) 2 : 5