type 3 addition subtraction product on ratio & proportion Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

The sum of three numbers is 116. The ratio of second to the third is 9 : 16 and the first to the third is 1 : 4. The second number is

a) 34

b) 36

c) 32

d) 30

Question : 2

The ratio of two numbers is 10 : 7 and their difference is 105. The sum of these numbers is

a) 1190

b) 1610

c) 805

d) 595

Question : 3

Two numbers are in the ratio 3 : 5. If 6 is added to each of them, the ratio becomes 2 : 3. The numbers are

a) 24 and 40

b) 18 and 30

c) 30 and 50

d) 21 and 35

Question : 4

Three numbers are in the ratio 3 : 4 : 5. The sum of the largest and the smallest equals the sum of the second and 52. The smallest number is

a) 39

b) 52

c) 27

d) 20

Question : 5

Two numbers are in the ratio 1 : 3. If their sum is 240, then their difference is

a) 100

b) 96

c) 108

d) 120

Question : 6

If A and B are in the ratio 4 : 5 and the difference of their squares is 81, what is the value of A ?

a) 36

b) 15

c) 12

d) 45