Quiz Discussion

The ratio of the ages of a, b, c, d is 8:10:7:9 respectively. The oldest person is 9 years older than the youngest person. Find the age of a?

• 1]

  22

• 2]

  23

• 3]

  24

• 4]

  25

ratio of ages of B and G is 2:3. B present age is 24. If the ages of B , G and C are in continued proportion, find C age?

• 1]

  50

• 2]

  52

• 3]

  54

• 4]

  56

If a: b = 3:4, b:c = 7:9, c:d = 5:7, find a:d?

• 1]

  5:12

• 2]

  7:12

• 3]

  3:11

• 4]

  5:11

Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:

• 1]

  27

• 2]

  33

• 3]

  49

• 4]

  55

If 40% of a number is equal to two-third of another number, what is the ratio of first number to the second number?

• 1]

  2 : 5

• 2]

  3 : 7

• 3]

  5 : 3

• 4]

  7 : 3

A policeman starts to chase a thief. When the thief goes 10 steps the policeman moves 8 steps and 5 steps of the policeman are equal to 7 steps of the thief. The ratio of the speed of the policeman and the thief is = ?

• 1]

  25 : 28

• 2]

  25 : 26

• 3]

  28 : 25

• 4]

  56 : 25

The fourth proportional to 5, 8, 15 is:

• 1]

  18

• 2]

  24

• 3]

  19

• 4]

  20

The salaries A, B, C are in the ratio 2 : 3 : 5. If the increments of 15%, 10% and 20% are allowed respectively in their salaries, then what will be new ratio of their salaries?

• 1]

  3 : 3 : 10

• 2]

  10 : 11 : 20

• 3]

  23 : 33 : 60

• 4]

  Cannot be determined

What number has a 5:1 ratio to the number 10?

• 1]

  42

• 2]

  50

• 3]

  55

• 4]

  62

In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

• 1]

  50

• 2]

  100

• 3]

  150

• 4]

  200