Quiz Discussion

The fourth proportional to 5, 8, 15 is:

• 1]

  18

• 2]

  24

• 3]

  19

• 4]

  20

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

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

A, B and C enter into a partnership and their shares are in the ratio 1/2 : 1/3 : 1/4. After 2 months, A withdraws half of his capital and after 10 months, a profit of Rs. 378 is divided among them. What is B's share ?

• 1]

  160

• 2]

  180

• 3]

  172

• 4]

  144

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 = 7: 5, b: c = 9: 11, find a: b: c?

• 1]

  63: 14: 55

• 2]

  63: 45: 55

• 3]

  14: 14: 15

• 4]

  7: 14: 15

The ratio of number of 50 paise coins and 1 rs coins with ramya is 7:10 . If the value of 50 paise coins with her is rs 280 then what is the number of one rs coin with her

• 1]

  788

• 2]

  750

• 3]

  789

• 4]

  800

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

• 1]

  42

• 2]

  50

• 3]

  55

• 4]

  62

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