Quiz Discussion

If Rs. 782 be divided into three parts, proportional to 1/2 : 2/3 : 3/4, then the first part is:

• 1]

  Rs. 182

• 2]

  Rs. 190

• 3]

  Rs. 196

• 4]

  Rs. 204

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

The fourth proportional to 5, 8, 15 is:

• 1]

  18

• 2]

  24

• 3]

  19

• 4]

  20

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

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

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

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