Two numbers are in the ratio 5 : 7. If the first number is 20, then the second number will be:
Answer & explanation
Correct answer: option 3
A : B = 5 : 7,
⇒ 5 units = 20,
⇒ 1 unit = 4,
⇒ 7 units = 4 x 7 = 28.
Two numbers are in the ratio 5 : 7. If the first number is 20, then the second number will be:
Correct answer: option 3
A : B = 5 : 7,
⇒ 5 units = 20,
⇒ 1 unit = 4,
⇒ 7 units = 4 x 7 = 28.