Question

Anand earns Rs. 80 in 7 hours and Promode Rs. 90 in 12 hours. The ratio of their earnings is (a) 32 : 21 (b) 23 : 12 (c) 8 : 9 (d) none of these

Answer 1

Anand earns Rs. 80 in 7 hours.

Anand earns Rs. 80/7 in 1 hour.

Promode earns Rs. 90 in 12 hours.

Promode earns Rs. 90/12 in 1 hours.

Ratio of their earnings = 80/7 : 90/12

=> 80 * 12 : 90 * 7

=> 8 * 12 : 9 * 7

=> 96 : 63

=> 32 : 21.

Ratio of their earnings = 32 : 21

Answer 2

Answer:

Anand earns 80/7 in 1 hour

and 90/12 in 1 hour

the ratio is 80/7/90/12

80/7*12/90

32/21

Step-by-step explanation:

therefore the answer is a