Two numbers are in the ratio 7:8. If the difference between the numbers is 30, find the numbers.

A215, 245

B205, 235

C220, 250

D210, 240 ✓ Correct

Correct answer: (D) 210, 240

Explanation

The numbers are 210 and 240.

Let the numbers be 7x and 8x.

Difference 8x - 7x = x = 30.

7 x 30 = 210 and 8 x 30 = 240.

Check: 240 - 210 = 30.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.