Discuss Forum
1. Two-fifth of one-fourth of three-seventh of a number is 15. When is half of that number?
- A. 94
- B. 94
- C. 94
- D. 94
Answer: Option D
Explanation:
Let, the number be x
2/5 of 1/4 of 3/7 of x = 15
2/5×1/4×3/7× = 15
6x/140 = 15
6x = 15×140
6x = 2100
x = 350
Half of x is 175
Post your comments here: