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1. Two fifth of one fourth of three-seventh of a number is 15, What is the half of the number?
- A. 57
- B. 57
- C. 57
- D. 57
Answer: Option B
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
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