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1. If one-third of one -fourth of a number is 15, then three-tenth of that number is--
- A. 35
- B. 35
- C. 35
- D. 35
Answer: Option D
Explanation:
Let, the number = x
According to the question,
1/3 of x of 1/4 = 15
1/3 × x ×1/4 = 15
x/12 = 15
x = 180
The three - tenth of that number = x of 3/10 = 180×3/10 = 54
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