Question Detail
There are four prime numbers written in ascending order. The product of first three is 385 and that of last three is 1001. The last number is:
- 9
- 13
- 15
- 12
Answer: Option B
Explanation:
\begin{aligned} \frac{abc}{bcd} = \frac{385}{1001} => \frac{a}{d} = \frac{5}{13} \end{aligned}So d = 13
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