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Question

The product of two successive numbers is 8372. Which is the smaller between these two numbers?

A 75
B 64
C 91
D 82
Answer & Explanation
Option: [C]

Let the two numbers be x and (x+1) respectively

So, x(x+1) = 8372

x2 + x - 8372 = 0

x2 + 92x - 91x -8372 = 0

(x + 92)(x - 91) = 0

x = 91

Hence the two numbers are 92 and 91 and the smaller number is 91

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