Problems based on Numbers Test 6

Question : 3 of 40

Marks: +1, -0

The multiplication of two consecutive numbers is 8556. What is the smaller number?

Solution:

Let the two successive numbers be x and (x + 1); then

x(x + 1) = 8556

⇒ x^2 + x -8556 = 0

⇒ (x + 93) (x - 92) = 0

⇒ x = 92

(Taking positive value only)
Hence, smaller number = 92

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