Product of two numbers is if the greater number is 2 times the smaller number. What is the greater number?

A    9

B    15

C    18

D    21

Solution

Correct Answer: Option C

 

solution:

Let, Small number= x

then, Greater number=2x

According to the questions,

2x × x=162

=>2x2=162

=> x2=81

=> x=9

Therefore, The greater number is (2×9)=18 Ans:

 

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