10th Class Mathematics Real Numbers Question Bank Case Based (MCQs) - Real Numbers

Direction: Q. 11 to 15

A mathematics exhibition is being conducted in a reputed school and one of your mathematics teacher is making model of a factor tree. He has some difficulty and asks for your help in completing a quiz for the viewers.

Observe the above factor tree and answer the following questions.

                               The value of A is:

A) 20825

B) 15005

C) 56920

D) 17429

Correct Answer: A

Solution :

Sol. From factor tree.

\[A=7\times 2975=20825\]

So, option [a] is correct.