NCHMCT JEE 2021 Question Paper with solutions for online practice

Question : 75 of 200

Marks: +1, -0

A student was asked to divide a number by 6 and add 12 to the quotient. He, however, first added 12 to the number and then divided it by 6 , getting 112 as the answer. The correct answer should have been

Validate

Solution:

Let the number be

x

∴ \;\;{x+12}/{6}=112

⇒ x+12=672

⇒ x=672-12=660

\; ∴ \;\text " Correct answer "\;=\;{660}/{6}+12=110+12=122

Go to Question:

Prev Question

Next Question