QUESTION

CSAT

Easy

Maths

Prelims 2021

Jay and Vijay spent an equal amount of money to buy some pens and special pencils of the same quality from the same store. If Jay bought 3 pens and 5 pencils, and Vijay bought 2 pens and 7 pencils, then which one of the following is correct?

Select an option to attempt

Explanation

Let the price of a pen and a pencil be Rs. aa, and Rs. bb respectively.

As per the question, 3a+5b=2a+7b3a + 5b = 2a + 7b

Or a=2ba = 2b

So, price of a pen is twice as that of a pencil.

Trusted by 2L aspirants

Practice UPSC Prelims PYQs Smarter

Practice Now
  • Track accuracy & weak areas
  • See past trends & repeated themes
Start Practicing Now

Crack UPSC with your
Personal AI Mentor

An AI-powered ecosystem to learn, practice, and evaluate with discipline

SuperKalam is your personal mentor for UPSC preparation, guiding you at every step of the exam journey.

Download the App

Get it on Google PlayDownload on the App Store
Follow us

ⓒ Snapstack Technologies Private Limited