AI Mentor

Check Your IQ

Free Expert Demo

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

One year ago the ratio of Anil’s and Sunil’s age was 6:7. Four years hence their ratio would become 7:8. How old is Sunil?

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Concept: Find the relationship between Anil and Sunil's ages from a year ago. Similarly, after 4 years, determine the relationship between their ages. In order to solve, substitute the values.
Let us assume Anil’s age as

and Sunil’s age as

ratio of their age one year ago was 6:7

Thus we can write it as,
Question Image

In this way, we established the age relationship between Anil and Sunil a year ago.
after 4 years the ratio of their ages becomes

Thus their age after 4 years

The ratio of Anil and Sunil after four years is 7:8

The preceding expression can be written as,

Cross multiply and put

So, a year ago, Anil and Sunil were 30 and 35 years old.
So, the present age of Anil

Present age of Sunil

Hence, the correct answer is option 1.

Watch 3-min video & get full concept clarity

courses

No courses found

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!