No products in the cart.

If A and B are in …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

If A and B are in the ratio 4 : 5 and the difference of their squares is 81, what is the value of A?
  • 3 answers

Parvinder Yadav 3 years, 5 months ago

(5x)²-(4x)²=81 25x²-16x²=81 9x²=81 X²=81/9 X²=9 X=3

Danish Qureshi 3 years, 10 months ago

9

Pratee Sharma 3 years, 10 months ago

9
http://mycbseguide.com/examin8/

Related Questions

6.74bar+7.32bar=
  • 1 answers
Evs
  • 0 answers
3,5,18,72
  • 0 answers

myCBSEguide App

myCBSEguide

Trusted by 1 Crore+ Students

Test Generator

Test Generator

Create papers online. It's FREE.

CUET Mock Tests

CUET Mock Tests

75,000+ questions to practice only on myCBSEguide app

Download myCBSEguide App