Competitive Quantitative Aptitude Roots of Numbers Squares and Square Roots

Medium

Three-fifth of the square of a certain number is $126.15$. What is the number?

A
$14.5$
B
$75.69$
C
$145$
D
$210.25$

Explore More

Browse All

Question Bank

All Subjects

Competitive Questions

Competitive

Quantitative Aptitude Questions

Chapter

Roots of Numbers

Subtopic

Squares and Square Roots

Similar Questions

If $\sqrt{x}=\sqrt{3}-\sqrt{5},$ then the value of $x^{2}-16x+6$ is

Medium

The square root of $0 . \overline{4}$ is

Easy

$\frac{1}{\sqrt{9}-\sqrt{8}} = ?$

Easy

By what least number should $2450$ be multiplied so that the resulting number is a perfect square?

Easy

Which of the following numbers,wherein some of the digits have been suppressed by symbols,can possibly be the perfect square of a $3$-digit odd number?

Easy

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.