Question 75

The mean proportional between 36 and 121 is equal to:

Solution

Let the mean proportional between 36 and 121 be $$x$$

=> $$\frac{36}{x}=\frac{x}{121}$$

=> $$x^2=36\times121$$

=> $$x=\sqrt{36\times121}$$

=> $$x=6\times11=66$$

=> Ans - (C)


Create a FREE account and get:

  • Free SSC Study Material - 18000 Questions
  • 230+ SSC previous papers with solutions PDF
  • 100+ SSC Online Tests for Free

cracku

Boost your Prep!

Download App