SSC CHSL 2020 PYQ — Question 67

SSC CHSL - 17th October 2020 - Shift 1 • Quantitative Aptitude • Q67

If M is the mid-point of the side BC of ΔABC, and the area of ΔABM is 18 cm2, then the area of ΔABC is:

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e 36 cm2

Understanding

Application

‘AM’ is the median of triangle ABC.

Median divides the area of triangle into two equal parts.

(Area of ∆ABM)/(Area of ABC)=1/2

18/(Area of ∆ABC)= 1/2

Area of ∆ABC= 18×2

Area of ∆ABC= 36 cm2