SSC Government Jobs Exams Numerical Ability Geometry

if in triangle pqr,pq=3cm,qr=5cm,and pr=4cm,then the angles of the trianle in descending order of magnitude are

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SSC Other Question

A train is running at a speed of 40 km/hr and it crosses a post in 18 seconds. What is the length of the train?

Option
1) 190 meters
2) 160 meters
3) 200 meters
4) 120 metres
The base of a right pyramid is an equilateral triangle of side 10(3)^1/3cm.if total surface area of the pyramid is 270(3)^1/3 sq. cm,its height is