Exams

The line parallel to the BC of the triangle ABC divides the other two sides at the point D and E in such a way that AB=3AD. Calculate the ratio of DE and BC.

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

Which of the following can't be the unit's digit of a perfect square?

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

What is the reflection of the point (-1 , 3) in the line x = -4?

The speed of light in vacuum is estimated as ___ meters/second.

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

DSL, FUN, HWP, ?, LAT