Questions

In a triangle ABC, AB = 8 cm, AC = 10 cm and ∠B = 90°, then the area of ΔABC is

Find the sum of the measures all the exterior angles of a decagon.

Two circles of same radius intersect each other at P and Q. If the length of the common chord is 30 cm and distance between the centres of the two circlesis 40 cm, then what is the radius (in cm) of the circles?

Which among the following games was very popular in ancient India?

Shahjahan was the _____Mughal ruler.

Which one of the following triad represents Dobereiner's Triad?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select ‘No Error’.

Scientists show that there is a curious (1)/ relationship among a lion’s life span and (2)/ the pattern of spots on each side of its face. (3)/ No error (4)

The Mutation Theory was proposed by _____.