Exams

Which of the following is NOT correctly matched?

2sin[(C+D)/2].cos[(C­-D)/2] is equal to

If the triangle ABC and DEF follows the given equation, then these two triangles are similar by which of the following criterion?

ABDE = BCEF =ACDF

In the following question, select the odd word pair from the given alternatives.

A person bought an item for Rs. 1500 and sold it at a profit of 12%. What was the selling price of the item?

What is the ratio of radius of incircle and circumcircle for an equilateral triangle with an area of 22√3 sq. units?

The income of P, Q and R are in the ratio of 5 : 4 : 3 respectively and their expenses are in the ratio of 6 : 5 : 4 respectively. If P saves Rs 4000 out of an income of Rs 10000, then what will be the saving (in Rs) of Q?

Molecular clocks are based on the idea that _____.