A man gives 20% of his money to his eldest son, 30% of remaining he gives to his younger son. 10% of the remaining he gives in a school for poor boys still he has Rs.100.80. Find his total sum. 

Find the value of $$ {\sqrt{(cos^{2}20°+cos^{2}70°)}}$$

'Falku Bai' is related to which folk dance?

Study the given pattern carefully and select the number that can replace the question mark (?) in it.

23                32          16

3                 4              5

72              132         ?

Whose breed is Murrah?

What is the sum of all three-digit numbers which are divisible by 20?