I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

Why is a river so rich ?

Solve the puzzle by telling what does below picture means.

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Can you count the number of triangles in the given picture?

When you stop to look, you can always see me. But if you try to touch me, you can never feel me. Although you walk towards me, I remain the same distance from you. What am I?

Which letter of the alphabet has the most water?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

Find the next number in the sequence

1, 2, 6, 21, 88, __?