What number comes next in the series?

5 15 5 18 5 24 14 20 _

When it is alive we sing, when it is dead we clap our hands. What is it?

By what process could you make a 'Tea-Table' into food?

Sachin bought a car with a strange 5 digit numbered plate.The water image of the number is 78633 more than my car number. All the digits of car number are distinct.

What is the original number on number plate?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?