A man dies of old age on his 25 birthday. How is this possible?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

You can hear me, but you can't touch or see me.

What am I?

Who is that with a neck and no head, two arms and no hands? What is it?

What does below pictogram mean?

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

I am lying and I always lie. Tell me whether I am lying or telling the truth.

O_er_t_o_

Complete the missing letters of the given word.

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.