Find the next number in the series.
1 10 24 43 67 ?

I have Rs.50 and I spend it in the way as below.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Solve the equation in the image by looking at the pattern closely.

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Can you place three balls such that the equation shown in the picture holds true?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?