Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

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

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?

Can you find the dog hidden in a group of pandas?

A train leaves from point A for point B at 80 mph. After half an hour, another train leaves from point B for point A at 60 mph.

Which of the trains will be farther from point A when they meet ?

How can a man go eight days without sleep?

John was born on March 5, 1970, in Delhi, India. Jacob was born 25 days before John. The year when they took birth, Republic Day fell on Monday.

Can you find out on what day was Jacob born?