Can you find the odd number in the following?

2716, 4135, 5321 and 7145

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

A farmer went to a market and bought a wolf, a goat, and a cabbage. On his way home, the farmer came to the bank of a river and rented a boat. But crossing the river by boat, the farmer could carry only himself and a single one of his purchases: the wolf, the goat, or the cabbage. If left unattended together, the wolf would eat the goat, or the goat would eat the cabbage. The farmer’s challenge was to carry himself and his purchases to the far bank of the river, leaving each purchase intact. How did he do it?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

What is common among 11, 69, and 88?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

What does it mean?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?