An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?

You need to move three matchsticks to form three squares. Can you do it?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

Can it be possible to build a house that has all its four walls facing towards the South?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?