What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

Find out the missing number in the picture attached:

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

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?