Can you find out which number multiplied by itself will give the output as 12345678987654321?

In a town, there are four houses located at different distances from each other. Following are the distances:

The third house is 60 meters apart from the first house.
The fourth house is 40 meters apart from the second house.
The third house is 10 meters nearer to the fourth house than it is to the second house.

Can you find out the distance between the fourth and the first house?

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Can you find out the remainder when 3^300 is divided by 5?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Find the number of squares in the below-given picture.

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

In the image below, can you find the value of an angle(y)