A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

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

Find the next number in the series below

21 32 54 87 131 ?

What is the centre of gravity?

Can you divide the below-given shape into four equal and identical pieces?

Kareena is older than Bipasha. Bipasha is younger than Karishma and younger than Katrina. Katrina is older than Kareena and Alonso, who are older than Karishma.If Alonso and Kareena are twins, who's oldest?

What does does this rebus picture means ?

In a classic wine shop, the list of three most popular wines are:
- The cost of 1 French wine bottle: 500$
- The cost of 1 German wine bottle: 100$
- The cost of 20 Dutch wine bottles: 100$

John entered the wine shop and he needs to buy
- All three types of wine bottles.
- Needs to buy Dutch wine bottles in multiples of 20.
- Need to buy 100 wine bottles in total.

John has only 10000$. How many wine bottles of each type, John must buy?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

The following sentence is false. The preceding sentence is true.
Are these two sentences true or false?