Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

Using Only Five 5's and any mathematical operator make sum as 37

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

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

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

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

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

There is a number which when you multiply by 3 and subtract 2 from the result, then the resulting number is the reverse of the actual number.

What is the smallest number that stands true on the statement?