self Maths Puzzle

A no is increases by 10% and after it decreases by 10%. What will be the % change in no either increase or decrease.

Read Solution (Total 3)

self Other Question

There is a 4 digit car number,
4th digit is double of 1st digit,
2nd n 3rd digits are same,
And last digits together are double of first two digits
Can you guess the car number?
A man buys milk at 10 rupee/liter adds 1/3 of water to it and sells the mixture at 12 rupee/liter his gain in percentage