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

I make two people out of one. What am I?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?

No matter how little or how much you use me, you change me every month. What am I?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?

When is the top of a mountain similar to a savings account?

I have branches, but no fruit, trunk or leaves. What am I?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Find the number of squares in the below picture

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744