Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you find out who is the kidnapper in below Picture and why, Explain ?

what does the below math rebus puzzle mean?

You are on your way to visit your Friend, who lives at the end of the hill. It is his birthday, and you want to give him the cakes you have made. Between your house and his house, you have to cross 5 bridges, and as it goes in the land of make believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home to make sure that you arrive at a friend's house with exactly two

Can you fill the blank with the correct number?

6 30 870 756030 _____

A bomb exploded in a room full of married couples and no one died. How?

I am sure no one can have two things for dinner. what are they?

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?

Can you move 2 matchsticks to form four equal sized squares.

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