Spot what is wrong here in below Picture?

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

Can you find out the missing number in the grid?

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

What does this rebus means ?

Two boys wish to cross a river. The only way to get to the other side is by boat, but that boat can only take one boy at a time. The boat cannot return on its own, there are no ropes or similar tricks, yet both boys manage to cross using the boat.

How?

Prove that twice of ten is the same as twice of eleven.

What makes this number unique: 8,549,176,320?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?