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?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Take away the whole and some still remain. What is it?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

What happened when the wheel was invented?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?