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?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

What is next number in the pattern below:

131 517 192 123 ?

Which alphabet letter is a question?

Which English verb becomes past tense just by rearranging the letters?

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

How many times do a clock's hands overlap in a day ?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?