This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

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?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Suppose you are a girl candidate and sitting in an interview. Suddenly the interviewer asks you, 'What if one morning you wake up and find out that you are pregnant?

How will you reply to such a question?

How many triangles can you find in this given picture?

Spot 5 differences in two Christmas tree below:

Can you find the odd number in the following?

2716, 4135, 5321 and 7145