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

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

who is silent in the parliament?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

What breaks yet never falls, and what falls yet never breaks?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

Write the next letter in this sequence.
O, T, T, F, F, S, S, E, __
**Hint: It is a Number Series Puzzle

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?