Logic Puzzles Questions

There are 8 holes in this given shirt.

You have to actually count all the balls in the pyramid.
Simple way is to count the balls in each level.

So lower most level lets say 1st level has 4 x 4 balls; i.e. 16 balls
Similarly 2nd level has 3 x 3 balls; i.e. 9 balls.
3rd level has 2 x 2 balls; i.e. 4 balls.
The top most level has just 1 ball.

So the total number of balls is 16+9+4+1 = 30.

So the image has 30 Balls in all.

The given letter equation implies that, 

7 C in the R = 7 Colours in a Rainbow.

The given statement implies that 64 Squares on Carrom Board.

Any person can have only 1 birthday i.e, the day he was born. And every year we celebrate it's anniversaries.

5 L from A are V --- 5 Letters from Alphabets are Vowels.

Autobiography.

Except pineapple remaining all three are types of apples.

Pineapple is what kind of apple isn't an apple.