Logic Puzzles Questions

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.

Since they can do 19 programs in 19 hours, Then 52 programs in 52 hours respectively.
And a 15 min interval
Total time they take to do 52 programs is 52 hours 15 minutes.

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.

24 S in an IF means 24 Spokes in an Indian Flag.

Our Solution:    

  There are 3 possibilities

       Cindy: car
       Mr. Jones: train
       John: plane
       Rachel: ship

      Cindy: car
      Mr. Jones: ship
      John: plane
      Rachel: train

     Cindy: car
     Mr. Jones: ship
     John: train
     Rachel: plane