Puzzle 1:- Complete the Following Sequence

Ans:- 6,561.

Sol:-There are two sequences arranged alternately. In each sequence the number is
the square of the previous number in that sequence. 6,561 is the square of 81.

Puzzle 2:- Which Number is Odd Man Out?

Ans:- 4275.

Sol:-The number formed by the first two digits plus the number formed by the second
two digits is 99.Say For Example:-3663 is formed as = 36+63=99

Puzzle 3:- What number should replace the question mark?

Ans:- 86.

Sol:-Add five starightdown;

Add ten sideways;

Add fifteen diagonally.

Add ten sideways;

Add fifteen diagonally.

Puzzle 4:- What number should replace the question mark?

Ans:- 7.

Sol:-The numbers in each line contain the digits 1 – 9 only once.

Puzzle 5:- What number should replace the X?

Ans:- 1 (One).

Sol:-Space the Seriese Correctly.Seriese will become 13,15,17,19,2(1).