2 Mark Question

Questions

5 questions · self-marked practice — reveal the answer and mark yourself.

Question 12 Marks

If 3 is the first triangular number, which is the tenth one?

Answer

66 is the tenth triangular number.

Question 22 Marks

If 4 is the first square number, which is the tenth one?

Answer

121 is the tenth square number.

Question 32 Marks

Name a number which is square as well as triangular.

Answer

36 is square as well as triangular number.

Question 42 Marks

Which are the triangular numbers in the given list?
3, 6, 8, 9, 12, 15, 16, 20, 21, 42

Answer

3, 6, 15, 21, 28, 10, 45, 55 are triangular numbers.

Question 52 Marks

Find the square numbers from the list given below.5, 9, 12, 16, 50, 60, 64, 72, 80, 81

Answer

9,16, 64, 81, 4, 25, 49 are square numbers.

MATHS 2 Mark Question