Question

EXERCISE -23.2
1. Obtain the triangular numbers upto 60. How many are there?
2. Find the 30th triangular number using a preferred method.
3. Construct two triangular and square patterns.
4. Which number pattern is constructed when two consecutive triangular numbers are
added ? Represent it by a star pattern.
5. In a square number pattern, the opposite corners are joined together to form two
triangular numbers. If the triangular number is 6, what is the square number?
ACTIVITY
31
w
Some More Number Patterns
Consider any number. At every step, we multiply it by 2,3,4,.... Also, we add 3 to it at ea
step. Look at the difference in the answer. Is it the same at every step?
+
45
2
Х
3
+
59​

Answer 1

ok I will answer

but first you follow me

Answer 2

Answer:

dydvrlsydbtbdjsywbwfakelsysvrndkx