Question

Find out how many three digit square numbers are possible whose sum of digits is 9

Answer 1

Answer:

7

Step-by-step explanation:

Lets jot down all the three-digit square numbers

• Starting with $10^{2}$ = 100
• until $32^{2}$

Look at the image below

Observation:

We can conclude that set of 2 digited numbers from 10 to 32 which are divisible by 3 are divisible by 9 if we square them.

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