Question

36. If 15 is the sum of three consecutive numbers, then find the square of the middle number.
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Answer 1

Answer:

x, x+1,x+2=15

x+(x+1)+(x+2) =15

(3x)+3=15

3x=15-3

3x=12

x=4

x+1=4+1=5

x+2=4+2=6

the square of middle number =5^

=25

Answer 2

Answer:

25

Step-by-step explanation:

1. first we have to find three consecutive number
2. then, 4,5,6 is three consecutive number
3. some of the number is 4,5,6 is 15
4. 5 is middle number
5. 5 square =25
6. answer is = 25

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