Question

If 9-3 =78, 5-1= 24, 7 - 4 = 45, then 11-5 is:

Answer 1

Answer:

116

Explanation:

9²-3=78, 5²-1=24, 7²-4=24, 11²-5 =116

Answer 2

If 9 - 3 = 78 , 5 - 1 = 24 , 7 - 4 = 45 then 11 - 5 = 116

Given :

9 - 3 = 78 , 5 - 1 = 24 , 7 - 4 = 45

To find :

11 - 5

Solution :

Step 1 of 2 :

Find the pattern

Here it is given that

9 - 3 = 78 , 5 - 1 = 24 , 7 - 4 = 45

Now we have

For 9 - 3 we have 9² - 3 = 78

For 5 - 1 we have 5² - 1 = 24

For 7 - 4 we have 7² - 4 = 45

Thus we get

For a - b we get a² - b

Step 2 of 2 :

Find the value of 11 - 5

We have the pattern as a - b = a² - b

Taking a = 11 , b = 5

For 11 - 5 we have 11² - 5 = 121 - 5 = 116

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