Question

11. If 3 + 5 =17,2 +2 = 4,9+ 3 = 33 then 1 +3 = ?
3
4
5
10​

Answer 1

Answer:

4

Step-by-step explanation:

3+5=17,2+2=4,9+3=33,1+3=4

Answer 2

If 3 + 5 = 17 , 2 + 2 = 4 , 9 + 3 = 33 then 1 + 3 = 5

Given :

3 + 5 = 17 , 2 + 2 = 4 , 9 + 3 = 33

To find :

The value of 1 + 3 =

• 3

• 4

• 5

• 10

Solution :

Step 1 of 2 :

Find the pattern

Here it is given that ,

3 + 5 = 17 , 2 + 2 = 4 , 9 + 3 = 33

We have ,

$\displaystyle \sf{ 3 + 5 = (3 \times 5) + |3 - 5| = 15 + 2 = 17 }$

$\displaystyle \sf{ 2 + 2 = (2 \times 2) + |2 - 2| = 4 + 0= 4 }$

$\displaystyle \sf{ 9 + 3 = (9 \times 3) + |9 - 3| = 27 + 6 = 33 }$

Thus the pattern is as below

$\displaystyle \sf{ a + b = (a\times b) + |a- b| }$

Step 2 of 2 :

Find the value of 1 + 3

To find the value of 1 + 3 we take a = 1 , b = 3

So we have

$\displaystyle \sf{ 1+ 3 }$

$\displaystyle \sf{ = (1 \times 3) + |1 - 3| }$

$\displaystyle \sf{ = 3 + | - 2| }$

$\displaystyle \sf{ = 3 + 2 }$

$\displaystyle \sf{ = 5 }$

Thus we get ,

If 3 + 5 = 17 , 2 + 2 = 4 , 9 + 3 = 33 then 1 + 3 = 5

Hence the correct option is 5

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