Question

Question : If 1 + 4=9, 2 + 8=18, 3+6 = 15 then 7 + 8 = ?
a) 41 b) 23 c) 30 d) 32​

Answer 1

Answer:

23

Step-by-step explanation:

pattern is

a + b = a +  2b

7 + 8  = 7 + 2[8] =7 +16 =23

Answer 2

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solution

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1 + 4 = 9

2 + 8 = 18

3 + 6 = 15

So if the number is x + y then it is equal to [ ( x+y) +y]

here we need to calculate value of

7 + 8 = [ ( 7 + 8 ) + 8 ]

= 23

ANSWER IS OPTION B

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