Question

Solve this question
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2+3=8,

3+7=27,

4+5=32,

5+8=60,

6+7=72,

7+8=??


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Answer 1

2(1) + 3(2)= 8

3(2) + 7(3) = 27

4(3) + 5(4) = 32

5(4) + 8(5) = 60

6(5) + 7(6) = 72

So,

7(6) + 8(7) = 42 + 56 = 98
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Other way..

2 + 3 = 8 ( 2 × 3 + 2)

3 + 7 = 27 ( 3 × 7 + 3× 2)

4 + 5 = 32 ( 4 ×5 + 4 ×2)

5 + 8 = 60 ( 5 × 8 + 5 × 4)

6 + 7 = 72 ( 6× 7 + 6 × 5)

( First number × Second number + First number of same row × First number of preceding row)

So,

7 + 8 = ( 7 × 8 + 7× 6)

= 56 + 42

= 98

Answer 2

Hey there..

Great question mate..

Here's your solution..

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As per the question the pattern followed is —

2*3=6 , 2*(2–1)=2 , 6+2=8

In this initially multiply both numbers and multiply the first number by (first number-1).

Add both results

3*7=21 , 3*(3–1)=6, 21+6=27

4*5=20 , 4*(4–1)=12, 20+12=32

5*8=40 , 5*(5–1)=20, 40+20=60

6*7=42 , 6*(6–1)=30, 42+30=72

Similarly

7*8=56 ,7*(7–1)=42 , 56+42=98

The answer is 98.



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@Rêyaañ11