Question

insert the missing number
12(56)16
17(?)21

Answer 1

Answer:

Step-by-step explanation:

answer is 76

In first there is 12, 56,16

Add 12 and 16

Then multiply it with 2

Sly, do it same hence u'll get ur answer

I hope it helps u

Answer 2

17(76)21

Given :

12(56)16 , 17(?)21

To find :

The number at ?

Solution :

Step 1 of 2 :

Find the pattern

Here it is given that 12(56)16

Thus we get

12(56)16

= 12(2 × 28)16

= 12(2 × [12 + 16])16

So the pattern is as below

For two numbers a and b the pattern is

a(2 × [a + b])b

Step 2 of 2 :

Find the number

We are given 17(?)21

Taking a = 17 , b = 21 we get

17(2 × [17 + 21])21

= 17(2 × 38)21

= 17(76)21

Hence the number at ? is 76

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