Question

Give the Answer if 7=42 6=30 5=20 3=?

Answer 1

7=42(7-1×7)

6=30(6-1×6)

5=20(5-1×5)

3=6 (3-1×3)

ur answer is 6..

hope it's helps you....

Answer 2

Answer:

3  = 6

Step-by-step explanation:

7 = 42 = ( 56 - 14 )

6 = 30 = ( 42 - 12 )

5 = 20 = ( 30 - 10 )

So

4 = 12 = ( 20 - 8  )

and lastly

3  = 6 = ( 12 - 6 )

OR

7 = 42  = (7-1 ) × 7  

6 = 30  =  ( 6 - 1 ) × 6  

5 = 20 = ( 5 - 1 ) × 5  

Hence 3 = ( 3 - 1 ) × 3    = 6