Question

you have been given four 4's and you are required to generate numbers between 1to 20 using these 4 four. you can use operations +,-,*,/. challenge is that you must use all the fours along with any Operation to generate a number eg-(4+4)/4+4=6

Answer 1

Solution:-

》{(4/4)+4}×4

》= {1+4}×4

》=( 5×4 = 20 )ans

Answer 2

Solution :-

By using fours 4's the numbers are as follows.

1) (4*4)/4

⇒ 16/4 

= 4

2) (4*4)/(4+4)

⇒ 16/8

= 2

3) (4*4)/(4/4)

⇒ 16/1

= 16

4) (4*4)/(4*4)

⇒ 16/16

= 1

5) (4 + 4)/(4 + 4)

⇒ 8/8

= 1

6) (4/4)/(4/4)

⇒ 1/1

= 1

7) (4 + 4 - 4)/4

⇒ 4/4

= 1

Hope it will help you.