Question

Q. If the half of half of a number is 20, then the no. is
a) 60
b) 40
c) 80
d) 20​

Answer 1

Answer:

correct answer is c:- 80

Answer 2

Answer:

number is 40. So, b) option is answer

Step-by-step explanation:

Let the number = x

Half of number = 1/2 × x => x/2

=> x/2 = 20

=> x×1= 20×2 (by cross multiply)

=> x = 40

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