Question

Four-fifths of a number is greater than three-fourths of a number by 4. The number is ?
a) 12
b) 64
c) 80
d) 102​

Answer 1

Answer:

12 is the right answer

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Answer 2

Let the no. Be x.
According to the question,
4/5x = 3/4x+4
4/5x - 3/4x = 4
Taking LCM,
16x-15x/20 = 4
x/20=4
x= 4*20
Hence, x= 80