Answer :
Given, A is increased by 20% which is equal to B
∴ A + 20% of A = B
⇒ A (1 + ) = B
⇒ A = B
⇒ B = A ………….eq1
If B is decreased by 50% then it is equal to C
∴ B-50%of B = C
⇒ B (1-) = C
⇒ B × = C
⇒ B = 2C …………….eq2
⇒ A = 2C
⇒ =
⇒ C =
∴ C = A
∴ In Percentage, =
× 100%
= × 100%
= 60%
Hence, 60% of A is equal to C
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