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In 1996, if the value of crude imported from Saudi Arabia is 5% of the total value of crude imported in that year and in 1999, the value of the imports from Oman is 10% of the total import in that year then the total value of crude imported in 1996 is what percentage less than that in 1999?

A.	30%	B.	25%
C.	40%	D.	20%
E.	None of these

Answer and Explanation

Answer:20%

Explanation:
given, in 1996 the import from Saudi Arabia = 100
=> Total import = 100 x 100 / 5 = 2000`
=> Similarly,
=> Total import in 1999 = 250 x 100 / 10 = 2500
=> Required % = (2500 – 2000) x 100 / 250 = 20%

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