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Question
25% of ? + 36% of 1225 = 816
Options:
A .  7 * 102
B .  72 * 10
C .  2 * 7 * 102
D .  (7 * 2)2 * 10
E .  None of these
Answer: Option E


25% of ? + 36% of 1225 = 816=> 25/100 of ? + 36/100 of 1225 = 816=> 1/4 * ? + 9/25 * 1225 = 816 => 1/4 * ? = 816 - 9(49)=> ? = 4(816 - 441) => ? = 1500


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