Question
In a train, 45% of the passengers are females. Out of
total number of passengers, 65% have unreserved tickets out of which 36% are females. How much percent of females have unreserved tickets?Solution
Let the total number of passengers in the train be ‘x’ Therefore, total number of female passengers = 0.45x Number of female passengers who have unreserved tickets = 0.65 × 0.36x = 0.234x Required percentage = (0.234x/0.45x) × 100 = 52%
Find the wrong number in the given number series.
22, 29, 50, 89, 134, 197
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5497, 5513, 5538, 5574, 5633, 5687.
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12, 16, 25, 50, 99, 200 Find the wrong number, in the given number series,
1680, 840, 2520, 630, 3150, 475
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154, 137, 114, 84, 46, 11 Find the wrong no in the given number series.
3, 7, 15, 31, 63, 127, 255
48, 72, 104, 144, 192, 251
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0 7 26 63 126 215
...18, 27, 38, 56, 66, 83