Question
The ratio of the number of pencils to pens in a box is
12:5. The number of pencils is increased by 75% and the number of pens is decreased by 60%. Find the new ratio of pencils to pens in the box. TYPE 15Solution
Let the original number of pencils and pens in the bag be 12x and 5x respectively. Required ratio = (1.75 x 12x) : (0.4 x 5x) = 21:2
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1528, 1416, 1204, ?, 480, -32
143 Â Â Â Â 119Â Â Â Â 107Â Â Â Â 101Â Â Â Â Â 98Â Â Â Â ?
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What will come in place of the question mark (?) in the following series?
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...