Question
A reduction of 10% in the price of sugar enables a man
to buy 5 kg more for RS 300. Find the reduced price per kg of sugar.Solution
Due to x% increase/decrease in the price, the person purchased 'y' kg less/more in Rs. 'a' So, we can say that x% of a is the price of y kg  Price of y kg = x% of a Price of 1 kg = (x% of a)/y  Reduced price of per kg sugar = (10% of 300)/5 = (10 x 300)/5 = 6 Rs.
864, 432, 144, ? , 7.2, 1.2
What will come in place of the question mark (?) in the following series?
2.5, 6.5, 18.5, 54.5, 162.5, 486.5, ?
161Â Â Â Â 173Â Â Â Â Â Â 191 Â Â Â Â Â Â 215Â Â Â Â Â Â 245 Â Â Â Â Â Â ?
...What will come in place of the question mark (?) in the following series?
10, 11, 15, 31, 95, ?
What will come in place of (?) question mark in the given number series.
13, 15, 18, 23, 30, ?
What will come in place of the question mark (?) in the following series?
16, 16, ?, 96, 384, 1920
14.8% of 7200 – 16.4% of 6200 + 15.09% of 8100 = 10% of ?
3, 10, 29, 66, ?
?, 32, 75, 144, 245, 384
7, 8, ?, 52, 209, 1046
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