Question
772, 756, 720, 656, 556,
?. What will come in the place of questions (?) mark in following questions.Solution
Here series follows the pattern- 772 - 4 ² = 756 756 - 6 ² = 720 720 - 8 ²  = 656 656 - 10 ² = 556 556 - 12 ² = 412
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5,3,4,7
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When the profit obtained by selling an item for Rs. 768 is the same as the loss suffered when the item is sold for Rs. 312. What ...
21 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 179. Find the smallest part.
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