ATQ, Let the cost price of item 'watch' and item 'ring' be Rs. '3x' and Rs. '2x', respectively Therefore, cost price of item 'keychain' = 2x × (2/5) = Rs. '0.8x' ATQ, 3x + 0.8x = 760 Or, 3.8x = 760 Or, 'x' = (760/3.8) = 200 Therefore, required selling price = 1.5 × 2x = Rs. '3x' = 3 × 200 = Rs. 600
19, 37, 65, 91, 127, 169
66   70    97    ?       238    274
...Find the wrong number in the given series.
12, 18, 27, 42, 62, 87
The following expressions form a series followed by a (?). Find the odd one out first and then find that what will come in place of the question mark (?...
33Â Â Â 68Â Â Â 103Â Â Â 138Â Â Â 173Â Â Â ?
D irection: Which of the following will replace ‘?’ in the following series
9, ‘?’, 1242, 1581, 1783
...105   107   111   114   ?   127
3, 49, 191, 477, ?, 1673
12Â Â Â Â Â Â Â Â Â Â 8Â Â Â Â Â Â Â Â Â Â Â Â Â 6Â Â Â Â Â Â Â Â Â Â Â Â Â 12Â Â Â Â Â Â Â Â Â Â 4.5Â Â Â Â Â Â Â Â Â 15
18Â Â Â Â Â Â Â...
23 48 98 198 ? 798
...
