Question
The average cost of 4 chairs is Rs. 10000. The average
cost decrease by 15% when one more chair is included. What is the cost price of the 5th chair?Solution
Total cost of 4 chairs = 10000 × 4 = Rs. 40000 Average cost of all the 5 chairs = 10000 × (85/100) = Rs. 8500 Total cost of all the 5 chairs = 8500 × 5 = Rs. 42500 Cost of the 5th chair = 42500 - 40000 = Rs. 2500
In the question below, three statements are given followed by the conclusions. You have to take the given statements to be true even if they seem to b...
In the questions given below, there are three statements followed by two conclusions I and II. You have to take the three given statements to be true e...
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     ...
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Some envelopes are letters.
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All diamonds are pearlÂ
Some bangle are pearlÂ
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No tree is a shrub.
No shrub is a herb.
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Conclusions:In the question below some statements are given followed by three conclusions I, II and III. You have to take the given statements to be true even if t...
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Only Metal is Bronze
Some Metal are not Gold
All Gold are Diamond
 Conclusion:         Â
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