Quantitative Aptitude  Variation  Formula & Concept Quiz
#  Quiz 

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Formula & Concept
The amount of water evaporating from a pond in a day is proportional tothe surface area of the pond. 70 litres of water evaporates in a day from a pond of area 1250 m². If 42 litres of water evaporates in a day from a
Solution 
2
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Formula & Concept
The mileage obtained by a car is directly proportional to the average speed at which it is travelling and is inversely proportional to the passenger load. The car gets a mileage of 20 kmph when it is travelling at a speed of 60 kmph and the passenger load is 150 kg. What will be the mileage when the car is travelling at a speed of 70 kmph with a passenger load of 140 kg?
Solution 
3
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Formula & Concept
A solid diamond falls and breaks into three pieces whose weights are in the ratio of 2 : 3 : 4. The value of each piece is directly proportional to the square of their weights. Given that the value of solid diamond is Rs 24300, find the loss due to breakage.
Solution 
4
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Formula & Concept
The cost of the marble varies directly with square of its weight.marble is broken into 3 parts whose weights are in the ratio 3:4:5. if marble had been broken into three equal parts by weight then there would have been a further loss of rs.1800.what is the actual cost of the original(or unbroken)marble?
Solution 
#  Quiz 