# Quiz Discussion

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?

Course Name: Quantitative Aptitude

• 1]

129600 Rs

• 2]

133000Rs

• 3]

129430 Rs

• 4]

390000 Rs

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

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
pond, what will be the area of that pond?​

• 1]

750 m2

• 2]

650 m2

• 3]

550 m2

• 4]

450 m2

##### Solution
2
Discuss

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?

• 1]

25 kmph

• 2]

26 kmph

• 3]

27 kmph

• 4]

28 kmph

##### Solution
3
Discuss

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.

• 1]

Rs 14300

• 2]

Rs 11400

• 3]

Rs 14600

• 4]

Rs 15600

# Quiz