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Quantitative-aptitude Questions Set 193:

Quiz Mode

The speed of a boat in still water is 20 km/hr and the rate of the current is 4 km/hr. The distance traveled downstream in 10 minutes is:

4 km

5 km

2 km

12 km

Solution:

If the numerator of a fraction is increased by 250% and the denominator is increased by 400%, the resultant fraction is 7/19. What is the original fraction?

10/19

5/9

9/5

19/7

Solution:

The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

76 kg

76.5 kg

77 kg

85 kg

Solution:

A and B enter into partnership with capital in ratio 7:9. At the end of month 8, A withdraws. If they receive a profit in the ratio 8:9 then find how long B's capital was used.

Solution:

A 8-digit number has to be formed using digits 1, 2, 3, 4, 5, 6, 7, and 8. Each digit can be used only once. What is the probability that the first 4 digits of the number are even numbers?

1/35

1/70

2/35

2/105

Solution:

A train 120 meters long is running with a speed of 60 km/hr. In what time will it pass a boy who is running at 6 km/hr in the direction opposite to that in which the train is going?

6.54 sec

44.32 sec

55 sec

Solution:

Seats for Mathematics, Physics, and Biology in a school are in the ratio 5 : 7: 8. There is a proposal to increase these seats by 40%, 50%, and 75% respectively. What will be the ratio of increased seats

6:7:8

2:3:4

6:8:9

None of these

Solution:

The cost price of a vase is Rs. 370 and the shopkeeper can make a profit of 30% even after reducing the marked price of the vase by Rs. 37. Find the profit percent of the shopkeeper, if he had sold the vase at the original marked price.

35%

40%

45%

50%

Solution:

Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion of the solution R in the liquid in the tank after 3 minutes?

5/11

6/11

7/11

8/11

Solution:

A, B, and C invest Rs. 40,000, Rs. 30,000, and Rs. 50,000 respectively in a partnership firm. At the end of 4 months, A quits. At the end of 6 months, B quits and A rejoins. At the end of the tenth month, C quits and B rejoins. If the profits at the end of the year are Rs. 114,000, find A's share of the profit.

Rs. 20,000

Rs. 30,000

Rs. 40,000

Rs. 25,000

Quantitative-aptitude Questions Set 193:

The speed of a boat in still water is 20 km/hr and the rate of the current is 4 km/hr. The distance traveled downstream in 10 minutes is:

Solution:

If the numerator of a fraction is increased by 250% and the denominator is increased by 400%, the resultant fraction is 7/19. What is the original fraction?

Solution:

The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

Solution:

A and B enter into partnership with capital in ratio 7:9. At the end of month 8, A withdraws. If they receive a profit in the ratio 8:9 then find how long B's capital was used.

Solution:

A 8-digit number has to be formed using digits 1, 2, 3, 4, 5, 6, 7, and 8. Each digit can be used only once. What is the probability that the first 4 digits of the number are even numbers?

Solution:

A train 120 meters long is running with a speed of 60 km/hr. In what time will it pass a boy who is running at 6 km/hr in the direction opposite to that in which the train is going?

Solution:

Seats for Mathematics, Physics, and Biology in a school are in the ratio 5 : 7: 8. There is a proposal to increase these seats by 40%, 50%, and 75% respectively. What will be the ratio of increased seats

Solution:

The cost price of a vase is Rs. 370 and the shopkeeper can make a profit of 30% even after reducing the marked price of the vase by Rs. 37. Find the profit percent of the shopkeeper, if he had sold the vase at the original marked price.

Solution:

Solution:

Solution:

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