In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is two-third of the number of students of 8 years of age which is 48. what is the total number of students in the school?

Created: 4 months ago | Updated: 3 months ago

৭২

100

None of these

Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 31.07.2015 গণিত

316

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Two student appeared at an examination. One of them secured 9 makes more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are :

Created: 4 months ago | Updated: 3 months ago

39, 30

41, 32

42, 33

43,34

None of these

Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 31.07.2015 গণিত

269

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A die is rolled twice. What is the probability of getting a sum equal to 9?

Created: 4 months ago | Updated: 3 months ago

2/3

2/9

1/6

1/9

None of these

Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 31.07.2015 গণিত

565

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Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?

Created: 4 months ago | Updated: 3 months ago

১৪০০

1200

1000

900

None of these

Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 31.07.2015 গণিত

823

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Six bells starts ringing logether and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. How many times will they ring together in 60 minutes?

Created: 4 months ago | Updated: 3 months ago

১৫

১৬

৩০

৩১

None of these

Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 31.07.2015 গণিত

332

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A ferry, when empty, travels twice as fast as when it is full. It travels 20 miles south with a cargo, spends 30 minutes for unloading, and returns to its original port empty in a total of 8 hours, what is the speed of the ferry when it is empty?

Created: 4 months ago | Updated: 3 months ago

8 mph

10 mph

12 mph

15 mph

None of these

Job Solution Mercantile Bank Ltd Mercantile Bank Ltd - Management Trainee Officer - 05.07.2013 গণিত

402

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In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is two-third of the number of students of 8 years of age which is 48. what is the total number of students in the school?

Related Questions

Two student appeared at an examination. One of them secured 9 makes more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are :

A die is rolled twice. What is the probability of getting a sum equal to 9?

Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?

Six bells starts ringing logether and ring at intervals of 4, 8, 10, 12, 15 and 20 seconds respectively. How many times will they ring together in 60 minutes?

A ferry, when empty, travels twice as fast as when it is full. It travels 20 miles south with a cargo, spends 30 minutes for unloading, and returns to its original port empty in a total of 8 hours, what is the speed of the ferry when it is empty?