The average of four consecutive odd positive integers is always ---

Created: 5 months ago | Updated: 4 months ago

an odd number

none of them

an even number

both (b) and (c)

divisible by 4

Job Solution Janata Bank Ltd Janata Bank Ltd - Assistant Executive Officer 25.02.2011 গণিত

627

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Mr. Bakhtiar works in the procurement department of a library. Under a new purchase policy, he increased the total number of books in the library by 20%. But soon afterwards, as part of the library cleaning process, 10% of the total library book stock is disposed of. What is the net change over the initial number of books in the library ?

Created: 6 months ago | Updated: 4 months ago

increased of 10%

increased of 30%

decreased of 8%

None of these

Job Solution Janata Bank Ltd Janata Bank Ltd - Senior Officer (IT) - 29.01.2016 গণিত

592

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It takes 10 days for 4 boys to complete a piece of work. The same work can be completed by 7 girls in 10 days. If 3 boys and 5 girls work in together, approximately how many days will they need to complete the work ?

Created: 5 months ago | Updated: 4 months ago

১০

১৫

৭

None of these

Job Solution Janata Bank Ltd Janata Bank Ltd - Senior Officer (IT) - 29.01.2016 গণিত

641

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When the speed is increased by 4 miles per hour, it takes for our less to cover a distance of 32 km. Find the previous speed.

Created: 6 months ago | Updated: 4 months ago

2km

4km

8km

12km

Job Solution Janata Bank Ltd সিনিয়র অফিসার (টেক্সটাইল) - 06.11.2020 গণিত

552

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A bus travelling at a speed of 5 km/hour, takes 3 hours to complete a distance. If it takes 4 hours to complete the same distance by your car, what is your speed ?

Created: 6 months ago | Updated: 4 months ago

24km/hour

40km/hour

3.75km/hour

None of these

Job Solution Janata Bank Ltd Janata Bank Ltd - Senior Officer (IT) - 29.01.2016 গণিত

555

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A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?

Created: 6 months ago | Updated: 4 months ago

1ml

1.5ml

2.5ml

6ml

Job Solution Janata Bank Ltd Janata Bank Ltd - Senior Officer (IT) - 29.01.2016 গণিত

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Related Questions

It takes 10 days for 4 boys to complete a piece of work. The same work can be completed by 7 girls in 10 days. If 3 boys and 5 girls work in together, approximately how many days will they need to complete the work ?

When the speed is increased by 4 miles per hour, it takes for our less to cover a distance of 32 km. Find the previous speed.

A bus travelling at a speed of 5 km/hour, takes 3 hours to complete a distance. If it takes 4 hours to complete the same distance by your car, what is your speed ?

A mixture contains 2/5 of element A and 3/5 of element B. When 5ml of A is added to the mixture, the proportion of B in the mixture changes to 1/5. What amount of A was originally present in the mixture before the addition was made ?