A is twise as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the ork is.

Created: 9 months ago | Updated: 3 months ago

20 days

21 days

22 days

24 days

Job Solution Combined Bank (সমন্বিত ব্যাংক) Senior Officer- 8 Bank Recruitment Test 31-08-2018 গণিত

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Let, B does x unit per day

Then,A does 2x unit per day

A& B together works 16 day for the whole work

A&B together works 1 day for the 1/16 part of work

So, 3x=1/16

x= 1/48 so,B do the work in 48 days

2X=1/24 So, A do the work in 24 days

1 year ago

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ভোলাহাট

Best Description

Let, B does x unit per day

Then,A does 2x unit per day

A& B together works 16 day for the whole work

A&B together works 1 day for the 1/16 part of work

So, 3x=1/16

x= 1/48 so,B do the work in 48 days

2X=1/24 So, A do the work in 24 days

1 year ago

1 0

ভোলাহাট

Two circles of equal radii touch externally at a point P . Form a point T on the target at P target TQ and TR are drawn to the circles with points of contact Q and R respectively. The relations of TQ and TR is

Created: 9 months ago | Updated: 3 months ago

T = TR

TQ> TR

TQ = TR

TQ = 2 Tk.

Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali & Janata Bank | Officer (IT)| 04.01.2019 গণিত

1626

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A person rides a bicycle round a circular path of radius 50 m. The radious of the wheel of the bicycle is 50 cm. The cycle comes to the starting point for the first time in 1 hour. what is the number of revolutions of the revolutions of the wheel in 15 minutes?

Created: 9 months ago | Updated: 3 months ago

৩০

৩৫

Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali & Janata Bank | Officer (IT)| 04.01.2019 গণিত

1784

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In covering a certain distance , the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is :

Created: 9 months ago | Updated: 3 months ago

1.0 hour

1.5 hours

2.0 hours

2.5 hours

Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali & Janata Bank | Officer (IT)| 04.01.2019 গণিত

1625

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Two lots of onions with equal quantity, one costing Tk. 10 per kg and the other costing Tk. 15 per kg are mixed together and whole lot is sold at Tk. 15 per kg . What is the profit or loss?

Created: 9 months ago | Updated: 3 months ago

10% loss

10 % profit

20% loss

20% profit

Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali & Janata Bank | Officer (IT)| 04.01.2019 গণিত

2740

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A and B are partners in a business A contributes 1/4 of the capital for 15 months and B receives 2.3 of the profit . Find for how long B's money was used.

Created: 9 months ago | Updated: 3 months ago

6 months

8 months

10 months

12 months

Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali & Janata Bank | Officer (IT)| 04.01.2019 গণিত

782

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Related Questions

Two circles of equal radii touch externally at a point P . Form a point T on the target at P target TQ and TR are drawn to the circles with points of contact Q and R respectively. The relations of TQ and TR is

A person rides a bicycle round a circular path of radius 50 m. The radious of the wheel of the bicycle is 50 cm. The cycle comes to the starting point for the first time in 1 hour. what is the number of revolutions of the revolutions of the wheel in 15 minutes?

In covering a certain distance , the speeds of A and B are in the ratio of 3 : 4. A takes 30 minutes more than B to reach the destination. The time taken by A to reach the destination is :

Two lots of onions with equal quantity, one costing Tk. 10 per kg and the other costing Tk. 15 per kg are mixed together and whole lot is sold at Tk. 15 per kg . What is the profit or loss?

A and B are partners in a business A contributes 1/4 of the capital for 15 months and B receives 2.3 of the profit . Find for how long B's money was used.