while working 7 hour a day , A alone can complete a piece of work in 6 days and B alone in 8 days . In what time would they complete it together , 8 hour a day?

Created: 4 months ago | Updated: 2 months ago

5 days

3 days

4 days

3.6 days

Job Solution Combined Bank (সমন্বিত ব্যাংক) সমন্বিত ৬ (ব্যাংক) ও ২ টি আর্থিক প্রতিষ্ঠান - সিনিয়র অফিসার ১০.০৬.২০১৯ গণিত

602

Add Description

A picnic attracts 240 persons. There are 20 more men than women and 20 more adults than children . How many men are at this picnic?

Created: 4 months ago | Updated: 2 months ago

250

৭৫

110

২০০

Job Solution Combined Bank (সমন্বিত ব্যাংক) Assit. Programmer | Sonali Bank, Rubali Bank, BD Krishi Bank - 16.11.2018 গণিত

873

Add Description

A ball and a bat costs 110 taka. The bat costs 100 taka more than the ball. How much does the ball cost ?

Created: 4 months ago | Updated: 2 months ago

১০

১৫

100

Job Solution Combined Bank (সমন্বিত ব্যাংক) Assit. Programmer | Sonali Bank, Rubali Bank, BD Krishi Bank - 16.11.2018 গণিত

885

Add Description

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: 4 months ago | Updated: 2 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

952

Add Description

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: 4 months ago | Updated: 2 months ago

৩০

৩৫

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

1089

Add Description

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: 4 months ago | Updated: 2 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

943

Add Description

while working 7 hour a day , A alone can complete a piece of work in 6 days and B alone in 8 days . In what time would they complete it together , 8 hour a day?

Related Questions

A picnic attracts 240 persons. There are 20 more men than women and 20 more adults than children . How many men are at this picnic?

A ball and a bat costs 110 taka. The bat costs 100 taka more than the ball. How much does the ball cost ?

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 :