12 marbles are selected at random form a large collection of white , red, green and yellow marbles . The number of marbles of each color is unlimited. Find the probability that the selection contains at least one marble of each color ?

Created: 2 months ago | Updated: 3 weeks ago

\frac{34}{91}

\frac{23}{31}

\frac{36}{91}

\frac{33}{91}

Job Solution Combined Bank (সমন্বিত ব্যাংক) Sonali, Rupali, Bangladesh Krishi, Rajshahi krishi unnayn,Investment Corporation of Bangladesh | 30.11.2018 গণিত

746

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In a business A and C invested amounts in the ratio 2 : 1 whereas A and B invested amounts in the ratio 3 : 2 . If their annual profit be Tk. 157300, then B's share in the profit is

Created: 2 months ago | Updated: 3 weeks ago

Tk. 24200

Tk. 48000

Tk. 48400

Job Solution Combined Bank (সমন্বিত ব্যাংক) Officer (Cash) -Sonali Bank | BD Development | BD Krishi Bank - 12.10.2018 গণিত

443

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A Number is as much greater than 36 as is less than 86 . Find the Numbers.

Created: 2 months ago | Updated: 3 weeks ago

৬৮

৬১

৭৩

Job Solution Combined Bank (সমন্বিত ব্যাংক) Two Combined Bank Recruitment Test - Officer 28.09.2018 গণিত

351

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Kiran purchased a scooter for Tk.52000. He sold it at loss of 10%. With that money he purchased another scooter and sold it at profit of 20%. What is his overall loss profit?

Created: 2 months ago | Updated: 2 weeks ago

tk.2060 profit

tk.2560 loss

tk.1340 loss

tk.4160 profit

Job Solution Combined Bank (সমন্বিত ব্যাংক) অফিসার (ক্যাশ) নিয়োগ পরীক্ষা- ১২-১০-২০১৮ গণিত

452

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The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees.

Created: 2 months ago | Updated: 2 weeks ago

৩৫

৩০

৩২

Job Solution Combined Bank (সমন্বিত ব্যাংক) Officer (Cash) -Sonali Bank | BD Development | BD Krishi Bank - 12.10.2018 গণিত

654

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If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days , how much will A get if both work together and are paid Tk. 180 in all?

Created: 2 months ago | Updated: 2 weeks ago

Tk. 60

Tk. 120

Tk. 90

Tk. 180

Job Solution Combined Bank (সমন্বিত ব্যাংক) Two Combined Bank Recruitment Test - Officer 28.09.2018 গণিত

412

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12 marbles are selected at random form a large collection of white , red, green and yellow marbles . The number of marbles of each color is unlimited. Find the probability that the selection contains at least one marble of each color ?

Related Questions

In a business A and C invested amounts in the ratio 2 : 1 whereas A and B invested amounts in the ratio 3 : 2 . If their annual profit be Tk. 157300, then B's share in the profit is

A Number is as much greater than 36 as is less than 86 . Find the Numbers.

Kiran purchased a scooter for Tk.52000. He sold it at loss of 10%. With that money he purchased another scooter and sold it at profit of 20%. What is his overall loss profit?

The average age of a group of 15 employees is 24 years. If 5 more employees join the group, the average age increases by 2 years. Find the average age of the new employees.

If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days , how much will A get if both work together and are paid Tk. 180 in all?