In one hour, a boat goes 11 km along the stream and 5 km against the stream. The speed of the boat in still water (in km/hr) is :

Created: 9 months ago | Updated: 3 months ago

৮

৯

Job Solution Probashi Kallyan Bank Probashi Kallyan Bank - Senior Officer - 14.02.2014 গণিত

379

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A certain class is divided into two section A and B of equal numbr of students. If the ratio of girls to buys for whole class is 3/5 and the ration of girls to boys in section A is 5/7. What is the ratio o fgirls to biys in section B?

Created: 9 months ago | Updated: 3 months ago

3 to 1

2 to 1

1 to 3

1 to 2

Job Solution Probashi Kallyan Bank প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021 গণিত

2471

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Given that $1^{2} + 2^{2} + 3^{2} . . . . . + 10^{2} = 385, w h a t i s t h e v a l u e o f 3^{2} + 6^{2} + 9^{2} + . . . . . 30^{2} ?$

Created: 9 months ago | Updated: 3 months ago

1,155

১,৫৪০

1,925

3,465

Job Solution Probashi Kallyan Bank প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021 গণিত

2487

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Roni can walk a certain distance in 410 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as face and rest tvwice as long each day?

Created: 9 months ago | Updated: 3 months ago

35 days

55 days

100 days

80 days

Job Solution Probashi Kallyan Bank Officer (Cash)-25-09-2021 গণিত

1820

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If x-y=3 then what is the value of $x^{3} - y^{3} - 9 x y ?$

Created: 9 months ago | Updated: 3 months ago

১৮

২৭

Job Solution Probashi Kallyan Bank Officer (Cash)-25-09-2021 গণিত

1806

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A takes twice as much time as B or thrice as much time as C to finish a piece of work Working together, they can finis the work Working together , they can finish teh work in 2 days . B can do the work alone in -

Created: 9 months ago | Updated: 3 months ago

4 days

8 days

6 days

12 days

Job Solution Probashi Kallyan Bank এসিস্ট্যান্ট এক্সিকিউটিভ অফিসার (ক্যাশ) ০১. ১১. ২০১৯ গণিত

2687

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Related Questions

A certain class is divided into two section A and B of equal numbr of students. If the ratio of girls to buys for whole class is 3/5 and the ration of girls to boys in section A is 5/7. What is the ratio o fgirls to biys in section B?

Given that 12+22+32.....+102=385, what is the value of 32+62+92+.....302?

Roni can walk a certain distance in 410 days when he rests 9 hours a day. How long will be take to walk twice the distance, twice as face and rest tvwice as long each day?

If x-y=3 then what is the value of x3-y3-9xy?

A takes twice as much time as B or thrice as much time as C to finish a piece of work Working together, they can finis the work Working together , they can finish teh work in 2 days . B can do the work alone in -

Given that $1^{2} + 2^{2} + 3^{2} . . . . . + 10^{2} = 385, w h a t i s t h e v a l u e o f 3^{2} + 6^{2} + 9^{2} + . . . . . 30^{2} ?$

If x-y=3 then what is the value of $x^{3} - y^{3} - 9 x y ?$