Seats for Mathematics, physics and Biology in a school are in the ratio 5: 7: 8. There is a proposal to increases these seats by 40% , 50% and 75% respectively , what will be the ratio of increased seats?

Created: 8 months ago | Updated: 3 months ago

6:7:8

6:8:9

2:3:4

none of them

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

509

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Four staff members at a certain company worked on a project. The amounts of time that the furn staff members worked on the project were in the ratio 3 to 4 5 to 6 . If one of the four staff members worked on the project for 60 hours, which of the following CANNOT be the total number of hours that the four staff members worked on the project ?

Created: 8 months ago | Updated: 3 months ago

৫৪০

270

১৮০

288

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

516

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One-fifth of the batteries produced by an upstart factory are defective and one -quarter of all batteries produced are rejected by the quality control technician. If one-tenth of the non-defective batteries are rejected by mistake and if all the batteries not rejected are sold, then what percent of the batteries sold by the factory are defective?

Created: 8 months ago | Updated: 3 months ago

৪%

৩%

৬%

৫%

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

549

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A travel company wants to charter to plane to the Bahamas. Chartering the plane costs $ 8,000 . So far 18 people have signed up for the trip. If the company charges $300 per ticket , how many more passengers must sing up for the trip before the company can make any profit on the charter ?

Created: 8 months ago | Updated: 3 months ago

৭

৯

১৩

১৮

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

339

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A restaurant orders 150 kg of pumpkins from the farmer's market. The farmer fills the order with 23 pumpkins. The average mass of the first 20 pumpkins is 6.5 kg. What must be the minimum average mass of the remaining 3 pumpkins to fill the order?

Created: 8 months ago | Updated: 3 months ago

5.5 kg

5.67 kg

6.67 kg

7.33 kg

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

350

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A grocer has 400 pounds of coffee in stock, 20 percent of which is decaffeinated. If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight, of the grocer's stock of coffee is decaffeinated?

Created: 8 months ago | Updated: 3 months ago

৩০%

28%

34%

25%

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

339

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Related Questions

A travel company wants to charter to plane to the Bahamas. Chartering the plane costs $ 8,000 . So far 18 people have signed up for the trip. If the company charges $300 per ticket , how many more passengers must sing up for the trip before the company can make any profit on the charter ?

A restaurant orders 150 kg of pumpkins from the farmer's market. The farmer fills the order with 23 pumpkins. The average mass of the first 20 pumpkins is 6.5 kg. What must be the minimum average mass of the remaining 3 pumpkins to fill the order?

A grocer has 400 pounds of coffee in stock, 20 percent of which is decaffeinated. If the grocer buys another 100 pounds of coffee of which 60 percent is decaffeinated, what percent, by weight, of the grocer's stock of coffee is decaffeinated?