$\sin^{- 1} x + \sin^{- 1} y = \frac{π}{2}$ হলে, $x^{2} + y^{2} = ?$

Created: 10 months ago | Updated: 2 months ago

০

1

2

3

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222

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A club had 3 boys and 5 girls. During a membership drive, the same number of boy and girls joined the club. How many members does the club have now , if the ratio of the boys to girls is 3:4?

Created: 4 months ago | Updated: 2 months ago

12

14

১৬

২১

২৮

Admission খুলনা বিশ্ববিদ্যালয় ক ইউনিট উচ্চতর গণিত

375

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On a certai project, the only grades awarded were 745 and 100. If 85 students completed the projects and the average of their grades was 85, how many of them did score 100?

Created: 4 months ago | Updated: 2 months ago

৩৪

40

45

51

60

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269

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A steel mill produces 180 tons of steel per month Raw materials cost for each ton of production is Tk. 1200. Other expenses of that mill are Tk. 90,000 in each month what should be the selling price of each ton of steel in order to make 10% profit?

Created: 4 months ago | Updated: 2 months ago

১৮৭০

১৮৪৫

1842

18145

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331

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In a survey of the town bogra , it was found that 65% of the people surveyed watched the news on TV, 40% read a newspaper and watched the news on TV, what percentage of the people surveyed neither watched the news on V nor read a newspaper?

Created: 4 months ago | Updated: 2 months ago

৬%

৫%

১০%

15%

২০%

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303

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If the radius of a circle is increased by 6% , then the area of the circle is increased by-

Created: 4 months ago | Updated: 2 months ago

3.6%

6.5%

12.36%

৩০%

36%

Admission খুলনা বিশ্ববিদ্যালয় ক ইউনিট উচ্চতর গণিত

373

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