If x:y =5:3 , then (8x-5y) : (8x +5y) =?

Created: 5 months ago | Updated: 2 months ago

5 : 11

৬ : ৫

5 : 6

3 : 8

Job Solution Bangladesh Bank অফিসার (সাধারণ) ২৭.১২. ২০১৯ গণিত

410

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The length of a rectangle is increased by 25% . By what percentage should the width be decreased so that the area of the rectangle remains unchanged ?

Created: 4 months ago | Updated: 2 months ago

৩০%

25%

২০%

৩৫%

none of them

Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2012 গণিত

433

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A father is 32 years older than the son. In 7 years the father's age will be 5 years more than twice that of the son. The age of the father, 3 years from now , will be

Created: 4 months ago | Updated: 2 months ago

45 years

55 years

65 years

75 years

85 years

Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2006 গণিত

796

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If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased?

Created: 4 months ago | Updated: 2 months ago

50%

100%

200%

300%

Job Solution Bangladesh Bank বাংলাদেশ ব্যাংক || অফিসার (ক্যাশ) (21-07-2023) গণিত

332

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Robi takes 3 minutes to inspect a car , and Sashi takes 4 minutes to inspect a car . If they both start inspecting different cars at 8:30 AM, what would be the ratio of the number of cars inspected by Robi and Sashi by 8:54 AM of the same day ?

Created: 4 months ago | Updated: 2 months ago

3:2

4:3

2:6

8:12

none of them

Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2012 গণিত

722

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The price elasticity is -0.71 means

Created: 4 months ago | Updated: 2 months ago

an increase in price by TK. 1 increase the demand by TK. 0.71

an increase in price by 1% reduces the demand by TK. 0.71%

an increase in price by TK. 0.71 reduces the demand by TK. 1

an inrease in price by TK. 0.71% increase the demand by 1%

a decrease in demand by 0.71% reduces the price by TK. 1

Job Solution Bangladesh Bank Bangladesh Bank - Assistant Director - 2006 গণিত

515

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If x:y =5:3 , then (8x-5y) : (8x +5y) =?

Related Questions

The length of a rectangle is increased by 25% . By what percentage should the width be decreased so that the area of the rectangle remains unchanged ?

A father is 32 years older than the son. In 7 years the father's age will be 5 years more than twice that of the son. The age of the father, 3 years from now , will be

If a rectangle's length and width are both doubled, by what percent is the rectangle's area increased?

Robi takes 3 minutes to inspect a car , and Sashi takes 4 minutes to inspect a car . If they both start inspecting different cars at 8:30 AM, what would be the ratio of the number of cars inspected by Robi and Sashi by 8:54 AM of the same day ?

The price elasticity is -0.71 means