Rakib can complete a task in 30 minutes, and together with his brother Momin, he can complete the task in 20 minutes. How long would it take for Momin working alone to complete the task?

Created: 4 months ago | Updated: 2 months ago

30 minutes

40 minutes

50 minutes

60 minutes

None of these

Job Solution Exim Bank Ltd Exim Bank Ltd - Trainee Officer - 29.05.2015 গণিত

729

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Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?

Created: 4 months ago | Updated: 2 months ago

1:2

2:3

3:4

৪:৫

None of these

Job Solution Exim Bank Ltd Exim Bank Ltd - Senior Officer - 30.12.2011 গণিত

789

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In the last week of a month, a car dealer sold 12 cars. A new sales promotion came out the first week of the next month and he sold 19 cars that week. what was the percent increase in sales from the last week of the previous month compared to the first of the next month?

Created: 4 months ago | Updated: 2 months ago

58%

119%

158%

200%

None of these

Job Solution Exim Bank Ltd Exim Bank Ltd - Senior Officer - 30.12.2011 গণিত

554

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Jesmin spent one-third of her money on books and half of the remaining money on clothing. she then spent three-fourths of what she had left on food. She had 500 left over. How much money did she start with?

Created: 4 months ago | Updated: 2 months ago

Tk. 6000

Tk. 8000

TK. 12000

TK. 1600

None of these

Job Solution Exim Bank Ltd Exim Bank Ltd - Senior Officer - 30.12.2011 গণিত

443

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An instrument store gives a 10% discount to all students of the original cost of an instrument. During a school sale an additional 15% is taken off the discounted price. Rahim, a student at the local high school, purchases a flute for Tk 306. How much did it originally cost?

Created: 4 months ago | Updated: 2 months ago

Tk 400

Tk 408

Tk 375

Tk 425

None of these

Job Solution Exim Bank Ltd Exim Bank Ltd - Senior Officer - 30.12.2011 গণিত

393

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If the average of 11,17,x, and y is 19, what is the average of (x+50) and (y-7)?

Created: 4 months ago | Updated: 2 months ago

২১

None of these

Job Solution Exim Bank Ltd Exim Bank Ltd - Senior Officer - 30.12.2011 গণিত

606

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Rakib can complete a task in 30 minutes, and together with his brother Momin, he can complete the task in 20 minutes. How long would it take for Momin working alone to complete the task?

Related Questions

Two different schools, A and B, have the same number of students. The ratio of the boys in school A and the boys in school B is 2:1 and the ratio of the girls in school A and the girls in school B is 4:5. What is the ratio of the boys in school A to the girls in school A?

In the last week of a month, a car dealer sold 12 cars. A new sales promotion came out the first week of the next month and he sold 19 cars that week. what was the percent increase in sales from the last week of the previous month compared to the first of the next month?

Jesmin spent one-third of her money on books and half of the remaining money on clothing. she then spent three-fourths of what she had left on food. She had 500 left over. How much money did she start with?

An instrument store gives a 10% discount to all students of the original cost of an instrument. During a school sale an additional 15% is taken off the discounted price. Rahim, a student at the local high school, purchases a flute for Tk 306. How much did it originally cost?

If the average of 11,17,x, and y is 19, what is the average of (x+50) and (y-7)?