In a certain country a person is born every 7 seconds and a person dies every 13 seconds. Therefore, the birth and death rates account of a population growth rate of one person every-0

Created: 10 months ago | Updated: 5 months ago

4.5 seconds

6 seconds

15.17 seconds

20 seconds

None of these

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418

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If the side of a square increases by 40%, then the area of the square increases by-

Created: 10 months ago | Updated: 4 months ago

16%

96%

116%

140%

None of these

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639

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Towns A and C are connected by a straight highway which is 60 miles long. The straight-line distance between town A and town B is 50 miles, and the straight-line distance from town B to town C is 50 miles. How many miles is it from town B to the point on the highway connecting towns A and C which is closest to town B?

Created: 10 months ago | Updated: 4 months ago

৩০

None of these

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694

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In a group of people solicited by a charity, 30% contributed Tk 40, 45% contributed Tk 20 and the rest contributed Tk 2. If the charity received a total of Tk 300 from the people who contributed Tk 2, how much was contributed by the entire group?

Created: 10 months ago | Updated: 4 months ago

Tk 12600

Tk 25800

Tk 1200

Tk 12900

None of these

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606

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A car traveled 75% of the way from town A to town B at an average speed of 50 mph. The car travels at an average speed of S mph for there remaining part of the trip. The average speed for the entire trip was 40 mph. What is the value of S, in mph?

Created: 10 months ago | Updated: 4 months ago

৩০

১০

None of these

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864

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It takes Eric 20 minutes to inspect a car. John only needs 18 minutes to inspect a car. If they both start inspecting care at 8:00 am, what is the first time they will finish inspecting a car at the same time?

Created: 10 months ago | Updated: 4 months ago

9:30 am

10:30 am

11 am

2 pm

None of these

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981

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Related Questions

If the side of a square increases by 40%, then the area of the square increases by-

In a group of people solicited by a charity, 30% contributed Tk 40, 45% contributed Tk 20 and the rest contributed Tk 2. If the charity received a total of Tk 300 from the people who contributed Tk 2, how much was contributed by the entire group?

A car traveled 75% of the way from town A to town B at an average speed of 50 mph. The car travels at an average speed of S mph for there remaining part of the trip. The average speed for the entire trip was 40 mph. What is the value of S, in mph?

It takes Eric 20 minutes to inspect a car. John only needs 18 minutes to inspect a car. If they both start inspecting care at 8:00 am, what is the first time they will finish inspecting a car at the same time?