| 11 |
To compete with Santro, Maruti has decided to launch a low budget car. This car can move at a speed of 66 km/h and a wheel must take 250 revolutions per minute. Then decide the possible measure of diameter of the wheel.
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Answer:
Option (a) |
| 12 |
A 7 m wide path is to be made around a circular garden having a diameter of 7 m. What will be the area of the path in square meter?
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Answer:
Option (c) |
| 13 |
A cylinder whose base of circumference is 6 m can roll at a rate of 3 rounds per second. How much distance will the cylinder cover in 9 seconds?
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Answer:
Option (b) |
| 14 |
A horse is tied at the corner of a rectangular field whose length is 20m and width is 16m, with a rope whose length is 14m. Find the area which the horse can graze.
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Answer:
Option (b) |
| 15 |
A man runs round a circular field of radius 50 m at the speed of 12 km/hr. What is the time taken by the man to take twenty rounds of the field?
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Answer:
Option (d) |
| 16 |
A rectangular plot of grass is 50m long and 40m broad. From the center of each side a path of 3m wide goes across the center of the opposite side. Find the area of path.
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Answer:
Option (d) |
| 17 |
A square park has a 2m wide cross road in middle of it. If the side of park is 100m then find the remaining area of the park.
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Answer:
Option (d) |
| 18 |
Find the cost of a cylinder of radius 14m and height 3.5m when the cost of its metal is Rs.50 per cubic meter.
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Answer:
Option (b) |
| 19 |
How many small cubes, each of 96 cm surface area, can be formed from the material obtained by melting a larger cube of 384 cm surface area?
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Answer:
Option (a) |
| 20 |
If a square, circle and rectangle have same perimeter then which one of them has the maximum area?
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Answer:
Option (b) |
