IMO- Mathematics Olympiad Class 6: Questions 642 - 648 of 1049
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Question number: 642
Question
The length of a rectangle is of its breadth. If its area is 72 , its perimeter will be
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 12 m |
|
| b. | 24 m |
|
| c. | 56 m |
|
| d. | 36 m |
|
Question number: 643
Question
Which of the following is true?
(i) A sector is the region in the interior of a circle enclosed by an arc on one side and a pair of radii on the other two sides.
(ii) A segment of a circle, is region in the interior of the circle enclosed by an arc and a chord.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | (i) & (ii) |
|
| b. | Only (i) |
|
| c. | Neither (i) nor (ii) |
|
| d. | Only (ii) |
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Question number: 644
Question
The number of tiles that are required to fill an area of 125 m by 215 m if each tile is of 5 cm by 25 cm, is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 230 |
|
| b. | 185 |
|
| c. | 215 |
|
| d. | 325 |
|
Question number: 645
Question
A student is making some cards for a project from a thick sheet of 112 cm by 198 cm if each card requires a piece of sheet of size 8 cm by 6 cm, is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 397 |
|
| b. | 414 |
|
| c. | 264 |
|
| d. | 462 |
|
Question number: 646
Question
Number of arcs made by a chord on a circle is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1 |
|
| b. | 3 |
|
| c. | 2 |
|
| d. | 4 |
|
Question number: 647
Question
A runner takes 3 rounds of a squared park of 300 dm. Then the total distance covered by him is
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 720 m |
|
| b. | 125 m |
|
| c. | 360 m |
|
| d. | 250 m |
|
Question number: 648
Question
Perimeter of a triangle is the sum of the lengths of all the ________ sides.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 |
|
| b. | 4 |
|
| c. | 6 |
|
| d. | 3 |
|