IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 251 - 256 of 931
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Question 251
Question
MCQ▾The area of an isosceles triangle having base 32 cm and one side 20 cm is________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 252
Question
MCQ▾A circular park of 20 metre diameter has a circular path just inside the boundary of width 1 metre. The area of path is ________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 253
Question
MCQ▾What is the point of concurrency of the perpendicular bisectors in a triangle called ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Centroid | |
b. | Incentre | |
c. | Orthocentre | |
d. | Circumcentre | |
Question 254
Question
MCQ▾A covered wooden box has the inner measures as 115 cm, 75 cm, 35 cm and the thickness of wood is 2.5 cm. Then the volume of the wood is________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 80,000 cu. Cm | |
b. | 82,125 cu. Cm | |
c. | 85,000 cu. Cm | |
d. | 84,000 cu. Cm | |
Question 255
Question
MCQ▾A triangle and a parallelogram are equal in area. They also have the same altitude. If the base of the triangle is 22 inches, the area of the trapezoid is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 19 inches | |
b. | 11 inches | |
c. | Not obtainable from these data | |
d. | 2 inches | |
Question 256
Question
MCQ▾In the figure, PQRS is a square. A line segment SX cuts the side QR at X and the diagonal PR at O such that , then y = ________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||