IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 366 - 372 of 968

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Question 366

Question

MCQ▾

A Bus maintains an average speed of 50 km/hr while going from A to B and maintains an average speed of 80 km/hr while coming back from B to A. the average speed of the bus is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 367

Question

MCQ▾

Points are joined to form a quadrilateral. What will be the structure of quadrilateral?

Choices

Choice (4)Response

a.

Plaque

b.

Diamond

c.

Pentagon

d.

Trapezoid

Question 368

Question

MCQ▾

If are the vertices of a right angle triangle, right angle at P, then a is ________

Choices

Choice (4)Response

a.

7

b.

2

c.

9

d.

5

Question 369

Question

MCQ▾

A bag contains 5 Green, 4 Aqua, 9 Blue and 6 purple marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is Aqua or Purple, is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 370

Question

MCQ▾

In a single throws of a die, the probability of getting a multiple of 3 is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 371

Question

MCQ▾

J, K and L are respectively the mid-points of sides XY, YZ and XZ of . Find the ratio of the area of .

Given the Two Triangles XYZ and JKL

Choices

Choice (4)Response

a.

1: 4

b.

3: 5

c.

2: 7

d.

2: 3

Question 372

Question

MCQ▾

If occur with frequencies respectively, then the arithmetic mean is ________

Choices

Choice (4)Response

a.

120

b.

125

c.

115

d.

111