IMO- Mathematics Olympiad Class 10: Questions 365 - 370 of 889

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Question number: 365

» Statistics & Probability

MCQ▾

Question

The mean weight of a class of 39 students is 50 kg. if the weight of the teacher is included, the mean rises by 500 g. Then the weight of the teacher is ________

Choices

Choice (4) Response

a.

65 kg

b.

44 kg

c.

70 kg

d.

95 kg

Question number: 366

» Statistics & Probability

MCQ▾

Question

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.

54kmhr

b.

62kmhr

c.

74kmhr

d.

84kmhr

Question number: 367

» Coordinate Geometry

MCQ▾

Question

Points (3,4),(6,4),(6,4)and(3,4) are joined to form a quadrilateral. What will be the structure of quadrilateral?

Choices

Choice (4) Response

a.

Trapezoid

b.

Diamond

c.

Plaque

d.

Pentagon

Question number: 368

» Coordinate Geometry

MCQ▾

Question

If P(1,3),Q(5,a)andR(3,1) are the vertices of a right angle triangle, right angle at P, then a is ________

Choices

Choice (4) Response

a.

5

b.

9

c.

2

d.

7

Question number: 369

» Statistics & Probability

MCQ▾

Question

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.

125

b.

113

c.

512

d.

165

Question number: 370

» Statistics & Probability

MCQ▾

Question

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

Choices

Choice (4) Response

a.

13

b.

16

c.

34

d.

12

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