IMO- Mathematics Olympiad Class 10: Questions 480 - 484 of 889

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Question number: 480

» Triangle, Circle & Constructions

MCQ▾

Question

In equilateral PQR, PD is altitude. Then 4PD2 equals ________

Given the equilateral triangle PQR and PD is an altitude

Given the Equilateral Triangle PQR and PD Is an Altitude

Given the equilateral triangle PQR and PD is an altitude then find the four times PD square value

Choices

Choice (4) Response
a.

2QD2

b.

QR2

c.

2DR2

d.

3PQ2

Question number: 481

» Statistics & Probability

MCQ▾

Question

The average temperatures of Monday, Tuesday, Wednesday and Thursday was 50 . The average temperature of Tuesday, Wednesday, Thursday and Friday was 60 . If the temperature on Monday was 40 , then the temperature on Friday was ________.

Choices

Choice (4) Response
a.

50

b.

60

c.

80

d.

63

Question number: 482

» Statistics & Probability

MCQ▾

Question

Two dice are thrown simultaneously. The probability of getting a doublet or a total of 4 is ________

Choices

Choice (4) Response
a.

59

b.

37

c.

49

d.

29

Question number: 483

» Statistics & Probability

MCQ▾

Question

The king, queen and jack of Spades are removed from a deck of 52 playing cards and then well-shuffled. One card is selected from the remaining cards. The probability of getting a Spades is ________

Choices

Choice (4) Response
a.

149

b.

1049

c.

349

d.

1349

Question number: 484

» Statistics & Probability

MCQ▾

Question

The average of 15 results is 50. If the average of the first six results is 82 and that of the last six is 62, then the sixth result is ________

Choices

Choice (4) Response
a.

57

b.

58

c.

59

d.

60

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