IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 343 - 349 of 968

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Question 343

Question

MCQ▾

The king, queen and jack of clubs 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 club is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 344

Question

MCQ▾

When two dice are thrown, the probability of getting a number always greater than 4 on the second dice is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 345

Question

MCQ▾

In a , coordinates of A are and the equations of the medians through B and C are and respectively, so the coordinates of B and C are ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 346

Question

MCQ▾

Two dices are thrown simultaneously. The probability of getting sum of atleast 11 is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Question 347

Question

MCQ▾

What will be the area of the rhombus ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 348

Question

MCQ▾

The mean of 20 observations is . By error, one observation was noted as was misread as 42. Then the correct mean is ________

Choices

Choice (4)Response

a.

21.5

b.

28.3

c.

29.5

d.

26.5

Question 349

Question

MCQ▾

A Motor maintains an average speed of 60 km/hr while going from P to Q and maintains an average speed of 90 km/hr while coming back from Q to P. the average speed of the motor is ________.

Choices

Choice (4)Response

a.

b.

c.

d.