IMO- Mathematics Olympiad Class 10: Questions 342 - 346 of 958

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Question number: 342

» Statistics & Probability

MCQ▾

Question

A Jar contains 20 marbles of two different colours, out of which x are Blue. One Marble is drawn at random. If 10 more blue marbles are put in the jar, the probability of drawing a blue marbles now will be double that of the previous probability of drawing a blue marbles. Then, the value of x is ________

Choices

Choice (4) Response

a.

5

b.

8

c.

2

d.

9

Question number: 343

» Statistics & Probability

MCQ▾

Question

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 344

» Statistics & Probability

MCQ▾

Question

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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 345

» Coordinate Geometry

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 346

» Statistics & Probability

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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