IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 486 - 493 of 1025

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Question 486

Question MCQ▾

Find the area of the quadrilateral, the coordinates of whose angular points taken in order are .

Choices

Choice (4)Response

a.

184

b.

115

c.

146

d.

712

Edit

Question 487

Question MCQ▾

The mean of 10 observations is . if each observation is multiplied by 4, then what is the new mean?

Choices

Choice (4)Response

a.

60

b.

50

c.

70

d.

30

Edit

Question 488

Question MCQ▾

The mean of 9 observations is 36. If the mean of the first 5 observations is 32 and that of the last 5 observations is 39, then the fifth observation is ________

Choices

Choice (4)Response

a.

37

b.

28

c.

43

d.

31

Edit

Question 489

Question MCQ▾

is three vertices of the parallelogram WXYZ. The coordinates of fourth vertex is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 490

Question MCQ▾

If the Points are collinear then which of the following is true?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 491

Question MCQ▾

The vertices of are . If AD is angle bisector, where D meets on BC, then coordinates of D are ________

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 492

Question MCQ▾

In the figure, is isosceles. Then ________

Given the Triangle ABC is Isosceles Triangle

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 493

Question MCQ▾

A card is drawn from a packet of 200 cards numbered 1 to 200. The probability of drawing a number which is a thrice is ________

Choices

Choice (4)Response

a.

b.

c.

d.

Edit