IMO- Mathematics Olympiad Class 10: Questions 347 - 352 of 908

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 908 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 347

» Coordinate Geometry

MCQ▾

Question

What will be the area of the rhombus ±by±c=0 ?

Choices

Choice (4) Response

a.

4c2ab

b.

c2ab

c.

2c2ab

d.

3c2ab

Question number: 348

» Statistics & Probability

MCQ▾

Question

The mean of 20 observations is 30 . By error, one observation was noted as 32 was misread as 42. Then the correct mean is ________

Choices

Choice (4) Response

a.

26.5

b.

28.3

c.

29.5

d.

21.5

Question number: 349

» Statistics & Probability

MCQ▾

Question

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.

75kmhr

b.

72kmhr

c.

30kmhr

d.

70kmhr

Question number: 350

» Triangle, Circle & Constructions

MCQ▾

Question

In the figure ABC~DCB , then AB×DB is ________

Given the figure triangle ABC is similar to Triangle DCB

Given the Figure Triangle ABC Is Similar to Triangle DCB

Given the figure triangle ABC is similar to Triangle DCB in adjoining figure

Choices

Choice (4) Response

a.

OB×OC

b.

OA×OD

c.

DC×AC

d.

AB×DC

Question number: 351

» Coordinate Geometry

MCQ▾

Question

In what ratio is the line segment joining the points (5,7)and(3,6) is divided by Y-axis?

Choices

Choice (4) Response

a.

3: 5

b.

3: 2

c.

5: 3

d.

2:3

Question number: 352

» Statistics & Probability

MCQ▾

Question

A die is thrown once. The probability of getting a number 3 or 4 is ________

Choices

Choice (4) Response

a.

0

b.

23

c.

1

d.

13

f Page
Sign In