IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 330 - 335 of 968

Access detailed explanations (illustrated with images and videos) to 968 questions. Access all new questions- tracking exam pattern and syllabus. View the complete topic-wise distribution of questions. Unlimited Access, Unlimited Time, on Unlimited Devices!

View Sample Explanation or View Features.

Rs. 450.00 -OR-

How to register? Already Subscribed?

Question 330

Question

MCQ▾

A number 20 is divided into four parts that are in A. P. such that the product of the first and fourth is to the product of the second and third is . Find the largest part.

Choices

Choice (4)Response

a.

4

b.

8

c.

9

d.

12

Question 331

Question

MCQ▾

The number of terms common between the two series Up to 50 terms and the series up to 60 terms is ________

Choices

Choice (4)Response

a.

26

b.

24

c.

25

d.

20

Question 332

Question

MCQ▾

The mean of 12 observations is . By error, one observation was noted as was misread as 21. Then the correct mean is ________

Choices

Choice (4)Response

a.

29.25

b.

28.25

c.

23.25

d.

27.25

Question 333

Question

MCQ▾

Four vertices of a parallelogram taken in order are . What will be the ratio of a and b?

Choices

Choice (4)Response

a.

13: 14

b.

12: 13

c.

13: 12

d.

14: 17

Question 334

Question

MCQ▾

A bag contains 10 balls of two different colours, out of which x are cyan. One ball is drawn at random. If 20 more cyan balls are put in the bag, the probability of drawing a cyan ball now will be double that of the previous probability of drawing a cyan ball. Then, the value of x is ________

Choices

Choice (4)Response

a.

5

b.

9

c.

8

d.

4

Question 335

Question

MCQ▾

The area of triangle formed by the points is 60 units. How many values of p are possible?

Choices

Choice (4)Response

a.

b.

c.

d.