IMO- Mathematics Olympiad (SOF) Class 8: Questions 520 - 527 of 1029

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 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: 520

» Direct and Inverse Proportions

MCQ▾

Question

can do a piece of work in 60 days. He works at it for 10 days and then alone finishes the work in 42 days. The two together could have completed the work in ________.

Choices

Choice (4) Response

a.

22 days

b.

20 days

c.

30 days

d.

25 days

Question number: 521

» Direct and Inverse Proportions

MCQ▾

Question

For a group of 15 students food lasts for 50 days. For how many days will the same food last for 75 students?

Choices

Choice (4) Response

a.

15 days

b.

25 days

c.

10 days

d.

20 days

Question number: 522

» Exponents and Powers

MCQ▾

Question

The value of is________.

Choices

Choice (4) Response

a.

4

b.

5

c.

2

d.

1

Question number: 523

» Exponents and Powers

MCQ▾

Question

If , then is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 524

» Exponents and Powers

MCQ▾

Question

The standard form of 12650000 is________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 525

» Direct and Inverse Proportions

MCQ▾

Question

If and, then the value of is ________.

Choices

Choice (4) Response

a.

8

b.

6

c.

9

d.

10

Question number: 526

» Direct and Inverse Proportions

MCQ▾

Question

The weight of a 12 m long iron rod is 20.5 kg. The weight of 5 m long of such rod will be________.

Choices

Choice (4) Response

a.

8 kg

b.

9 kg

c.

8.54 kg

d.

9.5 kg

Question number: 527

» Direct and Inverse Proportions

MCQ▾

Question

The weight of a 15 m long iron rod is 25 kg. The weight of 10 m long of such rod will be________.

Choices

Choice (4) Response

a.

18 kg

b.

16 kg

c.

16.6 kg

d.

18.54 kg

f Page
Sign In