IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 517 - 524 of 1040

Access detailed explanations (illustrated with images and videos) to 1040 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 517

» Exponents and Powers

Edit
MCQ▾

Question

The value of is________.

Choices

Choice (4)Response

a.

7

b.

c.

1

d.

9

Question number: 518

» Direct and Inverse Proportions

Edit
MCQ▾

Question

For a group of 20 students food lasts for 55 days. For how many days will the same food last for 50 students?

Choices

Choice (4)Response

a.

21 days

b.

12 days

c.

22 days

d.

11 days

Question number: 519

» Exponents and Powers

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match the following provided that and are any rational numbers different from zero and, are any rational numbers.

List-Ⅰ (Terms with Same Base Different Exponents)List-Ⅱ (Uses of Basic Exponent Rule)

(A)

(i)

(B)

(ii)

(C)

(iii)

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)

a.

  • (i)
  • (ii)
  • (iii)

b.

  • (ii)
  • (iii)
  • (i)

c.

  • (iii)
  • (ii)
  • (i)

d.

All of the above

Question number: 520

» Direct and Inverse Proportions

Edit
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.

30 days

c.

20 days

d.

25 days

Question number: 521

» Direct and Inverse Proportions

Edit
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.

25 days

b.

10 days

c.

15 days

d.

20 days

Question number: 522

» Exponents and Powers

Edit
MCQ▾

Question

The value of is________.

Choices

Choice (4)Response

a.

4

b.

1

c.

2

d.

5

Question number: 523

» Exponents and Powers

Edit
MCQ▾

Question

If , then is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 524

» Exponents and Powers

Edit
MCQ▾

Question

The standard form of 12650000 is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: