IMO- Mathematics Olympiad (SOF) Class 8: Questions 75 - 81 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: 75

» Linear Equations in One Variable

MCQ▾

Question

Solution of the equation is_.

Choices

Choice (4) Response

a.

5

b.

0

c.

-5

d.

1

Question number: 76

» Linear Equations in One Variable

MCQ▾

Question

A number 100 is divided into two parts in the ratio 3: 2. The product of the number is_.

Choices

Choice (4) Response

a.

2400

b.

2700

c.

1500

d.

2600

Question number: 77

» Linear Equations in One Variable

MCQ▾

Question

A motor boat covers a certain distance downstream in a river in 1 hours. It covers the same distance upstream in 1 and half hours. The speed of the water is 2 km/hr. The speed of the boat in still water is_.

Choices

Choice (4) Response

a.

10 km/hr

b.

12 km/hr

c.

11 km/hr

d.

5 km/hr

Question number: 78

» Linear Equations in One Variable

MCQ▾

Question

The perimeter of a rectangle is numerically equal to the area of rectangle. If width of rectangle is cm, then its length is_.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 79

» Linear Equations in One Variable

MCQ▾

Question

Milan has Rs. 66 in the form of of fifty paise and twenty five paise coins in the ratio of 8: 6, the number of coins of each kind are_.

Choices

Choice (4) Response

a.

88,72

b.

96,73

c.

90,50

d.

96,72

Question number: 80

» Linear Equations in One Variable

MCQ▾

Question

Archana’s age after 15 years wii be 5 times his age 5 years back. What is the present age of archna?

Choices

Choice (4) Response

a.

5 years

b.

20 years

c.

12 years

d.

10 years

Question number: 81

» Linear Equations in One Variable

MCQ▾

Question

The sum of two numbers is 12 and difference of their squares is 12. The difference of the numbers is

Choices

Choice (4) Response

a.

3

b.

0

c.

1

d.

2

f Page