IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 663 - 669 of 929
Access detailed explanations (illustrated with images and videos) to 929 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: 663
Question
If 100 men can do a job in 80 days, in how many days will 120 men do it in ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 67 days | |
b. | 65 days | |
c. | 63 days | |
d. | 69 days | |
Question number: 664
» Introduction to Euclid's Geometry
Question
In the figure 3x = 90˚, then ∠ROS is________
Find the Value of Angle ROS
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 120˚ | |
b. | 150˚ | |
c. | 130˚ | |
d. | 140˚ | |
Question number: 665
Question
The compound interest on Rs. 80000 at per annum for 9 months, compound quarterly is ________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Rs. 14610 | |
b. | Rs. 12610 | |
c. | Rs. 15610 | |
d. | Rs. 13610 | |
Question number: 666
Question
If , then =
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 2 | |
b. | 1 | |
c. | 3 | |
d. | 0 | |
Question number: 667
Question
A man rows downstream 30 km and upstream 18 km, taking 5 hours each time. The velocity of current is ________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1.2 km/hr | |
b. | 6 km/hr | |
c. | 3.6 km/hr | |
d. | 2.4 km/hr | |
Question number: 668
» Introduction to Euclid's Geometry
Question
According to Euclid, a point has________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Length, breadth and thickness | |
b. | No Length but breadth and thickness | |
c. | Length and breadth but no thickness | |
d. | No length, no breadth and no thickness | |
Question number: 669
» Linear Equations in Two Variables
Question
The number of values of k for which the system of equations , has the solutions?
Choices
| Choice (4) | Response | |
|---|---|---|
a. |
| |
b. |
| |
c. |
| |
d. |
| |