IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 720 - 728 of 930
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Question 720
Question MCQ▾
A man rows downstream 40 km and upstream 20 km, taking 10 hours each time. The velocity of current is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 km/hr | |
b. | 2 km/hr | |
c. | 3 km/hr | |
d. | 1 km/hr |
Question 721
Question 722
Question MCQ▾
Which equation satisfies the data in the table?
X | -1 | 0 | 1 | 2 |
Y | -3 | -1 | 1 | 3 |
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 723
Question MCQ▾
If the first three letters of the word ‘P R E P A R A T I O N’ are reversed, then last three letters are added and then the remaining letters are reversed and added, then which letter will be exactly in the middle?
Choices
Choice (4) | Response | |
---|---|---|
a. | R | |
b. | E | |
c. | N | |
d. | T |
Question 724
Question MCQ▾
Given that is a solution of . The other solutions are ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 728
Question MCQ▾
The simple interest of for x years will be ₹ X on a sum of ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ₹ | |
b. | ₹ x | |
c. | ₹ | |
d. | ₹ 100 x |