IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 712 - 719 of 1042
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Question 712
Question
MCQ▾A 5-digit number xy721 is divisible by 3 such that x + y < 5, where x and y are digits, then possible values of (x, y) are________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | (1,1), (0,2) | |
| b. | (1,2), (2,0) | |
| c. | (0,2), (2,0) | |
| d. | (1,1), (2,0) | |
Question 713
Question
MCQ▾A 4 digit number ‘abcd’ is divisible by 8 if________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | a + 2b + c + d is divisible by 8 | |
| b. | 8a + 2b + 1c is divisible by 8 | |
| c. | 100b + 10c + d is divisible by 8 | |
| d. | 1000a + 10b + 100c + d is divisible by 8 | |
Question 714
Question
MCQ▾If a number has unit digit any of 0,2, 4,6, 8. Then it is divisible by________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 | |
| b. | 9 | |
| c. | 5 | |
| d. | 3 | |
Passage
Number of students and their marks are given in below table. Answer the following questions.
| Marks (class-interval) | No. of students |
| 30 - 40 | 12 |
| 40 - 50 | 13 |
| 50 - 60 | 04 |
| 60 - 70 | 15 |
| 70 - 80 | 06 |
Question 715 (1 of 4 Based on Passage)
Question
MCQ▾The number of students got 40 or more than 40 marks is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 35 | |
| b. | 28 | |
| c. | 30 | |
| d. | 38 | |
Question 716 (2 of 4 Based on Passage)
Question
MCQ▾The number of students got 50 or more than 50 marks is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 20 | |
| b. | 25 | |
| c. | 22 | |
| d. | 21 | |
Question 717 (3 of 4 Based on Passage)
Question
MCQ▾The number of students got 70 or more than 70 marks is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 2 | |
| b. | 1 | |
| c. | 5 | |
| d. | 6 | |
Question 718 (4 of 4 Based on Passage)
Question
MCQ▾The number of students got 60 or more than 60 marks is________.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 25 | |
| b. | 22 | |
| c. | 20 | |
| d. | 21 | |
Question 719
Question
MCQ▾An unbiased die is tossed. Find the probability of getting a multiple of 3.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | ||
| b. | ||
| c. | ||
| d. | ||