Statistics and Probability [IMO Level 1- Mathematics Olympiad (SOF) Class 9]: Questions 1 - 6 of 103
Choose Programs:
🎯 930 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 450.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1
Question MCQ▾
A die is rolled 10,500 times. The frequency of each outcome is shown in the table. What is the empirical probability of the outcomes of multiples of 3?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 2
Question MCQ▾
Two dice are thrown. What is the probability of obtaining a total of 10 or 11?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 3
Question MCQ▾
The median of the following numbers 99, 54, 78, 65, 35,45, 66 is________
Choices
Choice (4) | Response | |
---|---|---|
a. | 66 | |
b. | 35 | |
c. | 65 | |
d. | 54 |
Question 4
Question MCQ▾
The mean weight of 80 students in a class is 60 kg. The mean weight of boys is 70 kg while that of the girls is 50 kg. the number of boys and girls are________
Choices
Choice (4) | Response | |
---|---|---|
a. | 10,30 | |
b. | 40,40 | |
c. | 35,75 | |
d. | 45,35 |
Question 5
Question MCQ▾
If a number x is chosen at random from the numbers 1,2, 3 and the number y is selected from 1,4, 9, and then is________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 6
Question MCQ▾
A contractor employed 18 labourers at ₹ 12 each per day, 10 labourers at ₹ 13.50 each per day, 5 labourers at ₹ 25 each per day and 2 labourers at ₹ 42 each per day. The average wages paid is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ₹ 20 | |
b. | ₹ 24 | |
c. | ₹ 28 | |
d. | ₹ 16 |