IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 599 - 605 of 930
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 599
Question MCQ▾
The mean weight of 120 students in a class is 100 kg. The mean weight of boys is 110 kg while that of the girls is 90 kg. The number of boys and girls are________
Choices
Choice (4) | Response | |
---|---|---|
a. | 10,50 | |
b. | 70,40 | |
c. | 40,30 | |
d. | 60,60 |
Question 600
Question MCQ▾
The median of the observation 3, 5, 9, 5,4, 3,1 is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 | |
b. | 4 | |
c. | 5 | |
d. | 3 |
Question 601
Question MCQ▾
In a km. race A beats B by 50 metres or 5 seconds. Then A՚s time over the course is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 minutes 17 seconds | |
b. | 2 minutes 35 seconds | |
c. | 1 minutes 35 seconds | |
d. | 2 minutes 20 seconds |
Question 602
Question MCQ▾
If the mode of the following data 6, 8,7, 6, x, 6, 4, 8, 7,4, 8,7 is 6, then value of x is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 4 | |
b. | 8 | |
c. | 1 | |
d. | 6 |
Question 604
Question MCQ▾
If in the following groups of numbers after adding all the digits of each group, are arranged in decreasing order, then which will be middle group?
853, 395, 486, 249, 497,766, 914
Choices
Choice (4) | Response | |
---|---|---|
a. | 497 | |
b. | 395 | |
c. | 486 | |
d. | 766 |
Question 605
Question MCQ▾
A man rows downstream 40 50 km and upstream 20 30 km, taking 10 20 hours each time. The velocity of current is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 2.5 km/hr | |
b. | 3.5 km/hr | |
c. | 0.5 km/hr | |
d. | 1.5 km/hr |