IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 853 - 860 of 930
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Question 853
Question 854
Question MCQ▾
A and B invest in a business in the ratio . If of the total profit goes to charity and A՚s share is ₹ 855, the total profit is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | ₹ 1500 | |
b. | ₹ 1537.50 | |
c. | ₹ 1425 | |
d. | ₹ 1576 |
Question 855
Question MCQ▾
If the mean of 17 observations is 22 and that of another 18 observations is 10, then the mean of 35 observations is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 24.8 | |
b. | 15 | |
c. | 15.83 | |
d. | 24 |
Question 856
Question MCQ▾
The ratio of two supplementary angles is , What is the measure of the greater angle?
Choices
Choice (4) | Response | |
---|---|---|
a. | 100˚ | |
b. | 160˚ | |
c. | 140˚ | |
d. | 120˚ |
Question 857
Question MCQ▾
Two dice are thrown simultaneously. The probability of getting an even number as the sum is________
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 858
Question MCQ▾
The median of the following numbers 45, 36, 88, 65, 44, 21, 85,47, 74 is________
Choices
Choice (4) | Response | |
---|---|---|
a. | 54 | |
b. | 74 | |
c. | 47 | |
d. | 88 |
Question 860
Question MCQ▾
A 150 metres long train crosses a man walking at the speed of 6 km/hr in the opposite direction in 6 seconds. The speed of the train in km/hr is ________
Choices
Choice (4) | Response | |
---|---|---|
a. | 66 | |
b. | 96 | |
c. | 84 | |
d. | 106 |