Maths MCQ Quiz in मराठी - Objective Question with Answer for Maths - मोफत PDF डाउनलोड करा
Last updated on Mar 9, 2025
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Maths Question 1:
A flagpole casts a shadow of 12 feet. At the same time, a nearby tree that is 8 feet tall casts a shadow of 6 feet. How tall is the flagpole?
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Maths Question 1 Detailed Solution
Maths Question 2:
The cosine of angle C in a right triangle is \( \frac{5}{13} \). Find the sine of the angle that complements C.
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Maths Question 2 Detailed Solution
Maths Question 3:
What is the median of the following data set: 5, 11, 15, 18, 22?
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Maths Question 3 Detailed Solution
Maths Question 4:
A teacher recorded the following test scores: 55, 60, 65, 70, 75, 80, 85. What is the median score?
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Maths Question 4 Detailed Solution
Maths Question 5:
In a study, two groups of athletes were tested for their maximum oxygen uptake levels. The data for each group is summarized in the table below.
| Group | Sample Size | Mean (ml/kg/min) | Standard Deviation (ml/kg/min) |
|-------|-------------|------------------|---------------------------------|
| C | 1,800 | 50 | 8.5 |
| D | 1,800 | 50 | 12.3 |
Which of the following statements is true based on the table?
Answer (Detailed Solution Below)
Maths Question 5 Detailed Solution
Option 1 is incorrect because identical data sets would have identical means and standard deviations, which is not the case here.
Option 2 is incorrect because a larger standard deviation in Group D indicates less consistency, not more.
Option 4 is incorrect because the problem does not provide information about medians, and the means are identical, so we cannot infer anything about the medians.
Maths Question 6:
A list of 60 numbers has a mean of 25 and a median of 30. If all numbers above the median are tripled and all numbers below the median are halved, which statistical measure is altered?
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Maths Question 6 Detailed Solution
Maths Question 7:
The ratio \(\frac{c}{d} = 6\) and \(\frac{72c}{kd} = 6\). Find \(k\).
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Maths Question 7 Detailed Solution
Maths Question 8:
For the function \( j(x) = x^2 + 6x + 9 \), find the value of \( x \) when \( j(x) = 0 \).
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Maths Question 8 Detailed Solution
Maths Question 9:
A scientist observes that a certain chemical reaction doubles in concentration every 2 hours. If the initial concentration is \(0.5\) moles per liter, what is the concentration after 8 hours?
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Maths Question 9 Detailed Solution
Maths Question 10:
If a worker earns $12 per hour and has earned a total of $96, how many hours has the worker worked?