EASY
UPSC CDS
IMPORTANT
Earn 100
The data collected from which one of the following methods is not a primary data ?
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Important Questions on UPSC CDS (I) Previous Year Paper 2019
EASY
UPSC CDS
IMPORTANT
The monthly expenditure of a person is . The distribution of expenditure on various items is as follows:
| Item of expenditure | Amount(in ) |
| Food | |
| Clothing | |
| Fuel and rent | |
| Education | |
| Miscellaneous |
If the above data is represented by a percentage bar diagram of height , then what are the lengths of the two segments of the bar diagram corresponding to education and miscellaneous respectively?
EASY
UPSC CDS
IMPORTANT
If the mean of observation out of observation is and the mean of remaining observation is , then what is mean of all observation?
EASY
UPSC CDS
IMPORTANT
Which one of the following pairs is correctly matched?
MEDIUM
UPSC CDS
IMPORTANT
The following pairs relate to frequency distribution of a discrete variable and its frequency polygon. Which one of the following pairs is not correctly matched?
MEDIUM
UPSC CDS
IMPORTANT
In a rectangle, length is three times its breadth. If the length and the breadth of the rectangle are increased by and respectively, the its perimeter increases by
MEDIUM
UPSC CDS
IMPORTANT
What is the percentage in the area of a triangle if its each side is halved?
MEDIUM
UPSC CDS
IMPORTANT
The volume of a spherical balloon is increased by . What is the percentage change in its surface area?
MEDIUM
UPSC CDS
IMPORTANT
If the lengths of two parallel chords in a circle of radius are cm, cm and cm, then what is the distance these two chords?
