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Prelims

UPSC Prelims Questions

Practice UPSC Prelims MCQs by subject and year. Free questions with explanations for focused revision.

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  2. /Prelims Questions
Q.5815·Miscellaneous·2019·Easy

If x + a + b + c = 0 , then what is the value of |x + a b c| |a x + b c| |a b x + c| ?

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Q.5816·Miscellaneous·2019·Easy

What are the values of x that satisfy the equation |x 0 2| |3x 0 2| |2x 2 1| + |x² 2 1| = 0 ? |1 1 1| |0 1 1|

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Q.5817·Miscellaneous·2019·Easy

What is the value of the determinant |1! 2! 3!| |2! 3! 4!| |3! 4! 5!| ?

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Q.5818·Miscellaneous·2019·Easy

What is the number of diagonals of an octagon?

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Q.5819·Miscellaneous·2019·Easy

In a circle of diameter 44 cm, the length of a chord is 22 cm. What is the length of minor arc of the chord?

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Q.5820·Miscellaneous·2019·Easy

What is the area of one of the loops between the curve y = c sin x and x-axis?

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Q.5821·Miscellaneous·2019·Easy

The value of k which makes f(x) = { sin x, x ≠ 0} {k, x = 0 } continuous at x = 0, is  

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Q.5822·Miscellaneous·2019·Easy

Consider the following in respect of the differential equation: d²y/dx² + 2(dy/dx)² + 9y = x 1.The degree of the differential equation is 1. 2.The order of the differential equation is 2. Which of the above statements is/are correct?

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Q.5823·Miscellaneous·2019·Easy

The differential equation of the system of circles touching the y-axis at the origin is

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Q.5824·Miscellaneous·2019·Easy

A given quantity of metal is to be cast into a half cylinder (i.e. with a rectangular base and semicircular ends). If the total surface area is to be minimum, then the ratio of the height of the half cylinder to the diameter of the semicircular ends is

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Q.5825·Miscellaneous·2019·Easy

If y = a cos 2x + b sin 2x, then

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Q.5826·Miscellaneous·2019·Easy

Which one of the following statements regarding Cholera is correct?

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Q.5827·Miscellaneous·2019·Easy

Which one of the following organelles of mammalian cell is rich in hydrolytic enzymes?

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Q.5828·Miscellaneous·2019·Easy

Which one of the following statements regarding Penicillin is correct?

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Q.5829·Miscellaneous·2019·Easy

Which one of the following statements regarding Electrocardiogram is correct?

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Q.5830·Miscellaneous·2019·Easy

The treaty of Yandabo was signed in

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Q.5831·Miscellaneous·2019·Easy

Fundamental right guaranteed under which one of the following Articles of the Constitution of India is available only to the citizens of India?

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Q.5832·Miscellaneous·2019·Easy

Which one of the following statements regarding the Rajya Sabha is NOT correct?

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