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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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Q.4537·Miscellaneous·2021·Easy

What are distinct prime factors of the number 26381 ?

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Q.4538·Miscellaneous·2021·Easy

The Constitution of India guarantees freedom of speech and expression. But the freedom is subject to certain reasonable restrictions imposed by the State. These restrictions may relate to which of the following? 1. Defamation 2. Decency or morality 3. Incitement to an offence Select the correct answer using the code given below:

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Q.4539·Miscellaneous·2021·Easy

Which one of the following amendments in the Constitution of India made a Proclamation of Emergency immune from judicial review?

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Q.4540·Miscellaneous·2021·Easy

Which one of the following British officials was elevated to the position of Governor General after the Regulating Act of 1773?

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Q.4541·Miscellaneous·2021·Easy

Which of the following ideas was preached by the Kherwar or Sapha Har movement of the 1870s?

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Q.4542·Miscellaneous·2021·Easy

In which one of the following years was the Poona Sarvajanik Sabha established?

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Q.4543·Miscellaneous·2021·Easy

Which one of the following was an important Pandya port, celebrated for its pearls in Sangam poems and Greek accounts?

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Q.4544·Miscellaneous·2021·Easy

Let work done by (3n – 1) men in (2n + 1) days be x and work done by (3n + 1) men in (4n – 3) days be y. If x : y = 6 : 11, then what is the value of n ?

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Q.4545·Miscellaneous·2021·Easy

If x is a negative real number, then which of the following are not correct ? 1. There is some natural number k such that kx > 0 2. x² + x > 0 always 3. x < x < –x 4. x² is always a rational number Select the correct answer using the code given below:

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Q.4546·Miscellaneous·2021·Easy

The sum and the product of the roots of a quadratic equation are 7 and 12 respectively. If the bigger root is halved and the smaller root is doubled, then what is the resulting quadratic equation ?

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Q.4547·Miscellaneous·2021·Easy

The LCM of two prime numbers p and q is 2213, where p &gt; q. What is the value of p – q ?

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Q.4548·Miscellaneous·2021·Easy

Three runners are running in a circular track, and they complete one round in 20, 30 and 35 minutes respectively. When will they next meet at the starting point ?

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Q.4549·Miscellaneous·2021·Easy

If ay – bx / c = cx – az / b = bz – cy / a, then which of the following is/are correct ? 1. x = y / a 2. x + y + z / a + b + c = z / c Select the correct answer using the code given below :

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Q.4550·Miscellaneous·2021·Easy

A two-digit number is such that the product of the digits is 8. If 63 is added to this number, the digits interchange their places. What is the sum of the digits in the number ?

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Q.4551·Miscellaneous·2021·Easy

The sum of numerator and denominator of a fraction is 10. If the numerator is increased by 3 and denominator is decreased by 1, the fraction becomes 1. What is the difference between numerator and denominator of the fraction?

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Q.4552·Miscellaneous·2021·Easy

If the system of equations 7x + ky = 27 and kx + 7y = 19 have unique solution, then which one of the following is correct?

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Q.4553·Miscellaneous·2021·Easy

A sum of money compounded annually doubles itself in 5 years. In how many years will it become four times of itself?

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Q.4554·Miscellaneous·2021·Easy

A sector is cut from a circle of radius 21 cm. If the length of the arc of the sector is 55 cm, then what is the area of the sector?

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