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UPSC CDS
IMPORTANT
Earn 100

Priya's age was cube of an integral number (different from 1) four year ago and square of an integral number after four years. How long should she wait so that her age becomes square of a number in the previous year and cube of a number in the next year? 

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Important Questions on UPSC CDS (I) Previous Year Paper 2019

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UPSC CDS
IMPORTANT

Which of the following statements is not true?

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UPSC CDS
IMPORTANT
For  x>0, what is the minimum value of x+x+22x ?
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UPSC CDS
IMPORTANT
If 1+px1-px1-qx1+qx=1, then what are non-zero solutions of x ?
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UPSC CDS
IMPORTANT

In a hostel, the rent per room is increased by 20%. If number of rooms in the hostel is also increased by 20% and the hostel is always full, then what is the percentage change in the total collection at the cash counter? 

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UPSC CDS
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Radha and Hema are neighbours and study in the same school. Both of them use bicycles to go to the school. Radha's speed is 8 km/hr whereas Hema's speed is 10 km/hr. Hema takes 9 minutes less than Radha to reach the school. How far is the school from the locality of Radha and Hema?
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UPSC CDS
IMPORTANT
Which of the following pair of numbers is the solution of the equation 3x+2+3-x=10?
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UPSC CDS
IMPORTANT
It is given that log102=0.301 & log103=0.477. How many digits are there in (108)10?
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UPSC CDS
IMPORTANT
The sum of three prime numbers is 100. If one of them exceeds another by 36, then one of the numbers is: