EASY
UPSC CDS
IMPORTANT
Earn 100
A two-digit number is such that the product of the digits is . If is added to this number, the digits interchange their places. What is thge sum of the digits in the number?
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Important Questions on UPSC CDS (II) Previous Year Paper 2021
EASY
UPSC CDS
IMPORTANT
A motorboat has speed in still water, It goes down stream and comes back in . What is the speed of the stream?
EASY
UPSC CDS
IMPORTANT
The present age of a father is equal to sum of the ages of his children. After the sum of the ages of the children will be times the age of their father. What is the percentage of the father?
EASY
UPSC CDS
IMPORTANT
The sum of the numerator and denominator of a fraction is If the numerator is increased by and denominator is decreased by , the fraction become . What is the difference between numerator and denominator of the fraction?
EASY
UPSC CDS
IMPORTANT
if the system of equation have unique solution, then which one of the following is correct?
EASY
UPSC CDS
IMPORTANT
A sum of money compounded annually doubles itself in . In how many years will it become times of itself?
EASY
UPSC CDS
IMPORTANT
Between O'clock, both hour hand and minute hand will coincide past O'clock between_____.
EASY
UPSC CDS
IMPORTANT
Sheela can stitch a suit in , while Meena can stitch a suit in . How many days will both take in stitching suits?
EASY
UPSC CDS
IMPORTANT
If , then what is the value of ?
