Question

A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability of drawing a number which is a square is

• A. $\frac{1}{10}$
• B. $\frac{9}{10}$
• C. $\frac{2}{25}$
• D. $\frac{23}{25}$

Answer 1

Answer: (A)

$\frac{1}{10}$

Card number which is a square in a pack of 100 cards numbered 1 to 100 is: $1,4,9,16,25,36,49,64,81,100$

$=10$ cases
Probability for this case will be$=\frac{10}{100}=\frac{1}{10}$