If a number is randomly chosen from the numbers 1, 2, 3, 4, …….., 25, then probability of the number to be prime is

1. $\dfrac{7}{25}$

2. $\dfrac{9}{25}$

3. $\dfrac{11}{25}$

4. $\dfrac{13}{25}$

A box contains 90 cards numbered 1 to 90. If one card is drawn from the box at random, then the probability that the number on the card is a perfect square is

1. $\dfrac{1}{10}$

2. $\dfrac{9}{100}$

3. $\dfrac{1}{9}$

4. $\dfrac{3}{100}$

If two coins are tossed simultaneously, then the probability of getting atleast one head is

1. $\dfrac{1}{4}$

2. $\dfrac{1}{2}$

3. $\dfrac{3}{4}$

4. 1

Lakshmi tosses two coins simultaneously. The probability that she gets atmost one head is

1. 1

2. $\dfrac{3}{4}$

3. $\dfrac{1}{2}$

4. $\dfrac{1}{7}$