If a letter is chosen at random from the letters of English alphabet, then the probability that it is a letter of the word 'DELHI' is

1. $\dfrac{1}{5}$

2. $\dfrac{1}{26}$

3. $\dfrac{5}{26}$

4. $\dfrac{21}{26}$

A card is selected at random from a pack of 52 cards. The probability of its being a red face card is

1. $\dfrac{3}{26}$

2. $\dfrac{3}{13}$

3. $\dfrac{2}{13}$

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

The probability that a non-leap year selected at random has 53 Sundays is

1. $\dfrac{1}{365}$

2. $\dfrac{2}{365}$

3. $\dfrac{2}{7}$

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

A bag contains 3 red balls, 5 white balls and 7 black balls. The probability that a ball drawn from the bag at random will be neither red nor black is

1. $\dfrac{1}{5}$

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

3. $\dfrac{7}{15}$

4. $\dfrac{8}{15}$