A box containing10 black, 4 green and 6 yellow pens. What is probability of picking a yellow pen with eyes closed

A card is picked at random from a pack of 52 well shuffled playing cards. Find the probability of NOT picking a red cards in the pack. If there are 13 red card in the pack

Two fair dice are thrown at once. What is the probability of getting same face

A number is chosen at random from 10 to 30 inclusive, what is the probability that the number is divisible by 3

The table above represent the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4

A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange

$\begin{align}  & \text{What is the probability that an integer }x\text{ (1}\le \text{x}\le \text{25) chosen at random is divisible by both 2 and 3} \\ & \text{(A) }\tfrac{3}{4}\text{  (B)  }\tfrac{1}{25}\text{  (C) }\tfrac{1}{5}\text{ (D) }\tfrac{4}{25} \\\end{align}$

The probabilities that a man and his wife live for 80 years are $\tfrac{2}{3}$and $\tfrac{3}{5}$respectively. Find the probability that at least one of them will live up to 80 years