Question
Which of the following is NOT a renewable energy
source?Solution
Fossil fuels are non-renewable sources of energy, meaning they cannot be replaced as quickly as they are consumed.
A box contains Z black balls and 7 white balls. If two balls are drawn at random, one after another without replacement, and the ...
A box contains 6 red, 4 blue, 2 green and 4 yellow pens. Two pens are picked at random, what is the probability that one is blue and one is yellow?
The probability of selecting 2 one-rupee coins from a collection of 'a' one-rupee coins and 4 two-rupee coins is 1/3. Determine the probability of rando...
A coin is tossed four times one by one. What is the probability of getting a tail for the first time, head for the second time and again head for the th...
Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are black or both are queens?
A bag contains 12 black and 14 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
5 coins are tossed together. What is the probability of getting exactly 3 tails?
A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, fin...
In a box there are 3 red, 6 blue, and 9 yellow cards. One card is picked up randomly. What is the probability that it is neither red nor yellow?
The probability of selecting a rotten apple randomly from a heap of 100 apples is 0.20. What is the number of rotten apples in the heap?
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