Question
Which law explains the relation between pressure and
volume of a gas at constant temperature?Solution
Boyle’s Law: P∝1/v (at constant temperature) When volume increases, pressure decreases, and vice versa. It applies to ideal gases. Used in gas compression and pneumatics.
The probability of selecting a rotten apple randomly from a heap of 150 apples is 0.28. What is the number of rotten apples in the heap?
- A jar contains five 25 paise coins, ten Rs. 1 coins, and ten Rs. 5 coins. One coin was accidentally dropped and lost. Find the probability that the lost co...
Out of 6 white marbles, 3 blue marbles, in how many ways we select one or more marbles?
There are 4 red balls, 5 blue balls and 3 green balls in a jar. 2 balls are drawn at random. Find the probability that both balls are either green or red.
A bag contains 7 orange balls, 8 red balls and 5 black balls. Three balls are drawn at random. Find the probability that at least two balls are red.
- A bag contains 2 black balls, 6 red balls, and 10 blue balls. Two balls are drawn at random. Find the probability that the two balls are blue.
From a well-shuffled deck of 52 cards, two cards are drawn one after the other without replacement. What is the probability that the first card is a red...
A box contains only three colors of balls- red, green and blue. What is the minimum number of balls that should be picked from the box to ensure that at...
Two Dice are thrown simultaneously. Find the probability that the number on the first dice is more than the number of 2nd Dice.
- The ratio of green to yellow balls in a basket is 5:7. If 15 balls of each color are added, the ratio becomes 2:3. How many yellow balls were originally th...
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