Question
Find the maximum number of trees which can be planted,
25 meters apart, on the two sides of a straight road 2125 meters long?Solution
Number of trees on each side of the road [+1 because we would start with a tree ] = 2125/25 + 1 = 85 + 1 = 86 ∴ Required answer = 86 × 2 = 172
The probability of selecting a rotten apple randomly from a heap of 250 apples is 0.20. What is the number of rotten apples in the heap?
...A bag contains 8 white and some black balls. If the probability of drawing a black ball from the bag is twice that of drawing a white ball, find the num...
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A bag contains 18 black and 20 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
...In a container holding 18 balls of three shades – orange, purple, and white – the probability of picking an orange ball is 1/3. If the count of whit...
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The probability of selecting a rotten egg randomly from a basket of 250 eggs is 0.2. What is the number of rotten eggs in the basket?
- Find the probability of selecting a heart or a diamond card from a well shuffled deck.
A box consists of 125 apples out of which 25 are rotten. Khushboo comes to buy non-rotten apple. The shopkeeper takes out two apples and hands it over t...
In a container, there are (x + 4) red balls, ‘x’ blue balls, and (x + 5) black balls. If the probability of picking two blue balls at random is (1/3...
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