Question
Urea fertilizer is the main source of nitrogen,applied
in oir fields ,The NPK ratio of urea is:Solution
Urea contains 46% nitrogen.
The likelihood that Maya secures a place in college D is 90% and in college E is 85%. Maya's order of preference is 'D', then 'E', and finally 'F'. Assu...
The probability that Kabir clears an interview is (2/5) and the probability that Simran fails is (1/4). Find the probability that both have the same res...
Find the simplified value of the given expression:
18 × 3 ÷ 6 + 24 ÷ 4 of 2 − 60 ÷ 2 of 3 + 18 × 5 ÷ 9.Â
...A card is chosen at random from a standard deck of 52 playing cards, without replacing it, a second card is chosen. What is the probability that first c...
One summer peter visits 4 villages (A, B, C and D) in a random order. Find the probability that he visits (i) A before B (ii) A before B and B before C ...
A committee of 4 members is to be formed from 5 men and 3 women. What is the probability that the committee will have exactly 2 women?
Two dice are thrown simultaneously. Find the probability that sum of the numbers appeared on both the dice is at least 7.
- Raman has three children and he truthfully says, "at least one of my children is a girl." What is the probability that all of his children are girls?
A bag contains 16 black and 18 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?
A bag contains 7 blue balls, 3 red balls and remaining were black balls. Probability of drawing a black ball from the bag is (4/9) . Find the number of ...
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