Question
What approximate value will come in place of the
question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) (43.78% of 1499.86 – 14.92 + 25.12) ÷ ? = 20.14ÂSolution
ATQ, (43.78% of 1499.86 – 14.92 + 25.12) ÷ ? = 20.14 (44% of 1500 – 152 + 25) ÷ ? ~ 20 (660 – 225 + 25) ÷ ? ~ 20 460 ÷ ? ~ 20 ? ~ 460 ÷ 20 ? ~ 23
- Bag A contains 3 red, 4 black, 8 blue and 5 yellow balls. Bag B contains 5 red, 2 black, 4 blue and 3 yellow balls. Find the probability of drawing 2 blue ...
Integers 11, 12, 13, 14 are written on 4 cards they are well shuffled. Two cards are taken at random without replacement. What is the probability that t...
The probability of selecting a rotten apple randomly from a heap of 1050 apples is 0.36. What is the number of rotten apples in the heap?
If two socks are chosen at random, what is the probability that either all are green or all are black socks?
Two cards are drawn together from a pack of 52 cards. The probability that one is a club and one is a diamond?
In a lottery, there are 6 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
A biased six-faced dice when thrown, is thrice as likely to show an odd number than an even number. If it is thrown twice, then the probability that the...
If a coin is tossed 10 times then what is the probability of getting three heads?
Five squares of a chessboard are chosen at random, the probability that three are of one colour and two of another is
A bag contains 13 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...