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.) 22.1% of 480.6 + 740.9 ÷ 10.03 – 268 = ? × 9.95Solution
ATQ,
22.1% of 480.6 + 740.9 ÷ 10.03 – 268 = ? × 9.95
22% of 480 + 741 ÷ 10 – 268 ~ ? × 10
106 + 74 – 268 ~ ? × 10
? ~ -9
A container holds 15 orange, 9 purple, and 6 gray balls. If 2 balls are picked at random without replacement, find the probability that the first ball i...
A bag contains 3 Green and 9 Red balls. One ball is drawn at random. What is the probability that the ball drawn is Red?
All the sides of a 3-inch solid cube are painted. The cube is then cut into cubes of equal size to 1 inch each. If a cube is chosen at random, what is t...
Odds in favour of A passing the exam is 1 : 3 and Odds against B passing the exam is 4 : 1. What is the probability that exactly one of them will pass t...
A bowl contains 9 blue balls, 7 white, and 5 black balls. If 2 balls are drawn in one go, then the probability of exactly one ball being blue is:
The names of 10 students from section A, 12 students from section B and 14 students from section C were selected. The age of all the 36 students was dif...
There are thirty balls in my cupboard in complete disarray. Ten are black, ten are red and ten are brown, but I cannot distinguish the colors in the dar...
Five squares of a chessboard are chosen at random, the probability that three are of one colour and two of another is
22 defective pens are accidentally mixed with 136 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen i...
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?