Advertisements
Advertisements
Question
By using two variables, write the following statement in mathematical form:
The cost of two tables and five chairs is 2,200.
Solution
Let the cost of one table be ₹ x
and the cost of one chair be ₹ y
2x + 5y = 2200
APPEARS IN
RELATED QUESTIONS
A letter of English alphabet is chosen at random. Determine the probability that the chosen letter is consonant.
Two different dice are thrown together. Find the probability that the numbers obtained have
1) even sum, and
2) even product.
In below Fig., points A, B, C and D are the centers of four circles that each have a radius of length one unit. If a point is selected at random from the interior of square ABCD. What is the probability that the point will be chosen from the shaded region?
A game consist of tossing a one-rupee coin 3 times and noting the outcome each time. Ramesh will win the game if all the tosses show the same result, (i.e. either all thee heads or all three tails) and loses the game otherwise. Find the probability that Ramesh will lose the game.
Choose the correct alternative answer for the following question.
What is the probability of the event that a number chosen from 1 to 100 is a prime number ?
In a hockey team, there are 6 defenders, 4 offenders, and 1 goalee. Out of these, one player is to be selected randomly as a captain. Find the probability of the selection that – The goalee will be selected.
A bag contains 5 white and 7 red balls. One ball is drawn at random. What is the probability that ball drawn is not black?
A bag contains 3 red balls and 5 black balls. A ball is draw at random from the bag. What is the probability that the ball drawn is red?
A die is thrown once. What is the probability of getting a number greater than 4?
If a digit is chosen at random from the digit 1, 2, 3, 4, 5, 6, 7, 8, 9, then the probability that it is odd, is
The probability of throwing a number greater than 2 with a fair dice is
A card is drawn from a well-shuffled pack of 52 cards. Find the probability of getting a black king.
A die is thrown once. The probability of getting an even number is
A coin is tossed. What is the probability of getting:
a tail?
A coin is tossed twice. Find the probability of getting: exactly one tail
Two coins are tossed together. Find the probability of getting: exactly one tail
A man is known to speak the truth 3 out of 4 times. He throws a die and a number other than six comes up. Find the probability that he reports it is a six.
The probability of getting number 6 in a throw of a dice is `1/6`. Similarly the probability of getting a number 5 is `1/5`.