A bag contains 10 balls where each ball is marked with a different number from 1 to 10. Two balls are taken at random without replacement. Find the probability that (i) both balls are marked with even numbers, (ii) the first ball is marked with number 5 and the second ball is marked with an odd number, (iii) exactly one ball is marked with a number greater than 6.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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