Question
Which of the following is an example of a physical
change?Solution
 Melting of ice is a physical change because only the physical state of water changes from solid (ice) to liquid (water), while its chemical composition (H2O)stays the same.
Find total number of ways in which the word “BOOKKEEPER” can be arranged.
In how many different ways can the letters of the word 'REMAINING' be arranged?
In a group of 9 boys and 5 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
Determine the total number of ways to form a committee consisting of 10 members from a pool of 8 men and 7 women, ensuring the committee includes at lea...
How many 4-digit numbers can be formed using digits 1–9 if repetition is not allowed and the number is even?
A box contains 2 blue, 3 black and 5 orange balls. In how many ways can 3 balls be drawn from the box, if at least 1 black ball is to be included in the...
Using all the letters of the word IMPACT, how many words start with a vowel but end with a consonant?
In how many ways can 17 members be seated in two lines with seating capacity of 9 and 8 members respectively?
1.    9! ×8!
2.   �...
In how many different ways can the letters of the word “MONDAY” be arranged in such a way that the vowels always come together?
How many unique arrangements can be made using all the letters of the word "DELUSION", ensuring that the vowels do not appear together?
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