Question
In how many ways can the letters of the word "COMPUTER"
be arranged, and what is the probability that all the vowels in these arrangements always appear together?Solution
ATQ;
Total arrangements=8!=40320 Treat vowels as one block: Arrangements of 6 units=6!=720 Arrange vowels within the block: Arrangements of vowels=3!=6 Total arrangements where vowels are together = 6!Ă3!=720Ă6=4320 Probability that vowels are together = 4320/40320 = 1/9 Hence, Total arrangements, 40320 and Probability vowels are together = 1/9
Fill in the blank:
She enjoys ________ novels in her free time.
Fill in the blanks with suitable articles like âaâ, âanâand âtheâ :
He saw ________ elephant at the Zoo.
Many travellers approach Lahaul and Spiti
P- via the 3978m-high Rohtang La pass,
Q- tourism hub of Manali
R- which rises north of the
But step outside and __________ will hit you. Thereâs ____________ poverty. Women still ________ for miles to get water, and itâs _________ that the...
Choose the word with correct spelling.
The complete loss or absence of hope
I said to my friend,” Let us go to some hill station.”
Sheena said to her,” Who are you and where are you coming from?”
1) Pictureque
2) Costomary
3) Descendant
4) Benovolent
1) Monochlonal
2) Binge
3) Qeuries
4) Potfolios
