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The number of five–digit telephone numbers which can be formed using the digits of 0, 1, 2,...., 9 is 105. The number of five-digit telephone numbers which have none of their digits repeated is 10P5 = 10 × 9 × 8 × 7 × 6 = 30240 Hence the required number =105 - 30240 = 69760
In each of the following sentences, choose the word opposite in meaning to the bold word to fill in the blank.
The old building looked stu...
She felt melancholy after hearing the sad news.
My mother said to Sanjay, “Are you in such a hurry to cross the road?”
He has a voracious appetite for reading.
Unique
Vivacious
...Choose the word opposite in meaning to the given word.
Ascertain
Select the most appropriate synonym of the given word.
Exaltation
Choose the one which best expresses the meaning of the given word .
Taciturn
A group of ships
