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Total number of students = x The number of girls in the class = y The number of boys in the class = (y+5) Therefore the number of girls, => y = 506/46 = 11 Total number of girls = 11 Total number of boys = (11 + 5) = 16 Total number of students = (11 + 16) = 27 Required Probability = (11C2 × 16C2)/ 27C4 => (11 × 4)/117 = 44/117
Each consonant of the word ‘TRANSMITTED’ is changed to the previous letter in the English alphabetical series and each vowel is changed to the next...
If in the word ‘PLATINUM’, each of the vowels is replaced with next letter of English alphabets and each of the consonants is replaced with ...
How many pairs of letters are there in the word “DURATION” which has as many letters between them in the word as in the alphabetical series?
Which of the following pairs of numbers and signs, when their positions are interchanged, will correctly solve the given mathematical equation?
If all the letters of the word “SUPPLEMENT” are replaced by immediate preceding letter in the alphabetical series, how many vowels are there in the ...
Which of the following letter will be 4th letter from the left end if the letters at even positions are replaced by succeeding letter in the ...
If in the number 587683529, 5 is added to each of the digit which is less than four and 2 is subtracted from each of the digit which is greater than fou...
How many such pairs of letters are there in the word ‘DISPLACED’ each of which has as many letters between them in the word (in both forwar...
How many pairs of letters are there in the word “CHAMOMILE” which has as many letters between them in the word as in the alphabetical series?
...Which signs should be interchange to make the given equation correct.
15 ÷ 3 + 7 × 3 - 4 = 0
