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Class 11 · Mathematics
→From (7) English and (9) Hindi books (5) books are to be selected with books from both languages. How many ways are there?
Class 11 · Mathematics
→From (6) English and (8) Hindi books (4) books are to be selected with books from both languages. How many ways are there?
Class 11 · Mathematics
→From (5) English and (7) Hindi books (3) books are to be selected with books from both subjects. How many ways are there?
Class 11 · Mathematics
→From (6) English and (5) mathematics books, (3) books are to be selected with no mathematics book. How many ways are there?
Class 11 · Mathematics
→From (3) Hindi and (4) English books, (2) books are to be selected and both must be Hindi. How many ways are there?
Class 11 · Mathematics
→In how many ways can (6) distinct Hindi books and (5) distinct English books be arranged in a row so that no two English books are together?
Class 11 · Mathematics
→In how many ways can (4) distinct Hindi books and (4) distinct English books be arranged so that no two Hindi books are together?
Class 11 · Mathematics
→A book code has (3) distinct consonants and (2) distinct digits. The first symbol is a consonant and the last symbol is a digit. Assume English has (21) consonants. How many codes can be formed?
Class 12 · Business Studies
→If demand for local language content increased and a national brand ran only an English campaign, which feature was not understood?
Class 11 · Mathematics
→An exam roll number has (2) letters followed by (3) digits. The first letter must be a vowel, the second a consonant, and the (3) digits must not repeat. Assume (5) vowels in the English alphabet. How many roll numbers are possible?
Class 11 · Mathematics
→A website password must have (4) letters followed by (3) digits. Letters are chosen from the English alphabet without repetition and digits from (0) to (9) with repetition allowed. How many passwords are possible?
Class 11 · Mathematics
→(4) distinct mathematics books and (3) distinct English books are to be arranged in a row. No two English books should be together. How many arrangements are possible?
Class 11 · Mathematics
→A code has first (3) distinct letters from the English alphabet and then (2) digits. The first digit cannot be (0) and digits may repeat, so how many codes are possible?
Class 11 · Mathematics
→A (2)-letter code is to be formed from (5) given English letters. If letters may be repeated, how many codes are possible?
Class 10 · Mathematics
→If U has 200 students, 120 take Hindi, 90 take English, and 50 take both languages, how many take neither language?
Class 10 · Mathematics
→If U has 120 students, 72 study Hindi and 55 study English, while 30 study both, how many students study neither Hindi nor English?
Class 10 · Mathematics
→If A = {x : x is a letter of the English word ALGEBRA} and B = {x : x is a letter of the English word GEOMETRY}, what is A ∪ B?
Class 10 · Mathematics
→If \(A\) is the set of distinct letters in the English word MATHEMATICS and \(B\) is the set of distinct letters in the English word STATISTICS, what is \(A\cap B\)?
Class 10 · Mathematics
→In a group, 24 students study Hindi, 18 study English, and 7 study both languages. How many students study only Hindi?
Class 10 · Mathematics
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