Update

Muft Shiksha™ एक 100% Free Education Portal है 🇮🇳, जिसका उद्देश्य Class 9–12 के हर विद्यार्थी तक High-Quality Education को पूरी तरह मुफ्त पहुँचाना है। 🇮🇳 हम मानते हैं कि अच्छी शिक्षा किसी student की आर्थिक स्थिति पर निर्भर नहीं होनी चाहिए। 🇮🇳 हर विद्यार्थी को वही Quality Study Material, MCQs, Quizzes, Exam Preparation, Concept-Based Learning और Bilingual Support मिलना चाहिए, जो आमतौर पर महंगी Coaching या Premium Platforms में मिलता है। Muft Shiksha™ 🇮🇳 इसी सोच के साथ बनाया गया है

Subjects

RELATED QUESTIONS

Counting

Class 11 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsA (5)-letter signal uses only (A,B,C,D,E,F). The first and last letters must be different, but the middle (3) letters may repeat. How many signals are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsIn a building with (8) doors, different doors are chosen for entry and exit. A third door, different from both, is chosen for emergency exit. Order matters. How many ways are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA (3)-stage process has (4) choices at the first stage. If the first selected choice is a special one, the second stage has (5) choices, otherwise each of the remaining (3) first choices gives (2) choices. The third stage always has (6) choices. How many outcomes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsHow many (4)-digit numbers with distinct digits can be formed such that exactly (2) digits are from (2,4,6,8) and the remaining digits are from (1,3,5,7,9)?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA quiz has (5) multiple-choice questions. The first (2) questions have (4) options each and the remaining (3) questions have (5) options each. If every question must be answered, how many answer patterns are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsAn email prefix is made of (3) lowercase letters and (2) digits. Letters do not repeat and digits do not repeat. The first position is a letter and the order is letter, letter, letter, digit, digit. How many prefixes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsUsing digits from (1) to (9), how many (3)-digit numbers can be formed that are odd and have no repeated digit?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsOn a library shelf choose (1) mathematics book from (3), (1) science book from (4), and (2) history books from (5) in order. The two history books are different. How many arrangements are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA vehicle number has (2) letters followed by (4) digits. The letters must be different, digits may repeat, and the first digit cannot be (0). How many numbers are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsFrom (7) students a class representative, an assistant representative, and a sports representative are to be chosen. No student can hold more than one post. How many selections are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA mobile PIN has (4) digits. The first digit cannot be (0), the last digit must be even, and the two middle digits may be any digits. Repetition is allowed. How many PINs are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA menu has (4) soups, (5) main dishes, and (3) desserts. A customer may take soup with main dish, main dish with dessert, or all three. How many meal choices are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA secure locker code has (5) symbols. The first symbol is chosen from (4) special signs, the last from (3) colors, and the middle (3) symbols from (8) digits without repetition. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsFrom (5) different cities a trip needs a starting city and an ending city. They must be different and (2) different intermediate stops are also chosen from the remaining cities. If order matters then how many trips are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA 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 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematicsA (6)-digit code is formed where the first (2) places can contain only odd digits and the remaining (4) places can contain only even digits. If no digit is repeated then how many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 53ExpertMathematics(6) distinct projects are to be assigned to (4) teams. No team can receive more than (2) projects. How many assignments are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 52ExpertMathematicsA (7)-symbol code has (4) letters and (3) digits. It is formed from (6) letters and (5) digits without repetition. All digits must occupy consecutive positions. How many codes are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 52ExpertMathematicsFrom (4) novels, (3) poetry books, and (5) drama books, (5) books are to be selected and arranged in a row. The selection must have exactly (2) poetry books and at least (1) novel. How many arrangements are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 52ExpertMathematics(10) delegates are to be arranged in a row. Three particular delegates must appear in a specified relative order, but not necessarily together. How many arrangements are possible?Class 11Permutations and CombinationsFundamental principle of countingLevel 52Expert