JEE Main 2022 (Online) 24th June Morning Shift | Permutations and Combinations Question 64 | Mathematics

JEE Main 2022 (Online) 24th June Morning Shift

Numerical

-1

In an examination, there are 5 multiple choice questions with 3 choices, out of which exactly one is correct. There are 3 marks for each correct answer, $$-$$2 marks for each wrong answer and 0 mark if the question is not attempted. Then, the number of ways a student appearing in the examination gets 5 marks is ____________.

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JEE Main 2021 (Online) 1st September Evening Shift

Numerical

-1

All the arrangements, with or without meaning, of the word FARMER are written excluding any word that has two R appearing together. The arrangements are listed serially in the alphabetic order as in the English dictionary. Then the serial number of the word FARMER in this list is ___________.

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JEE Main 2021 (Online) 31st August Morning Shift

Numerical

-1

The number of six letter words (with or without meaning), formed using all the letters of the word 'VOWELS', so that all the consonants never come together, is ___________.

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JEE Main 2021 (Online) 27th August Morning Shift

Numerical

-1

A number is called a palindrome if it reads the same backward as well as forward. For example 285582 is a six digit palindrome. The number of six digit palindromes, which are divisible by 55, is ____________.

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