JEE Main 2020 · MathsNumerical answerNumerical valueMediumCalculation

JEE Main 6 September 2020, Shift 2, Maths Q72

Question 72 of 75 in this shift, Maths question 22 of 25.

The number of words (with or without meaning) that can be formed from all the letters of the word "LETTER" in which vowels never come together is ________.

Official answer

120.00

NTA final key (Sep 2020).

Chapter: Permutations and Combinations
Topic: Permutations and Combinations
Idea tested: The Block/Tie Method

Same idea in other shifts

Asked 3× in all

4 Apr 2026, Shift 1 · Q8The number of ways, of forming a queue of $4$ boys and $3$ girls such that all the girls are not together, is:EasySingle correct
8 Apr 2023, Shift 2 · Q5If the number of words, with or without meaning, which can be made using all the letters of the word MATHEMATICS in which C and S do not…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.