JEE Main 2021 · MathsNumerical answerNumerical valueMediumMulti-step
JEE Main 4 August 2021, Shift 1, Maths Q83
Question 83 of 90 in this shift, Maths question 23 of 30, Section B.
Each of the numbers 1, 0, -1 is written on two different opposite faces of a six foces fair die. This die is thrown three times. The number of ways in which the sum of the numbers appearing is zero, is ________.
Official answer
56
NTA final key.
- Idea tested
- Permutations with Repetition