GATE 2025 MA – Question 8
General Aptitude · Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation · 2 marks · Multiple choice
A fair six-sided die is rolled three times. Find probability of exactly one 6.
- 75/216
- 1/6
- 1/18
- 25/216
Practise this question in The GATE Grind →
Show answer and explanation
Correct answer: (A) 75/216
Explanation
Choose which roll is 6 in three ways. Each pattern has probability $(1/6)(5/6)^2$. Total = 3×25/216 = **75/216, A**.
More Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation questions
- GATE 2025 MA Q10 – A shop has four distinct ice-cream flavors. Any number of scoops per flavor is allowed and…
- GATE 2024 MA Q3 – A student should multiply positive real p by positive real q, but instead divides p by q.…
- GATE 2024 MA Q4 – Divide the sum of the first twenty consecutive positive odd numbers by 20². Find the…
- GATE 2024 MA Q5 – The girls:boys ratio in class VIII equals boys:girls in IX. Class totals are 450 and 360,…
- GATE 2024 MA Q8 – The graph relates cardiovascular-disease mortality risk to daily steps. Which statement…
- GATE 2023 MA Q3 – A frabjous number is a three-digit number with all digits odd and no two adjacent digits…
All Quantitative Aptitude: Data Interpretation, Arithmetic and Number Computation questions →