Two fair dice are thrown. Find the probability that the sum is .
Answer and explanation
Correct answer: B.
- Step 1: There are equally likely outcomes. Step 2. The pairs giving a sum of number , so . **Answer: . Why not the others:** is what you get if you count only one favourable outcome. is what you get if you use outcomes instead of . is what you get if you count one outcome too many.
Practise more Numerical and logical aptitude.
Free questions with an explanation for every one, and full timed GATE mock tests.
More Numerical and logical aptitude questions
- A car travels at and then returns the same at . Find the average…
- Find the sum of the first terms of the arithmetic progression
- Find the median of .
- A shop sells a shirt for Rs. 1,080 after a discount of on the marked price. Find the marked price.
- A trader buys an article for Rs. 500 and sells it for Rs. 700. Find the profit percentage.
- Find the sum of the first terms of the arithmetic progression