Exercise :: Percentage - General Questions
- Percentage - Important Formulas
- Percentage - General Questions
1. | A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets? |
||||||||||||||||||||||||
Answer: Option B Explanation: Number of runs made by running = 110 - (3 x 4 + 8 x 6) = 110 - (60) = 50.
Video Explanation: https://youtu.be/X2zTnABqEHU |
2. | Two students appeared at an examination. One of them secured 9 marks more than the other and his marks was 56% of the sum of their marks. The marks obtained by them are: |
|||||||||||
Answer: Option C Explanation: Let their marks be (x + 9) and x.
So, their marks are 42 and 33. |
3. | A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had: |
||||||||||||||||
Answer: Option D Explanation: Suppose originally he had x apples. Then, (100 - 40)% of x = 420.
Video Explanation: https://youtu.be/-Pv25Do3WwY |
4. | What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit? |
|||||||||||||
Answer: Option C Explanation: Clearly, the numbers which have 1 or 9 in the unit's digit, have squares that end in the digit 1. Such numbers from 1 to 70 are 1, 9, 11, 19, 21, 29, 31, 39, 41, 49, 51, 59, 61, 69. Number of such number =14
Video Explanation: https://youtu.be/cBamI6iRNIA |
5. | If A = x% of y and B = y% of x, then which of the following is true? |
||||||||||||||||||||||
Answer: Option E Explanation:
|