Discussion
Home ‣ Aptitude ‣ Volume and Surface Area See What Others Are Saying!
- Question
- If the radius of a sphere is increased by 100%, by what per cent does its volume increase?
Options- A. 300%
- B. 900%
- C. 500%
- D. 700%
- Correct Answer
- 700%
ExplanationHere, n = 100%
According to the formula
Percentage increase in volume = [(1 + n/100)3 - 1] x 100%
= [(1 + 100/100)3 - 1] x 100%
= [8 - 1] x 100% = 700% - 1. In how many different ways can the letters of the word 'RITUAL' be arranged?
Options- A. 720
- B. 5040
- C. 360
- D. 180 Discuss
- 2. What least number must be subtracted from 210, so that the sum is completely divisible by 11?
Options- A. 2
- B. 3
- C. 4
- D. 1 Discuss
- 3. What is the fourth proportional to 72, 168 and 150?
Options- A. 450
- B. 300
- C. 350
- D. 400 Discuss
- 4. The value of (sec245 - cot245) - (sin230 + sin260) is
Options- A. 1
- B. 2?3
- C. 0
- D. 1/?2 Discuss
- 5. Point P (8 , 5) is the midpoint of segment AB. Co-ordinates of A are (5, y) and B are (x, -3). What is the value of x?
Options- A. -11
- B. 11
- C. 7
- D. -7 Discuss
- 6. The sum of a non-zero number and 9 times its reciprocal is 10. What is the number?
Options- A. 10
- B. 11
- C. 9
- D. 90 Discuss
- 7. If 4x = ?5+ 2, then the value of x - 1/16x is
Options- A. 1
- B. -1
- C. 4
- D. 2?5 Discuss
- 8. What is the remainder when 2468 is divided by 37?
Options- A. 26
- B. 36
- C. 18
- D. 14 Discuss
- 9. How many ways can 10 letters be posted in 5 post boxes, if each of the post boxes can take more than 10 letters ?
Options- A. 5^10
- B. 10^5
- C. 5P5
- D. 5C5 Discuss
- 10. Convert binary 1101111 to decimal.
Options- A. 111
- B. 101
- C. 110
- D. 100 Discuss
More questions
Correct Answer: 720
Explanation:
The number of letters in the given word RITUAL = 6
Then,
Required number of different ways can the letters of the word 'RITUAL' be arranged = 6!
=> 6 x 5 x 4 x 3 x 2 x 1 = 720
Correct Answer: 1
Correct Answer: 350
Correct Answer: 0
Correct Answer: 11
Correct Answer: 9
Correct Answer: 1
Correct Answer: 26
Correct Answer: 5^10
Explanation:
Each of the 10 letters can be posted in any of the 5 boxes.
So, the first letter has 5 options, so does the second letter and so on and so forth for all of the 10 letters.
i.e. 5*5*5*?.*5 (upto 10 times) = 5 ^ 10.
Correct Answer: 111
Comments
There are no comments.More in Aptitude:
Programming
Copyright ©CuriousTab. All rights reserved.