Discussion
Home ‣ Aptitude ‣ Surds and Indices Comments
- Question
The positive exponential function of a -3 a -4 is : a-5
Options- A. a2
- B. 1 a3
- C. 1 a4
- D. 1 a2
- Correct Answer
- 1 a2
Explanation
- 1. If 102/5 × 108/5 = 10n, the value of n is :
Options- A. 2
- B. 3
- C. 6
- D. 4 Discuss
- 2. The value of ( 8 ) - ( 2 - 2 ) is :
Options- A. - 1 2 4
- B. - 3 2 4
- C. 3 2 4
- D. - 1 2 2 Discuss
- 3.
The value of ( - 1 ) -(2/3) 125
Options- A. 1 25
- B. 25
- C. 5
- D. 1 5 Discuss
- 4.
The expression ( - 1 ) 132 is equivalent to : 5- 1 + 3- 1
Options- A. 16 9
- B. - 15 8
- C. 15 8
- D. 17 8 Discuss
- 5. The value of 273 × 34 ÷ 310 is equal to :
Options- A. 9
- B. 27
- C. 81
- D. 1 27 Discuss
- 6.
The value of ( 2 3 ) 2/3 x ( 3 3 ) is : 3 2 2 2
Options- A. 64/3
- B. 82/3
- C. 62/3
- D. 91/3 Discuss
- 7. The value of 12x2y4z3 ÷ (2xy2 × 3yz2) will be :
Options- A. 2xyz
- B. xyz
- C. 1 xyz
- D. 2 xyz Discuss
- 8.
The value of x -2 y -4 ÷ y -2 is : x-3 . y-1 x-1
Options- A. y
- B. 1 y
- C. xy
- D. 1 xy Discuss
- 9. if ?4 × 43/2 ÷ 4-3 = 2x, the value of x will be :
Options- A. 16
- B. 8
- C. 12
- D. 4 Discuss
- 10. The selling price and cost price of an article differs by 480. What is the selling price in case the profit percentage is 20%?
Options- A. 2400
- B. 2500
- C. 2600
- D. 2000 Discuss
Surds and Indices problems
Search Results
Correct Answer: 2
Explanation:
? 102/5 × 108/5 = 10n
? 102/5 + 8/5 = 10n
? 1010/5 = 10n ? 102 = 10n ? n = 2
Hence, the value of n is 2.
Correct Answer: - 3 2 4
Explanation:
Correct Answer: 25
Correct Answer: 15 8
Explanation:
Correct Answer: 27
Explanation:
Correct Answer: 62/3
Correct Answer: 2xyz
Explanation:
Correct Answer: 1 y
Explanation:
Correct Answer: 12
Explanation:
Correct Answer: 2400
Explanation:
SP - CP = 480
1.2x - x = 480
?0.2x = 480
?x = 2400
Comments
There are no comments.More in Aptitude:
Programming
Copyright ©CuriousTab. All rights reserved.