Discussion
Home ‣ Aptitude ‣ Surds and Indices Comments
- Question
- Solve the below equation and find the value of ?.
?(13)4 =?
Options- A. 520
- B. 169
- C. 28561
- D. 14280
- Correct Answer
- 169
Explanation? = ?(13)4 = ?13 x 13 x 13 x 13
Apply the rule of square root.
= 13 x 13 = 169 - 1. A has to pay $ 22 to B after 1 year. B asks A to pay $ 110 in cash and defers the payment of $ 110 for 2 years. A agrees to it. Counting the rate of interest at 10% per annum in this new mode of payment,
Options- A. there is no gain or loss to anyone.
- B. A gains $ 7.34
- C. A loses $ 7.34
- D. A gains $ 11 Discuss
- 2. What is the rate of interest when the P.W. of $ 1245 due in 15 months is $ 1200?
Options- A. 3%
- B. 4%
- C. 6%
- D. 5% Discuss
- 3. What rate of interest does a man get for his money when in discounting a bill due in 10 months, he deducts 4 % of the amount of the bill?
Options- A. 5%
- B. 6%
- C. 8%
- D. 4% Discuss
- 4. If the discount on $ 249 at 5 % S.I. be $ 9, when is the sum due?
Options- A. 6 months
- B. 4 months
- C. 9 months
- D. 7 months Discuss
- 5. The B.G. on a certain sum due in 5 years is 3/23 of B.D. Here, the rate of interest is :
Options- A. 6%
- B. 5%
- C. 4%
- D. 3% Discuss
- 6. 163/2 + 16 -3/2 =?
Options- A. 0
- B. 4097/64
- C. 1
- D. 16/9097 Discuss
- 7. [(12)-2]2/[(12)2]-2 =?
Options- A. 12
- B. 4.8
- C. 12/144
- D. 1 Discuss
- 8. (16)9 ÷ (16)4 x (16)3 = (16)?
Options- A. 6.75
- B. 8
- C. 10
- D. 12 Discuss
- 9. [ (11)3 x (6)2] ÷ (4)3 =?
Options- A. 2994.75
- B. 748.6875
- C. 272.25
- D. 4492.125 Discuss
- 10. Solve the following:
? =?103823
Options- A. 49
- B. 51
- C. 45
- D. 47 Discuss
Surds and Indices problems
Search Results
Correct Answer: A gains $ 7.34
Explanation:
Correct Answer: 3%
Explanation:
Correct Answer: 5%
Explanation:
Correct Answer: 9 months
Explanation:
Correct Answer: 3%
Explanation:
Correct Answer: 4097/64
Explanation:
163/2 + 16-3/2
Apply the law of Fractional Exponents and Laws of Exponents
am x an = am+n
a-m = 1/am
?163/2 + 1/163/2
?(161/2)3 + 1/(161/2)3
?(42 x 1/2)3 + 1/(42 x 1/2)3
?43 + 1/43
? 64 + 1/64
? (64 x 64+ 1)/64
= (4096+1)/64
= 4097/64
Correct Answer: 1
Explanation:
? = [(12)-2]2/[(12)2]-2
Apply the Algebra Law,
(am)n = amn
= (12) - 4/(12) - 4
= 1
Correct Answer: 8
Explanation:
Given that ,(16)9 ÷ (16)4 x (16) 3 = (16)?
Apply the law of Fractional Exponents and Laws of Exponents
(am) x (an) = am + n-------------------1
am ÷ an = am ? n----------------2
? (16)9 ÷ (16)4 x (16) 3 = (16)?
? (16)? = (16)9 + 3 - 4
? ? = 12 - 4 = 8
Correct Answer: 748.6875
Explanation:
? = [ (11)3 x (6)2 ] x 1/43
? = [ 113 x 62 ] x 1/43
Solve the equation by algebra law.
?= [ 1331 x 36 ] x 1/64 =1331 x 36 / 64
? = 748.6875
Correct Answer: 47
Explanation:
? = ?103823
? = ?(47) 3
Apply the Law of Algebra
? = [(47)3]1/3
? = 473 x 1/3 = 47
? = 47
Comments
There are no comments.More in Aptitude:
Programming
Copyright ©CuriousTab. All rights reserved.