Aptitude - Decimal Fraction - Discussion
Discussion Forum : Decimal Fraction - General Questions (Q.No. 4)
4.
| The value of | 0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02 | is: |
| 0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04 |
Answer: Option
Explanation:
| Given expression = | (0.1)3 + (0.02)3 | = | 1 | = 0.125 |
| 23 [(0.1)3 + (0.02)3] | 8 |
Discussion:
37 comments Page 4 of 4.
Jyoti shah said:
5 years ago
Sir, I really don't understand that how can we pick .0.2 common from only one denominator when there's another denominator as 0.04.
Please explain in detail.
Please explain in detail.
(6)
Vikram said:
3 years ago
Anyone, tell how it's came 1/8 = 0.125?
Please explain.
Please explain.
(4)
Saurabh said:
3 years ago
Just simply take 2^3 as common in the denominator.
(0.1)^3 + (0.02)^3/2^3(0.1^3+0.02^3),
= 1/2^3 = 1/8,
= 0.125.
(0.1)^3 + (0.02)^3/2^3(0.1^3+0.02^3),
= 1/2^3 = 1/8,
= 0.125.
(1)
Vishwajanani said:
1 year ago
1*1*1* + 2*2*2 / 2*2*2 + 4*4*4,
1+8 / 8+64 = 9/72.
1/8 = 0.125.
1+8 / 8+64 = 9/72.
1/8 = 0.125.
(11)
Ashrafalmaas said:
4 months ago
By dividing 1/8=0.125.
Sheershika said:
2 months ago
Thanks all for explaining the answer.
Aravind said:
2 weeks ago
The answer is 0.125 and another answer came 0.25.
I prove the answer, first, by converting the decimal numbers into numbers.
0.1 * 10 = 1.
0.2 * 10 = 2.
0.04 * 100 = 4.
Hence , it is;
1^3 = 1
2^3 = 2 * 2 * 2 = 8.
4^3 = 4 * 4 * 4 = 64.
1/8 adding to 8/64 = 9/72 = 1/8 = 0.125.
And another way is 1/8 and adding 8/64.
16/64 = 1/4
= 0.25.
I prove the answer, first, by converting the decimal numbers into numbers.
0.1 * 10 = 1.
0.2 * 10 = 2.
0.04 * 100 = 4.
Hence , it is;
1^3 = 1
2^3 = 2 * 2 * 2 = 8.
4^3 = 4 * 4 * 4 = 64.
1/8 adding to 8/64 = 9/72 = 1/8 = 0.125.
And another way is 1/8 and adding 8/64.
16/64 = 1/4
= 0.25.
(1)
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers