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Question Detail
Evaluate
\begin{aligned}
3.\overline{14}
\end{aligned}
- \begin{aligned} 3\frac{14}{99} \end{aligned}
- \begin{aligned} \frac{14}{99} \end{aligned}
- \begin{aligned} 3\frac{14}{90} \end{aligned}
- \begin{aligned} 3\frac{1400}{99} \end{aligned}
Answer: Option A
Explanation:
when there is bar above a number, we can simplify it by dividing with 9's (equal to the number below bar, in this question 2 digits are below bar)
1. Correct expression of \begin{aligned}
6.\overline{46}
\end{aligned} is
- \begin{aligned} \frac{640}{99} \end{aligned}
- \begin{aligned} \frac{640}{90} \end{aligned}
- \begin{aligned} \frac{64000}{99} \end{aligned}
- \begin{aligned} \frac{640}{9} \end{aligned}
Answer: Option A
Explanation:
\begin{aligned}
6.\overline{46} = 6 + 0.\overline{46}
= 6 + \frac{46}{99}
= 6\frac{46}{99} = \frac{640}{99}
\end{aligned}
2. What is difference between biggest and smallest fraction among 2/3, 3/4, 4/5 and 5/6
- 2/5
- 3/5
- 1/6
- 1/7
Answer: Option C
Explanation:
2/3 = .66, 3/4 = .75, 4/5 = .8 and 5/6 = .833
So biggest is 5/6 and smallest is 2/3
Their difference is 5/6 - 2/3 = 1/6
3. Arrange the fractions in ascending order
- 5/8 < 7/12 < 3/4< 13/16
- 5/8 < 7/12 < 13/16 < 3/4
- 5/8 < 3/4< 13/16 < 7/12
- 7/12 < 5/8 < 3/4< 13/16
Answer: Option D
Explanation:
5/8 = .625, 7/12 = .5833, 3/4 = .75, 13/16 = .8125
So order will be
7/12 < 5/8 < 3/4< 13/16
4. Find the value of X
3889 + 12.952 - X = 3854.002
- 47.95
- 44.95
- 43.95
- 40.95
Answer: Option A
5. Evaluate 2.5 / .0005
- 5000
- 500
- 50000
- 50
Answer: Option A
Explanation:
2.5 * 10000 / 5 = 25000/5 = 5000
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