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Question Detail
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}
1. Find the value of X
3889 + 12.952 - X = 3854.002
- 47.95
- 44.95
- 43.95
- 40.95
Answer: Option A
2. Value of
\begin{aligned}
0.5\overline{6}
\end{aligned}
- \begin{aligned} \frac{51}{99} \end{aligned}
- \begin{aligned} \frac{51}{90} \end{aligned}
- \begin{aligned} \frac{51}{9} \end{aligned}
- \begin{aligned} \frac{510}{99} \end{aligned}
Answer: Option B
Explanation:
\begin{aligned}
0.5\overline{6} = \frac {56 - 5}{90} = \frac {51}{90}
\end{aligned}
3. \begin{aligned}
\frac{5 \times 1.6 - 2 \times 1.4}{1.3} = ?
\end{aligned}
- 1
- 2
- 3
- 4
- 5
Answer: Option D
Explanation:
As per given equation we can solve like this :
\begin{aligned}
= \frac{8 - 2.8}{1.3} \\
= \frac{5.2}{1.3} = \frac{52}{13} \\
= 4
\end{aligned}
4. 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
5. What decimal of an hour is a second
- .0028
- .0027
- .0026
- .0025
Answer: Option B
Explanation:
1/(60*60) = 1/3600 = .0027
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