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Question Detail
15.06 * 0.0001 = ?
- 15060000
- 0.001506
- 0.01506
- 0.1506
Answer: Option B
Explanation:
Clearly after decimal 6 digits should be there.
1. \begin{aligned}
(0.34\overline{67} + 0.13\overline{33}) = ?
\end{aligned}
- \begin{aligned} 0.048\overline{01} \end{aligned}
- \begin{aligned} 4.8\overline{01} \end{aligned}
- \begin{aligned} 48.\overline{01} \end{aligned}
- \begin{aligned} 0.48\overline{01} \end{aligned}
Answer: Option D
Explanation:
\begin{aligned}
(0.34\overline{67} + 0.13\overline{33})\end{aligned}
\begin{aligned} =
\frac{3467-34}{9900} + \frac{1333-13}{9900}
\end{aligned}
\begin{aligned}
= \frac{3433 + 1320}{9900}
= \frac{4753}{9900}
\end{aligned}
\begin{aligned}
= \frac{4801 - 48}{9900}
= 0.48\overline{01}
\end{aligned}
2. What will be the value of
\begin{aligned}
25.732^2 - 15.732^2
\end{aligned}
- 214.64
- 314.64
- 414.64
- 412.64
Answer: Option C
Explanation:
Can be easily solved with following formula
\begin{aligned}
a^2 - b^2 = (a - b)(a + b)
\end{aligned}
3. 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
4. 34.95 + 240.016 + 23.98 = ?
- 288.946
- 298.946
- 198.946
- 188.946
Answer: Option B
5. 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}
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