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Question Detail
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}
1. 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}
2. If 144/0.144 = 14.4/x, then x = ?
- 0.144
- 0.0144
- .00144
- 1.44
Answer: Option B
3. Evaluate
\begin{aligned}
\frac{3.6 \times 0.48 \times 2.50}{0.12 \times 0.09 \times 0.5}
\end{aligned}
- 80
- 800
- 8000
- 80000
Answer: Option B
Explanation:
\begin{aligned}
\frac{3.6 \times 0.48 \times 2.50}{0.12 \times 0.09 \times 0.5}
\end{aligned}
\begin{aligned}
= \frac{36 \times 48 \times 250}{12 \times 9 \times 5} = 800
\end{aligned}
4. 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
5. 0.5 * 0.002 = ?
- 0.0001
- 0.01
- 0.1
- 0.001
Answer: Option D
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