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Question Detail
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}
1. 34.95 + 240.016 + 23.98 = ?
- 288.946
- 298.946
- 198.946
- 188.946
Answer: Option B
2. 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)
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. 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. 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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