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Question Detail
(3080 + 6160) / 28
- 380
- 350
- 330
- 310
Answer: Option C
Explanation:
As per BODMAS rule, first we will solve the equation in bracket then we will go for division
= (9240)/28 = 330
1. \begin{aligned}
(3\frac{1}{4}\div \{1\frac{1}{4} - \frac{1}{2}(2\frac{1}{2} - \overline {\frac{1}{4} - \frac{1}{6}} ) \} )
\end{aligned}
- 78
- 88
- 98
- 108
Answer: Option A
Explanation:
Tip:
As you can see, there is bar over
\begin{aligned}
\overline{\frac{1}{4}-\frac{1}{6}}
\end{aligned}
So their sign will be changed from - to + as
\begin{aligned}
\frac{1}{4}+\frac{1}{6}
\end{aligned}
2. Company workers decided to raise Rs. 3 lakhs by equal contribution from each. Had they contributed Rs. 50 each extra, the contribution would have been Rs. 3.25 lakhs. How many workers were they?
- 300
- 400
- 500
- 600
Answer: Option C
Explanation:
N * 50 = (325000 - 300000) = 25000
N = 25000 / 50
= 500
3. \begin{aligned}
\frac{4+4 \times 18 -6 - 8}{123 \times 6 - 146 \times 5 }
\end{aligned}
- 7.50
- 7.75
- 8
- 8.05
Answer: Option B
Explanation:
\begin{aligned}
\frac{4+72-6-8}{738-730}
\end{aligned}
\begin{aligned}
= \frac{76-14}{8}
\end{aligned}
\begin{aligned}
= \frac{62}{8} = 7.75
\end{aligned}
4. \begin{aligned} 3034 -(1002 \div 20.04) = ? \end{aligned}
- 1964
- 1984
- 2964
- 2984
Answer: Option D
Explanation:
\begin{aligned}
= 3034 -( \frac{1002}{2004} \times 100)
\end{aligned}
\begin{aligned}
= 3034 - 50 = 2984
\end{aligned}
5. (3080 + 6160) / 28
- 380
- 350
- 330
- 310
Answer: Option C
Explanation:
As per BODMAS rule, first we will solve the equation in bracket then we will go for division
= (9240)/28 = 330
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