Navigate

Question Detail

Evaluate 28% of 450 + 45% of 280

  • 232
  • 242
  • 252
  • 262

Answer: Option C

Explanation:

= (28/100) * 450 + (45/100) * 280
= 126 + 126 = 252

Similar Questions :

1. What will be the fraction of 20%

  • 1/4
  • 1/5
  • 1/10
  • None of above

Answer: Option B

Explanation:

It will 20*1/100 = 1/5

2. In expressing a length of 81.472 km as nearly as possible with the three significant digits, find the percentage error

  • 0.35%
  • 0.34%
  • 0.034%
  • 0.035%

Answer: Option C

Explanation:

Error = (81.5 - 81.472) = 0.028
Required percentage = \begin{aligned}
\frac{0.028}{81.472} \times 100 = 0.034 %
\end{aligned}

3. Half of 1 percent written as decimal is

  • 5
  • 0.5
  • 0.05
  • 0.005

Answer: Option D

Explanation:

It will be 1/2(1%) = 1/2(1/100) = 1/200 = 0.005

4. 2 is what percent of 50

  • 2%
  • 4%
  • 6%
  • 8%

Answer: Option B

Explanation:

2/50 * 100 = 1/25 * 100 = 4 %

5. A housewife saved Rs. 2.50 in buying an item on sale. If she spent Rs. 25 for the item, approximately how much percent she saved in the transaction

  • 9%
  • 10%
  • 11%
  • 12%

Answer: Option A

Explanation:

Actual Price = Rs.25 + Rs.2.50 = Rs.27.5

Saving = Rs.2.5

\begin{aligned}\text{Percentage Saving = }\dfrac{2.5}{27.5}\times 100 \\
= \dfrac{250}{27.5} = \dfrac{2500}{275}\\
= \dfrac{100}{11} = 9\dfrac{1}{11}\% \approx 9\%\end{aligned}

Read more from - Percentage Questions Answers