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Evaluate
6202.5 + 620.25 + 62.025 + 6.2025 + .62025

  • 6791.59775
  • 6891.59775
  • 6891.59675
  • 5891.59775

Answer: Option B

Explanation:

Just we need to take care to put decimal under decimal, rest add in a simple way

Similar Questions :

1. Evaluate 2.5 / .0005

  • 5000
  • 500
  • 50000
  • 50

Answer: Option A

Explanation:

2.5 * 10000 / 5 = 25000/5 = 5000

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. Find the value of X
3889 + 12.952 - X = 3854.002

  • 47.95
  • 44.95
  • 43.95
  • 40.95

Answer: Option A

4. Which is in descending order

  • 11/17, 7/11, 8/15, 5/9
  • 11/17, 5/9, 7/11, 8/15
  • 5/9, 8/15, 11/17, 7/11
  • 11/17, 7/11, 5/9, 8/15

Answer: Option D

5. Evaluate
\begin{aligned}
\frac{2.39^2 - 1.61^2}{2.39 - 1.61}
\end{aligned}

  • 2
  • 3
  • 4
  • 5

Answer: Option C

Explanation:

Use following formula to solve it quickly
\begin{aligned}
\frac{a^2-b^2}{a-b}=\frac{(a+b)(a-b)}{(a-b)} = (a+b)
\end{aligned}
= (2.39+1.61) = 4

Read more from - Decimal Fraction Questions Answers
Post a comment

  • Jenaya 11 years ago

    It's always a rleeif when someone with obvious expertise answers. Thanks!

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