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617 + 6.017 + 0.617 + 6.0017 = ?

  • 62.96357
  • 62963.57
  • 62.96357
  • 629.6357

Answer: Option D

Similar Questions :

1. What decimal of an hour is a second

  • .0028
  • .0027
  • .0026
  • .0025

Answer: Option B

Explanation:

1/(60*60) = 1/3600 = .0027

2. Evaluate 35 / .07

  • 400
  • 500
  • 505
  • None of above

Answer: Option B

Explanation:

35/.07 = 3500/7 = 500

3. 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

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. 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

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