Question:

  1. The value of \(\frac{1}{2}+\frac{1}{2\times3}+\frac{1}{2\times3\times4}+\frac{1}{2\times3\times4\times5}\)  up to three places of decimal is

Options:
A.0.715
B.0.716
C.0.717
D.0.718
Answer: Option C

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More Questions Related to Quantitative Aptitude > Decimal Fractions :

Question 1.

Options:
  1.    7
  2.    9
  3.    63
  4.    16
Answer: Option C
Question 2.

\((\sqrt{2}-\frac{1}{\sqrt{2}})^{2}\) = ?

Options:
  1.    0.5
  2.    1
  3.    1.5
  4.    2
Answer: Option A
Question 3.

  1. 3475 × 0.999 is

Options:
  1.    34706.25
  2.    3472.515
  3.    347.525
  4.    3471.525
Answer: Option D
Question 4.

  1. When simplified the product  \(\left(1-\frac{1}{3}\right)\left(1-\frac{1}{4}\right)\left(1-\frac{1}{5}\right)......\left(1-\frac{1}{n}\right)\)  equals

Options:
  1.    \(\frac{1}{n}\)
  2.    \(\frac{2}{n}\)
  3.    \(\frac{3}{n}\)
  4.    \(\frac{4}{n}\)
Answer: Option B
Question 5.

  1. The sum and product of two numbers is 8 and 15 respectively. The sum of their reciprocals is

Options:
  1.    \(\frac{1}{8}\)
  2.    \(\frac{1}{15}\)
  3.    \(\frac{8}{15}\)
  4.    \(\frac{15}{8}\)
Answer: Option C
Question 6.

  1. The fractions given below are in their lowest terms. Supply the missing figures.  \(5\frac{1}{*}\times*\frac{3}{4}\)  = 20

Options:
  1.    3 , 1
  2.    4 , 1
  3.    1 , 5
  4.    3, 3
Answer: Option D