Practice MCQ Questions and Answer on Decimal Fraction

81.

Solve 3899 ÷ 11.99 - 2379 ÷ 13.97 = ?

  • (A) 125
  • (B) 250
  • (C) 155
  • (D) 135

82.

34.95 + 240.016 + 23.98 = ?

  • (A) 298.0946
  • (B) 298.111
  • (C) 298.946
  • (D) 299.09

83.

Which of the following numbers does not lie between $$\frac{4}{5}$$ and $$\frac{7}{13}$$ = ?

  • (A) $$\frac{1}{2}$$
  • (B) $$\frac{2}{3}$$
  • (C) $$\frac{3}{4}$$
  • (D) $$\frac{5}{7}$$

84.

(55.25)2 - 637.5625 = ?

  • (A) 25.25
  • (B) 625
  • (C) 1375
  • (D) 2415

85.

The correct expression of $$6.\overline {46}\,$$ in the fractional form is:

  • (A) $$\frac{{646}}{{99}}$$
  • (B) $$\frac{{64640}}{{1000}}$$
  • (C) $$\frac{{640}}{{100}}$$
  • (D) $$\frac{{640}}{{99}}$$

86.

Solve $$\sqrt {197} $$ × 6.99 + 626.96 = ?

  • (A) 885
  • (B) 725
  • (C) 825
  • (D) 650

87.

The numerator of a fraction is decreased by 25% and the denominator is increased by 250%. If the resultant fraction is $$\frac{6}{5}$$, what is the original fraction ?

  • (A) $$\frac{22}{5}$$
  • (B) $$\frac{24}{5}$$
  • (C) $$\frac{27}{6}$$
  • (D) $$\frac{28}{5}$$

88.

$$\frac{{4.2 \times 4.2 - 1.9 \times 1.9}}{{2.3 \times 6.1}}$$    is equal to:

  • (A) 0.5
  • (B) 1
  • (C) 20
  • (D) 22

89.

The expression : $$\frac{3}{4}$$ + $$\frac{5}{36}$$ + $$\frac{7}{144}$$ + ..... + $$\frac{17}{5184}$$ + $$\frac{19}{8100}$$ is equal to :

  • (A) 0.9
  • (B) 0.95
  • (C) 0.99
  • (D) 1.91

90.

$${2.8\overline {768} }$$   is equal to :

  • (A) $$2\frac{878}{999}$$
  • (B) $$2\frac{9}{10}$$
  • (C) $$2\frac{292}{333}$$
  • (D) $$2\frac{4394}{4995}$$