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Quantitative Aptitude

SIMPLIFICATION MCQs

Simplication

Total Questions : 1537 | Page 14 of 154 pages
Question 131. $$\sqrt {\frac{{0.25}}{{0.0009}}} \times \sqrt {\frac{{0.09}}{{0.36}}} $$     is equal to ?
  1.    $$\frac{5}{6}$$
  2.    $${\text{7}}\frac{1}{6}$$
  3.    $${\text{7}}\frac{1}{3}$$
  4.    $${\text{8}}\frac{1}{3}$$
 Discuss Question
Answer: Option D. -> $${\text{8}}\frac{1}{3}$$
Question 132. The value of $$\sqrt {32} $$  - $$\sqrt {128} $$  + $$\sqrt {50} $$ correct to 3 places of decimal is $$\sqrt {32} $$  - $$\sqrt {128} $$  + $$\sqrt {50} $$  = ?
  1.    1.732
  2.    1.141
  3.    1.414
  4.    1.441
 Discuss Question
Answer: Option C. -> 1.414
Question 133. $$\frac{{{a^2} - {b^2} - 2bc - {c^2}}}{{{a^2} + {b^2} + 2ab - {c^2}}}$$     is equivalent to = ?
  1.    $$\frac{{a - b + c}}{{a + b + c}}$$
  2.    $$\frac{{a - b - c}}{{a - b + c}}$$
  3.    $$\frac{{a - b - c}}{{a + b - c}}$$
  4.    $$\frac{{a + b + c}}{{a - b + c}}$$
 Discuss Question
Answer: Option C. -> $$\frac{{a - b - c}}{{a + b - c}}$$
Question 134. If a + b + c = 2s, then the value of (s - a)2 + (s - b)2 + (s - c)2 + s2 will be-
  1.    s2 - a2 - b2 - c2
  2.    s2 + a2 + b2 + c2
  3.    a2 + b2 + c2
  4.    4s2 - a2 - b2 - c2
 Discuss Question
Answer: Option C. -> a2 + b2 + c2
Question 135. The value of $$\sqrt {400} $$  + $$\sqrt {0.0400} $$   + $$\sqrt {0.000004} $$   = ?
  1.    0.222
  2.    20.22
  3.    20.202
  4.    2.022
 Discuss Question
Answer: Option C. -> 20.202
Question 136. The value of $$\frac{{{{\left( {a + b} \right)}^2}}}{{\left( {{a^2} - {b^2}} \right)}}{\text{is}}\, = {\text{?}}$$
  1.    $$\frac{{ab}}{{a + b}}$$
  2.    $$\frac{{2ab}}{{a - b}}$$
  3.    $$\frac{{a + b}}{{a - b}}$$
  4.    None of these
 Discuss Question
Answer: Option C. -> $$\frac{{a + b}}{{a - b}}$$
Question 137. If $$\sqrt 3 {\text{ = 1}}{\text{.7321,}}$$   then the value of $$\sqrt {192} - \frac{1}{2}\sqrt {48} - \sqrt {75} {\text{,}}$$     correct to 3 place of decimal, is = ?
  1.    8.661
  2.    4.331
  3.    1.732
  4.    -1.732
 Discuss Question
Answer: Option C. -> 1.732
Question 138. The number, whose square is equal to the difference of the squares of 75.15 and 60.12, is = ?
  1.    46.09
  2.    48.09
  3.    45.09
  4.    47.09
 Discuss Question
Answer: Option C. -> 45.09
Question 139. 32 shirt pieces of 120cm each can be cut from a reel of cloth. After cutting these pieces 80 cm of cloth remains. What is the length of reel of cloth in meters?
  1.    38.70 meters
  2.    39.20 meters
  3.    3870 meters
  4.    3920 meters
 Discuss Question
Answer: Option B. -> 39.20 meters
Question 140. The value of $$\frac{2}{3} \times \frac{3}{{\frac{5}{6} \div \frac{2}{3}{\text{ of 1}}\frac{1}{4}}} = ?$$
  1.    2
  2.    1
  3.    $$\frac{1}{2}$$
  4.    $$\frac{2}{3}$$
 Discuss Question
Answer: Option A. -> 2

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