Lakshya Education MCQs

Question: Given that ( 12 + 22 + 32 + .......... + 102 ) = 385, then the value of ( 22 + 32 + 42 + .......... + 202 ) is equal to = ?
Options:
A.770
B.1155
C.1540
D.(385)2
Answer: Option C

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Question 1. $$\frac{{\root 3 \of 8 }}{{\sqrt {16} }} \div \sqrt {\frac{{100}}{{49}}} \times \root 3 \of {125} $$      is equal to = ?
  1.    7
  2.    $$1\frac{3}{4}$$
  3.    $$\frac{7}{{1000}}$$
  4.    $$\frac{4}{7}$$
Answer: Option B
Question 2. When $$\left( {\frac{1}{2} - \frac{1}{4} + \frac{1}{5} - \frac{1}{6}} \right)$$    is divided by $$\left( {\frac{2}{5} - \frac{5}{9} + \frac{3}{5} - \frac{7}{{18}}} \right){\text{,}}$$     then the result is = ?
  1.    $${\text{5}}\frac{1}{{10}}$$
  2.    $${\text{2}}\frac{1}{{18}}$$
  3.    $${\text{3}}\frac{1}{6}$$
  4.    $${\text{3}}\frac{3}{{10}}$$
Answer: Option A
Question 3. $$\left\{ {\left( {\sqrt {72} - \sqrt {18} } \right) \div \sqrt {12} } \right\}$$     is equal to = ?
  1.    $$\sqrt 6 $$
  2.    $$\frac{{\sqrt 3 }}{2}$$
  3.    $$\frac{{\sqrt 2 }}{3}$$
  4.    $$\frac{{\sqrt 6 }}{2}$$
Answer: Option D
Question 4. The value of x in the equation $$\frac{{113 \times 4 - x \times 2}}{{13 \times 9 - 5 \times 7}}{\text{ = 5}}$$     is?
  1.    21
  2.    27
  3.    35
  4.    42
Answer: Option A
Question 5. If $${\text{45 - }}\left[ {28 - \left\{ {37 - \left( {15 - *} \right)} \right\}} \right] = 58$$       then * equal to?
  1.    -29
  2.    -19
  3.    19
  4.    29
Answer: Option C
Question 6. Find the value of, $$\sqrt {4 + \sqrt {44 + \sqrt {10000} } } $$
  1.    12
  2.    8
  3.    4
  4.    -4
Answer: Option C

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