Quiz Discussion

\(\frac{{{{\left( {a - b} \right)}^2} - {{\left( {a + b} \right)}^2}}}{{ - 4a}}{ \text{ = }}\frac{x}{y}\)     On simplifying the given equations, which of the following equations will be obtained ?

 

Course Name: Quantitative Aptitude

  • 1] xy = b
  • 2] bx = y
  • 3] ab = x
  • 4] yb = x
  • 5] ay = x
Solution
No Solution Present Yet

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# Quiz
1
Discuss

If \(x = \sqrt 3 { \text{ + }}\sqrt 2 { \text{,}}   \) then the value of \({x^3} - \frac{1}{{{x^3}}}\)  is?

 

  • 1]

    \(10\sqrt 2 \)

  • 2]

    \(14\sqrt 2\)

  • 3]

    \(22\sqrt 2\)

  • 4]

    \(8\sqrt 2\)

Solution
2
Discuss

If \(\root 3 \of {{3^n}} { \text{ = 27,}}\)  then the value of n is = ?

 

  • 1] 9
  • 2] 6
  • 3] 1
  • 4] 3
Solution
3
Discuss

If a - b = 3 and a2 + b2 = 29, find the value of ab = ?

  • 1] 10
  • 2] 12
  • 3] 15
  • 4] 18
Solution
4
Discuss

Assume that \(\sqrt {13} \) = 3.605(approximately) and \(\sqrt {130}\)  = 11.40(approximately) Find the value of: \(\sqrt {1.3}\) + \(\sqrt {1300}\)  + \(\sqrt {0.013}\)

 

  • 1] 36.164
  • 2] 36.304
  • 3] 37.304
  • 4] 37.164
Solution
5
Discuss

A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes of each denomination is equal. What is the total number of notes that he has ?

  • 1] 45
  • 2] 60
  • 3] 75
  • 4] 90
  • 5] None of these
Solution
6
Discuss

What number must be added to the expression 16a2 - 12a to make a perfect square ?

  • 1]

    9/4

  • 2]

    11/2

  • 3]

    13/2

  • 4]

    16

Solution
7
Discuss

On simplification the value of \({ \text{1}} - \frac{1}{{1 + \sqrt 2 }}{ \text{ + }}  \frac{1}{{1 - \sqrt 2 }}\)  is = ?

 

  • 1]

    \(2\sqrt 2 - 1\)

  • 2]

    \(1 - 2\sqrt 2 \)

  • 3]

    \(1 - \sqrt 2 \)

  • 4]

    \( - 2\sqrt 2 \)

Solution
8
Discuss

(98764 + 89881 + 99763 + 66342) ÷ (1186 + ? + 1040 + 1870) = 55

  • 1] 2254
  • 2] 2354
  • 3] 2368
  • 4] 2404
  • 5] None of these
Solution
9
Discuss

Find the value of * in the following. \({ \text{1}}\frac{2}{3} \div \frac{2}{7} \times \frac{*}{7} = 1\frac{1}{4} \times \frac{2}{3} \div \frac{1}{6}\)

 

  • 1]

    0.006

  • 2]

    1/6

  • 3]

    0.6

  • 4]

    6

Solution
10
Discuss

The lowest temperature in the night in a city is one third more than 1/2 the highest during the day. Sum of the lowest temperature and the highest temperature is 100 degrees. Then what is the lowest temperature?

 

  • 1] 30 degrees
  • 2] 40 degrees
  • 3] 36 degrees
  • 4] None of these
Solution
# Quiz