Quiz Discussion

\(\frac{1}{{\left( {\sqrt 9 - \sqrt 8 } \right)}} -   \frac{1}{{\left( {\sqrt 8 - \sqrt 7 } \right)}} +   \frac{1}{{\left( {\sqrt 7 - \sqrt 6 } \right)}} -   \frac{1}{{\left( {\sqrt 6 - \sqrt 5 } \right)}} +   \frac{1}{{\left( {\sqrt 5 - \sqrt 4 } \right)}}\)   is equal to ?

 

Course Name: Quantitative Aptitude

  • 1]

    0

  • 2]

    1/3

  • 3]

    1

  • 4]

    5

Solution
No Solution Present Yet

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# Quiz
1
Discuss

Three fifth of the square of a certain number is 126.15, What is the number?

  • 1]

    210.25

  • 2]

    75.69

  • 3]

    14.5

  • 4]

    145

Solution
2
Discuss

By what least number 4320 be multiplied to obtain a number which is a perfect cube?

  • 1]

    35

  • 2]

    48

  • 3]

    50

  • 4]

    62

Solution
3
Discuss

If x=.and y= find value of  is

  • 1]

    13

  • 2]

    14

  • 3]

    15

  • 4]

    16

Solution
4
Discuss

If \(\sqrt 5 = 2.236{ \text{,}}\)   then the value of \(\frac{1}{{\sqrt 5 }} \) is = ?

 

  • 1] 0.367
  • 2] 0.447
  • 3] 0.745
  • 4] None of these
Solution
5
Discuss

If √x+x/y  = x√x/y  where x and y are positive real numbers, then y is equal to ?

 

  • 1]

    x + 1

  • 2]

    x - 1

  • 3]

    x2 + 1

  • 4]

    x2 - 1

Solution
6
Discuss

For what value of * the statement  = 1 is true?

 

  • 1] 15
  • 2] 25
  • 3] 35
  • 4] 45
Solution
7
Discuss

What is \(\frac{{5 + \sqrt {10} }}{{5\sqrt 5 - 2\sqrt {20} - \sqrt {32} + \sqrt {50} }}\)      equal to ?

 

  • 1]

    5

  • 2]

    \(5\sqrt 2 \)

  • 3]

    \(5\sqrt 5 \)

  • 4]

    \(\sqrt 5 \)

Solution
8
Discuss

A mobile company offered to pay the Indian Cricket Team as much money per run scored by the side as the total number it gets in a one-dayer against Australia. Which one of the following cannot be the total amount to be spent by the company in this deal ?

  • 1] 21904
  • 2] 56169
  • 3] 101761
  • 4] 121108
Solution
9
Discuss

Evaluate -

  • 1]

    3

  • 2]

    5

  • 3]

    6

  • 4]

    6.4

Solution
10
Discuss

If \(\sqrt 6 = 2.449{ \text{,}}\)   then the value of \(\frac{{3\sqrt 2 }}{{2\sqrt 3 }}\)   is = ?

 

  • 1] 0.6122
  • 2] 0.8163
  • 3] 1.223
  • 4] 1.2245
Solution
# Quiz