# Quiz Discussion

If $$3a = 4b = 6c$$  and $$a + b + c = 27\sqrt {29} { \text{,}}$$ then$$\sqrt {{a^2} + {b^2} + {c^2}}$$is ?

Course Name: Quantitative Aptitude

• 1]

$$3\sqrt {29}$$

• 2]

81

• 3]

87

• 4]

None of these

##### Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

The smallest natural number which is a perfect square and which ends in 3 identical digits lies between ?

• 1] 1000 and 2000
• 2] 2000 and 3000
• 3] 3000 and 4000
• 4] 4000 and 5000
##### Solution
3
Discuss

Which smallest number must be added to 710 so that the sum is a perfect cube ?

• 1] 11
• 2] 19
• 3] 21
• 4] 29
##### Solution
4
Discuss

What is the least number to be added to 7700 to make it a perfect square ?

• 1] 77
• 2] 98
• 3] 131
• 4] 221
• 5] None of these
##### Solution
5
Discuss

If a = 0.1039, then the value of $$\sqrt {4{a^2} - 4a + 1} + 3a$$     is:

• 1] 0.1039
• 2] 0.2078
• 3] 1.1039
• 4] 2.1039
##### Solution
6
Discuss

The least number of 4 digits which is a perfect square is = ?

• 1] 1000
• 2] 1016
• 3] 1024
• 4] 1036
##### Solution
7
Discuss

If $$a = \frac{{\sqrt 3 + \sqrt 2 }}{{\sqrt 3 - \sqrt 2 }}, b = \frac{{\sqrt 3 - \sqrt 2 }}{{\sqrt 3 + \sqrt 2 }}$$   then the value of $${a^2} + {b^2}$$   would be = ?

• 1] 10
• 2] 98
• 3] 99
• 4] 100
##### Solution
8
Discuss

If $$3\sqrt 5 + \sqrt {125}$$   = 17.88, then what will be the value of $$\sqrt {80} + 6\sqrt 5 ?$$

• 1] 13.41
• 2] 20.46
• 3] 21.66
• 4] 22.35
##### Solution
9
Discuss

The least perfect square number divisible by 3, 4, 5, 6 and 8 is = ?

• 1] 900
• 2] 1200
• 3] 2500
• 4] 3600
##### Solution
10
Discuss

1250 oranges were distributed among a group of girls of a class. Each girl got twice as many oranges as the number of girls in that group. The number of girls in the group was = ?

• 1] 25
• 2] 45
• 3] 50
• 4] 100
# Quiz