If x, y and z are real numbers such that: x + y + z = 5 and xy + yz + xz = 3, what is the largest value that x can havetake

1.  5/3

2.  √19

3.  13/3

4.  none of these

View Answer  
4
Correct Answer :

√19


Explanation :
No Explanation available for this question

If x = (163 + 173 + 183 + 193), then x divided by 70 leaves a remainder of 

1.  0

2.  1

3.  69

4.  35

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

A chemical plant has four tanks (A, B, C and D), each containing 1000 litres of a chemical. The chemical is being pumped from one tank to another as follows: From A to B @ 20 litres/minute From C to A @ 90 litres/minute From A to D @ 10 litres/minute From C to D @ 50 litres/minute From B to C @ 100 litres/minute From D to B @ 110 litres/minute Which tank gets emptied first and how long does it take (in minutes) to get empty after pumping starts

1.  A, 16.66

2.  C, 20

3.  D, 20

4.  D, 25

View Answer  
4
Correct Answer :

D, 20


Explanation :
No Explanation available for this question

Two identical circles intersect so that their centres, and the points at which they intersect, form a square of side 1 cm. The area in sq. cm of the portion that is common to the two circles is

1.  π/4

2.  (π/2)–1

3.  π/5

4.  √2–1

View Answer  
4
Correct Answer :

(π/2)–1


Explanation :
No Explanation available for this question

A jogging park has two identical circular tracks touching each other, and a rectangular track enclosing the two circles. The edges of the rectangles are tangential to the circles. Two friends, A and B, start jogging simultaneously from the point where one of the circular tracks touches the smaller side of the rectangular track. A jog along the rectangular track, while B jogs along the two circular tracks in a figure of eight. Approximately, how much faster than A does B have to run, so that they take the same time to return to their starting point

1.  3.88%

2.  4.22%

3.  4.44%

4.  4.72%

View Answer  
4
Correct Answer :

4.72\%


Explanation :
No Explanation available for this question

At what time do Ram and Shyam first meet each other

1.  10:00 a.m

2.  10:10 a.m

3.  10:20 a.m

4.  10:30 a.m

View Answer  
4
Correct Answer :

10:10 a.m


Explanation :
No Explanation available for this question

Number S is obtained by squaring the sum of digits of a two digit number D. If the difference between S and D is 27, then the two digit number D is:

1.  24

2.  54

3.  34

4.  45

View Answer  
4
Correct Answer :

54


Explanation :
No Explanation available for this question

At what time does Shyam overtake Ram

1.  10:20 a.m.

2.  10:30 a.m.

3.  10:40 a.m.

4.  10:50 a.m.

View Answer  
4
Correct Answer :

10:30 a.m.


Explanation :
No Explanation available for this question

Convert the number 1982 from base 10 to base 12. The result is:

1.  1182

2.  1912

3.  1192

4.  1292

View Answer  
4
Correct Answer :

1192


Explanation :
No Explanation available for this question

The integers 34041 and 32506 when divided by a three-digit integer n leave the same remainder. What is n

1.  289

2.  367

3.  453

4.  307

View Answer  
4
Correct Answer :

307


Explanation :
No Explanation available for this question
Next

Interview Questions

MongoDB
Java Script
Node JS
PHP
JQuery
Python