Test of Knowledge

Aptitude

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Aptitude Round

1 / 20

3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?

2 / 20

If 20% of a = b, then b% of 20 is the same as:

3 / 20

The least perfect square, which is divisible by each of 21, 36 and 66 is:

4 / 20

Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.

5 / 20

The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:

6 / 20

5358 x 51 = ?

7 / 20

(51+ 52 + 53 + ... + 100) = ?

8 / 20

If log 2 = 0.3010 and log 3 = 0.4771, the value of log5 512 is:

9 / 20

By investing Rs. 1620 in 8% stock, Michael earns Rs. 135. The stock is then quoted at:

10 / 20

Insert the missing number.
2, 6, 12, 20, 30, 42, 56, (....)

11 / 20

In JavaScript, what is a block of statement?

12 / 20

Among the following given JavaScript snipped codes, which is more efficient:

Code A
for(var number=10;number>=1;number--)
{
document.writeln(number);
}

Code B
var number=10;
while(number>=1)
{
document.writeln(number);
       number++;
}

13 / 20

Which of the following is the correct output for the following JavaScript code:

varx=5,y=1
var obj ={ x:10}
with(obj)
{
      alert(y)
}

14 / 20

What is the correct way to write a JavaScript array?

15 / 20

What will happen, if the following JavaScript code is executed?

var count =0;
while (count <10)
{
     console.log(count);
     count++;
}

16 / 20

Which of the following is the correct output for the following JavaScript code:

int x=8;
if(x>9)
{
document.write(9);
}
else
{
document.write(x);
}

17 / 20

Which of the following is the correct output for the following JavaScript code:

var grade='C';
var result;
switch(grade)
{
case'A':
{
        result+="10";
break;
}
case'B':
{
        result+=" 9";
break;
}
case'C':
{
        result+=" 8";
break;
}
default:
    result+=" 0";
}
document.write(result);

18 / 20

Which of the following is the correct output for the following JavaScript code:

var x=3;
var y=2;
var z=0;
If(x==y)
document.write(x);
elseif(x==y)
document.write(x);
else
document.write(z);

19 / 20

Which one of the following is the correct way for calling the JavaScript code?

20 / 20

Which of the following type of a variable is volatile?

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The average score is 43%

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