From a barrel containing 500ml of alcohol, 3 cups of alcohol are poured into a barrel containing 500ml of water. After mixing the contents well, 3 cups of the mixture are poured into the barrel of alcohol. The % of water in the barrel of alcohol and the % of alcohol in the barrel of water are then compared. Which one of the following is true 

1.  The former is greater than the letter.

2.  The 2 are equal.

3.  The letter is greater than the former.

4.  Cannot be determined

View Answer  
4
Correct Answer :

The 2 are equal.


Explanation :
No Explanation available for this question

Three circles with centers P, Q and R, each with radius 20 cms, interest one another as shown in the figure. The length of AB=12 cms, CD=10 cms and EF=5cms. What is the perimeter of the triangle PQR

1.  60 cms

2.  81 cms

3.  87 cms

4.  93 cms

View Answer  
4
Correct Answer :

93 cms


Explanation :
No Explanation available for this question

Three pencils , four erasers and two sharpeners together cost Rs. 10.50. Two pencils one eraser and three sharpeners together cost Rs. 9.50. How much does each eraser cost

1.   Rs. 0.50

2.  Rs. 0.75

3.   Rs. 1

4.  Can’t be determined

View Answer  
4
Correct Answer :

Can’t be determined


Explanation :
No Explanation available for this question

A colony of bacteria in a container grows by each bacterium splitting into 8 next generation bacteria. However, because of environmental conditions only 50 % of the bacteria in a generation can split as above. A colony of first generation was put in container and it was found that the number of 7th generation bacteria was 4096 million. What was found the size of the 1st generation population initially put in the container

1.  2 million

2.  8 million

3.  1 million

4.  8 million

View Answer  
4
Correct Answer :

1 million


Explanation :
No Explanation available for this question

What is the area grazed by the cow if it is tethered at B with an 6 m long rope

1.  6π sq.m

2.  12 π sq.m

3.  30 π sq.m

4.  None of these

View Answer  
4
Correct Answer :

30 π sq.m


Explanation :
No Explanation available for this question

Based on the above, we can say that the number of coins collected by the boy who collected the most could not have exceeded

1.  64

2.  54

3.  60

4.  58

View Answer  
4
Correct Answer :

64


Explanation :
No Explanation available for this question

If Ramesh collected 54 coins,we can say (on the basis of information obtained so far) that the difference in numbers collected by the boy who collected the most and the boy who collected the second most should he at least.

1.  30

2.  18

3.  26

4.  12

View Answer  
4
Correct Answer :

30


Explanation :
No Explanation available for this question

what is the area grazed by the cow if it is tethered by a meter long rope at A

1.  117 π sq.m

2.  204 π sq.m

3.  276 π sq.m

4.  None of these

View Answer  
4
Correct Answer :

117 π sq.m


Explanation :
No Explanation available for this question

Ramesh collected 54 coins. If Kareem collected two more than double the number collected by Mohan, the number collected by Kareem was

1.  10

2.   30

3.   22

4.  26

View Answer  
4
Correct Answer :

22


Explanation :
No Explanation available for this question

4 identical circular coins are placed inside the square ABCD as in the following diagram. If for each coin then the area not occupied by the coins in ABCD is

1.  8(4- π)

2.  16(8- π)

3.  16(4- π)

4.  None of these

View Answer  
4
Correct Answer :

16(4- π)


Explanation :
No Explanation available for this question
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