Let A denote the set of positi8ve integers each of which when divided by 2,3,4,5,6 leaves a remainder of 1,2,3,4,5 respectively. How many numbers in A are between 0 and 100

1.  0

2.  1

3.  2

4.  None of these

View Answer  
4
Correct Answer :

1


Explanation :
No Explanation available for this question

There are 60,84 and 108 students respectively writing exams in three different exams. If student writing different exams cannot sit in the same room and each room has to seat the same number of students, what is the least number of rooms to seat everyday

1.  6

2.  12

3.  18

4.  21

View Answer  
4
Correct Answer :

21


Explanation :
No Explanation available for this question

Three wheels make 60,36 and 24 revolutions per minute respectively. There is a red spot on the rim of all three wheels. If this red spot was at the bottom most point when they started after how much time would they be at the bottom most point again

1.  5 sec

2.  12 min.

3.  5 min.

4.  12 sec.

View Answer  
4
Correct Answer :

5 sec


Explanation :
No Explanation available for this question

A company has to punch can lids. it has three machines each of which can individually complete the work in 6 days,3 days and 4 days respectively. If all three machines are used, then in how many  days can the task be completed

1.  2 days

2.  1 1/3 days

3.  1 day

4.  2 ½ days

View Answer  
4
Correct Answer :

1 1/3 days


Explanation :
No Explanation available for this question

A certain number when divided by 899 gives a remainder 63. What is the remainder when the same number is divided by 29

1.  25

2.  5

3.  27

4.  Cannot be determined.

View Answer  
4
Correct Answer :

5


Explanation :
No Explanation available for this question

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

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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
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