On January 1, 2004 two new societies, SI and S2, are formed, each with n members. On the first day of each subsequent month, S1 adds b members while S2 multiplies its current number of members by a constant factor r. Both the societies have the same number of members on July 2, 2004. If b =10.5n, what is the value of r

1.  2.0

2.  9

3.  1.8

4.  1.7

View Answer  
4
Correct Answer :

2.0


Explanation :
No Explanation available for this question

Karan and Arjun run a 100-metre race, where Karan beats Arjun by 10 metres. To do a favour to Arjun, Karan starts 10 metres behind the starting line in a second 100-metre race. They both run at their earlier speeds. Which of the following is true in connection with the second race

1.  Karan and Arjun reach the finishing line simultaneously.

2.  Arjun beats Karan by 1 metre.

3.  Arjun beats Karan by 11metres.

4.  Karan beats Arjun by 1 metre

View Answer  
4
Correct Answer :

Karan beats Arjun by 1 metre


Explanation :
No Explanation available for this question

If the sum of the first 11 terms of an arithmetic progression equals that of the first l9 terms, then what is the sum of the first 30 terms

1.  0

2.  -1

3.  1

4.  Not Unique

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

1.  1/2

2.  –1

3.  1/2 or –1

4.  -1/2 or –1

View Answer  
4
Correct Answer :

1/2 or –1


Explanation :
No Explanation available for this question

1.  1/2

2.  –1

3.  1/2 or –1

4.  -1/2 or –1

View Answer  
4
Correct Answer :

1/2 or –1


Explanation :
No Explanation available for this question

If a number 774958A96B is to be divisible by 8 and 9, the values of A and B, respectively, will be:

1.   7,8

2.   8,0

3.  5,8

4.  None of these

View Answer  
4
Correct Answer :

8,0


Explanation :
No Explanation available for this question

A milkman mixes 20 litres of water with 80 litres of milk. After selling onefourth of this mixture, he adds water to replenish the quantity that he has sold. What is the current proportion of water to milk

1.  2:3

2.  1:2

3.  1:3

4.  3:4

View Answer  
4
Correct Answer :

2:3


Explanation :
No Explanation available for this question

N persons stand on the circumference of a circle at distinct points. Each possible pair of persons, not standing next to each other, sings a two-minute song one pair after the other. If the total time taken for singing is 28 minutes, what is N

1.  5

2.  7

3.  9

4.  None of the above

View Answer  
4
Correct Answer :

7


Explanation :
No Explanation available for this question

What is the value of y

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

A new flag is to be designed with six vertical stripes using some or all of the colours yellow, green, blue and red. Then, the number of ways this can be done such that no two adjacent stripes have the same colour is

1.  12x81

2.  16 x 192

3.  20x 125

4.  24x216

View Answer  
4
Correct Answer :

12x81


Explanation :
No Explanation available for this question
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