If a sum of money at certain rate of interest doubles in 5 years and at a different rate of interest becomes 3 times in 12 years, the better rate of interest is

1.  20%

2.  10%

3.  162/3

4.  15%

View Answer  
4
Correct Answer :

10\%


Explanation :
No Explanation available for this question

126, 756,252,1512, ____

1.  504   

2.  500

3.  1210

4.  None of these

View Answer  
4
Correct Answer :

504   


Explanation :
No Explanation available for this question

The cost of painting the walls of a hall 30 meters long, 20 meters broad and 12 meters high, if it costs 25 paise per sq. metre

1.  Rs.300

2.  Rs.325

3.  Rs.350

4.  Rs.400

View Answer  
4
Correct Answer :

Rs.300


Explanation :
No Explanation available for this question

The product of 3sqrt(4), 6sqrt(6) and 2sqrt(5) is

1.  6sqrt(12000

2.   6sqrt(1000)

3.   4sqrt(12000)

4.  3sqrt(120000)

View Answer  
4
Correct Answer :

6sqrt(12000


Explanation :
No Explanation available for this question

If A can complete a work in 6 hours, and B can complete it in 8 hours, then how much time would they take to complete the work together

1.  3 3/7

2.  2 5/2

3.  4 5/6

4.  none of these

View Answer  
4
Correct Answer :

3 3/7


Explanation :
No Explanation available for this question

A,B,and C can independently complete a task in 6,8 and 12 hours respectively. C starts working. 2 hours later she stops and simultaneously A and B starts working. Yet another 2 hours later, B stops working too. Now how long does A have to work alone to complete the task

1.  2 hours

2.  1.5 hours

3.  3 hours

4.  4 hours

View Answer  
4
Correct Answer :

1.5 hours


Explanation :
No Explanation available for this question

128, 32, 224, 56, ____

1.  392

2.  350

3.  25

4.  36

View Answer  
4
Correct Answer :

392


Explanation :
No Explanation available for this question

Taps A and B can independently fill a tank in 6 and 10 hours . Leak C can empty a filled tank in 8 hours. On an empty tank A, B, C are opened. How long does it take to fill the tank

1.  7.05

2.  8.05

3.  10.10

4.  5.07

View Answer  
4
Correct Answer :

7.05


Explanation :
No Explanation available for this question

Ten years age, Ram was 2/3 Shyam's age. 10 years hence Shyam will be 25% older than Ram. What are their present ages

1.  30;40

2.  40;30

3.  20;40

4.  30;60

View Answer  
4
Correct Answer :

40;30


Explanation :
No Explanation available for this question

25 years ago A's age was 1/3 of what B's age will be 25 years hence 50 years hence, B's age will be twice A's present age. What is the sum of their present ages

1.  90

2.  100

3.  200

4.  400

View Answer  
4
Correct Answer :

100


Explanation :
No Explanation available for this question
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