# 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.  16 of 2/3

4.  15%

4

16 of 2/3

Explanation :
No Explanation available for this question

# 126, 756, 252, 1512, ____

1.  504

2.   500

3.  1210

4.  None of these

4

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

4

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)

4

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 of 3/7

2.  2 of 5/2

3.  4 of 5/6

4.  None of these

4

3 of 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

4

1.5 hours

Explanation :
No Explanation available for this question

# 128, 32, 224, 56, ____

1.  392

2.  350

3.  25

4.  36

4

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

4

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

4

30: 40

Explanation :
No Explanation available for this question

1.  90

2.  100

3.  200

4.  400

4