Pipe A fills a tank of 700 litres capacity at the rate of 40 litres a minute. Another pipe B fills the same tank at the rate of 30 litres a minute. A pipe at the bottom of the tank drains the tank at the rate of 20 litres a minute. If pipe A is kept open for a minute and then closed and pipe B is kept open for a minute and then closed and then pipe C is kept open for a minute and then closed and the cycle repeated, how long will it take for the empty tank to overflow 146380Pipe A fills a tank of 700 litres capacity at the rate of 40 litres a minute. Another pipe B fills the same tank at the rate of 30 litres a minute. A pipe at the bottom of the tank drains the tank at the rate of 20 litres a minute. If pipe A is kept open for a minute and then closed and pipe B is kept open for a minute and then closed and then pipe C is kept open for a minute and then closed and the cycle repeated, how long will it take for the empty tank to overflow? (1) 42 minutes (2) 14 minutes (3) 39 minutes (4) 40 minutes 33 seconds (5) None of these

1.  42 minutes

2.  14 minutes

3.  39 minutes

4.  40 minutes 33 seconds

5.  None of these

View Answer  
5
Correct Answer :

None of these


Explanation :
No Explanation available for this question

What approximate rate per annum of simple interest would yield the same amount as that got at compound interest rate of 20%. P.a. when the same principal is kept for three years in both the cases.

1.  72.8%

2.  64%

3.  32%

4.  21.33%

5.  24.23%

View Answer  
5
Correct Answer :

24.23\%


Explanation :
No Explanation available for this question

What will the approximate amount be after 3 years if I deposit Rs. 5000 in a bank which offers me a rate of interest of 5%, compounded annually

1.  Rs 5750

2.  Rs 5760

3.  Rs 5770

4.  Rs 570

5.  Rs 5790

View Answer  
5
Correct Answer :

Rs 5790


Explanation :
No Explanation available for this question

The population of a city grows at a rate of 5% per annum. If in 2006 its population is 18,52,200, what was its population in 2004

1.  12, 60,000

2.  13, 60,000

3.  15, 60,000

4.  16, 00,000

5.  16, 80,000

View Answer  
5
Correct Answer :

16, 80,000


Explanation :
No Explanation available for this question

The property prices appreciate at a rate of 7% per annum. I bought a house in the year 2003 which had cost me Rs. 10, 00,000 at that time. What will be its approximate cost three years later

1.  12, 60,000

2.  12, 23,000

3.  12, 25,000

4.  12, 27,000

5.  12, 29,000

View Answer  
5
Correct Answer :

12, 25,000


Explanation :
No Explanation available for this question

I bought an Astra two yeas back. Its value depreciated by 9% every year. If at present its value is Rs. 9, 10,910, at what cost had I bought it

1.  10, 91,910

2.  10, 9,190

3.  10, 00,000

4.  11, 00,000

5.  12, 00,000

View Answer  
5
Correct Answer :

11, 00,000


Explanation :
No Explanation available for this question

On investing Rs. 5000 in a bank, you will get back Rs. 5671 in 2 years. What is the approximate compound rate of interest

1.  5%

2.  5.5%

3.   6%

4.   6.5%

5.  7%

View Answer  
5
Correct Answer :

6.5\%


Explanation :
No Explanation available for this question

A bank offers a rate of interest of 16% per annum, compounded semiannually. What will be the approximate interest generated on an amount of Rs. 10,000 kept for 2 years

1.  Rs 3600

2.  Rs 3605

3.  Rs 3610

4.  Rs 3615

5.  Rs 3620

View Answer  
5
Correct Answer :

Rs 3605


Explanation :
No Explanation available for this question

Which of the following two schemes is more beneficial to a depositor with a two year investment horizon (i) Rate of interest 6% compounded annually.  (ii) Rate of interest 5% compounded semi-annually

1.   (i)

2.  (ii)

3.  Both are same

4.  Depends on principal amount

View Answer  
4
Correct Answer :

(i)


Explanation :
No Explanation available for this question

I deposited an amount of Rs. 20,000 at a 10% p.a. rate of interest compounded quarterly.What is the approximate amount due to me at the end of one year

1.  Rs 22,000

2.  Rs 22, 025

3.  (3) 22,050

4.   Rs 22, 075

5.  Rs 22, 100

View Answer  
5
Correct Answer :

Rs 22, 075


Explanation :
No Explanation available for this question
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