# In a certain examination, the number of passes and failures are in the ratio 3 : 2. If 12 more students had passed, then the ratio of passes to failures would have been 21 : 10. The number of students who have passed the examination is

1.  30

2.  35

3.  40

4.  50

4

30

Explanation :
No Explanation available for this question

# The ratio of the principal and its yearly amount is 8 : 9. What is the rate of simple interest per annum

1.  12%

2.

3.  10%

4.

4

Explanation :
No Explanation available for this question

# At what rate per cent per annum of compound interest, compounded annually, will a sum money become 16 times of its in 4 years

1.  400%

2.  200%

3.  125%

4.  100%

4

100\%

Explanation :
No Explanation available for this question

# The difference between compound and simple interests Rs. 5,000 for two years at the same rate is Rs. 72. The rate interest per annum is

1.  15%

2.  12%

3.  10%

4.  8%

4

12\%

Explanation :
No Explanation available for this question

# The value of a property depreates every year by 10%. The present value of the property Rs. 81 lakhs. Two years ago, value was

1.  Rs. 90 lakhs

2.  Rs. 96 lakhs

3.  Rs. 100 lakhs

4.  Rs. 108 lakhs

4

Rs. 100 lakhs

Explanation :
No Explanation available for this question

# Rs. 3,903 is to be divided between A and B so that A’s shall at the end of 7 years may equal to B’s share at the end 9 years, at 4% per annum co pound interest. The present share of B is

1.  Rs. 2,218

2.  Rs. 2,028

3.  Rs. 1,875

4.  Rs. 1,685

4

Rs. 1,875

Explanation :
No Explanation available for this question

# A sum amounts to Rs. 2,916 2 years and to Rs. 3,149.28 3 years at same rate of compound interest. The sum is

1.  Rs. 2500

2.  Rs. 2400

3.  Rs. 2250

4.  Rs. 2000

4

Rs. 2500

Explanation :
No Explanation available for this question

# Last year, the population of town was x and if it increases the same rate, next year it x be y. The present population the town is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# Two successive discounts 10% and 20% are equivalent a single discount of

1.  30%

2.  28%

3.  26%

4.  25%

4

28\%

Explanation :
No Explanation available for this question

# A dealer allows his customer a discount of 25% and still gains 25%. If the cost price of a radio is Rs. 1,440, its marked price is

1.  Rs. 2500

2.  Rs. 2440

3.  Rs. 2400

4.  Rs. 2020

4

Rs. 2400

Explanation :
No Explanation available for this question

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