The difference between compound interest and simple interest on a sum for 2 year at 20% per annum is Rs 200. If the interest is compounded half yearly, then what is the difference (in Rs) between compound and simple interest for 1st year?
1). 50
2). 75
3). 100
4). 150
A starts from a point at a speed of 30 metre/second. After 3 seconds, B starts chasing A from the same point with a speed of 50 metre/second. What will be the total distance (in metres) travelled by A and B before A is caught by B?
1). 360
2). 450
3). 600
4). 720
Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?
1). 30
2). 33
3). 34.5
4). 35
Due to increase of 33.33% in the price of apples, a customer can purchase 4 apples less for Rs 16. What is the original price (in paise) of an apple?
1). 100
2). 125
3). 150
4). $\frac{400}{3}$
a, b and c are 3 values, such that a + b = 5, b + c = 7.5 and c + a = 8.5. What will be the average of these values?
1). 1.5
2). 3
3). 3.5
4). 4.5