If $7x - \frac{\left[3(2x - 3)\right]}{2} = \frac{1}{2}$, then what is the value of x?
1). -1
2). 1
3). 3
4). -3
What is the difference (in Rs) between the compound interests on Rs. 4000 for 1 year at 12% per annum compounded yearly and half-yearly?
1). 14.4
2). 12.4
3). 10.4
4). 16.4
To travel 432 km, an Express train takes 1 hour more than Duronto. If however, the speed of the Express train is increased by 50%, it takes 2 hours less than Duronto. What is the speed (in km/hr) of Duronto train?
1). 60
2). 54
3). 48
4). 72
Pranita got 30 marks more in Math than what she got in Science. Her Math marks are 60% of the sum of her Math and Science marks. What are her Science marks?
1). 90
2). 150
3). 120
4). 60
If a saree is sold for Rs 1900 the seller will face 5% loss, at what price (in Rs) should he sell the saree to gain 15% profit?
1). 2200
2). 2400
3). 2500
4). 2300