If $a^{3}+ b^{3}$ = 19 and ab = -6 , then what is the value of a + b?
1). 5
2). 7
3). 1
4). -5
If $\frac{\left[7\left(\frac{5x}{3} - \frac{3}{2}\right)\right]}{2}+\frac{3}{2}$= $\frac{1}{4}$, then what is the value of x?
1). $\frac{35}{24}$
2). $\frac{24}{35}$
3). $-\frac{24}{35}$
4). $-\frac{35}{24}$
The simple and compound interest that can be earned in two years at the same rate is Rs 1500 and Rs 1575 respectively. What is the rate (% per annum) of interest?
1). 8
2). 10
3). 12
4). 5
Excluding stoppages, the speed of a bus is 72 kmph and including stoppages, it is 60 kmph. For how many minutes does the bus stop per hour?
1). 12
2). 8
3). 15
4). 10
If 40% of x = y, then y% of 40 is same as _____ of x.
1). 16%
2). 4%
3). 8%
4). 160%