Mehdi can complete a work in 25 hours. If he is joined by Jahnavi who is 50% more efficient, in what time will they together finish the work?
1). 12 hours
2). 10 hours
3). 3 hours
4). 9 hours
What is the value of cosec $\frac{-7π}{6}$?
1). -2
2). 2
3). $\frac{2}{√3}$
4). $\frac{-2}{√3}$
Which is the largest continent in the world?
1). Africa
2). North America
3). South America
4). Asia
Select the related word/letters/number from the given alternatives.
34 : 81 : : 23 : ?
1). 8
2). 16
3). 4
4). 12
At what point does the line 3x + 2y = -12 intercept the Y-axis?
1). (0,6)
2). (0,-6)
3). (-4,0)
4). (4,0)