Simplify 437bxaz / 23ab
1). 17xzb
2). 9xz
3). 19xz
4). 19ab
On dividing 221$a^{2}b^{2}$ by 13$b^{2}$, we get
1). 17$a^{2}$
2). 27x
3). 28z
4). 16b
Identify the correct combination of mathematical signs to replace '*' sign in the given equation and balance the equation.
14*6*3*5*4*20
1). $\div$ , + , - , - , =
2). + , $\div$ , - , - , =
3). - , $\div$ , + , = , -
4). = , - , $\div$ , + , -
Mummy can bake 75 cakes in 15 hours, Mummy and Sister together can bake 120 cakes in 20 hours. How many cakes Sister can bake in 30 hours?
1). 79
2). 30
3). 12
4). 56
Coefficient of x2 in 4x3- 2x2 + 2x 3 are
1). 6
2). -2
3). 4
4). 6