Question : There are deer and peacocks in a zoo. By counting heads they are 80. The number of their legs is 200. How many peacocks are there?

Option 1: 50

Option 2: 30

Option 3: 60

Option 4: 20

Question : Two numbers are 50% and 80% less than the third number. By what percentage should the second number be enhanced to make it equal to the first number?

Option 1: 150%

Option 2: 60%

Option 3: 30%

Option 4: 37.5%

Question : Solve the following expression.
$50-[20+(30-(25-5))]$

Option 1: 10

Option 2: 30

Option 3: 20

Option 4: 40

Question : What will be the value of $\frac{\sin 30^{\circ} \sin 40^{\circ} \sin 50^{\circ} \sin 60^{\circ}}{\cos 30^{\circ} \cos 40^{\circ} \cos 50^{\circ} \cos 60^{\circ}}$?

Option 1: $\frac{1}{\sqrt{2}}$

Option 2: $\sqrt{3}$

Option 3: $1$

Option 4: $\frac{1}{\sqrt{3}}$

Question : What is the third proportional number to 10 and 20?

Option 1: 30

Option 2: 25

Option 3: 50

Option 4: 40

Question : If $a-b=1$ and $a^{3}-b^{3}=61$, then the value of $ab$ will be:

Option 1: –20

Option 2: 20

Option 3: 30

Option 4: 60