Question : What is the number of players in a Kho Kho team?

Option 1: 12

Option 2: 13

Option 3: 10

Option 4: 11

Question : A can finish a work in 7 days. B can finish the same work in 9 days. The number of days required to finish the same work by both of them together is:

Option 1: $1\frac{15}{16}$

Option 2: $2\frac{15}{16}$

Option 3: $3\frac{15}{16}$

Option 4: $4\frac{15}{16}$

Question : A trader allows a 40% discount on his goods, but he loses 30% on them. Find the percentage of the marked price above the cost price.

Option 1: $15\frac{2}{3}\%$

Option 2: $15 \frac{1}{3} \%$

Option 3: $16 \frac{2}{3} \%$

Option 4: $16 \frac{1}{3} \%$

Question : If the length of the side of an equilateral triangle is 8 cm, what is its area (in cm²)?

Option 1: $32\sqrt{3}$

Option 2: $16$

Option 3: $16\sqrt{3}$

Option 4: $32$

Question : If $x+\frac{1}{x}=2 K$, then what is the value of $x^4+\frac{1}{x^4}$?

Option 1: $16 {K}^4-16 {K}^2-1$

Option 2: $8 {K}^4+4 {K}^2-1$

Option 3: $16 {K}^4-16 {K}^2+2$

Option 4: $16 {K}^4-4 {K}^2-1$