Question : The value of (16 + 14) ÷ 2 – 12 + 16 × 4 – 28 + 13 (–16 + 13) is:

Option 1: 6

Option 2: 0

Option 3: –3

Option 4: 3

Question : The length of the diagonal of a rectangle with sides 4 m and 3 m would be:

Option 1: 12 m

Option 2: 7 m

Option 3: 5 m

Option 4: 14 m

Question : The average of the first three numbers is double the fourth number. If the average of all the four numbers is 12. Find the 4th number.

Option 1: $16$

Option 2: $\frac{48}{7}$

Option 3: $20$

Option 4: $\frac{18}{7}$

Question : The outer and inner diameters of a circular path are 728 m and 700 m respectively. The breadth of the path is:

Option 1: 7 m

Option 2: 28 m

Option 3: 14 m

Option 4: 20 m

Question : A pyramid has an equilateral triangle as its base, of which each side is 8 cm. Its slant edge is 24 cm. The whole surface area of the pyramid (in cm²) is:

Option 1: $(16 \sqrt{3}+24 \sqrt{35})$

Option 2: $(12 \sqrt{3}+24 \sqrt{35})$

Option 3: $(24\sqrt{3}+36\sqrt{35})$

Option 4: $(16\sqrt{3}+48\sqrt{35})$