Practice NAT questions with answers and explanations.
Choose an option to check your answer.
Area is one-half × sum of parallel sides × height.
Thus, 1/2 × 22 × 5 = 55 cm².
Choose an option to check your answer.
Circumference is 2πr.
Thus, 2 × 22/7 × 7 = 44 cm.
Choose an option to check your answer.
Circle area is πr².
Thus, 22/7 × 49 = 154 cm².
Choose an option to check your answer.
A 90° arc is one quarter of the circumference.
The circumference is 88 cm, so the arc is 22 cm.
Choose an option to check your answer.
Sector area is angle/360 × πr².
Thus, 60/360 × 36π = 6π cm².
Choose an option to check your answer.
Cube volume is side cubed.
Thus, 4³ = 64 cm³.
Choose an option to check your answer.
A cube has six square faces, each of area 25 cm².
Thus, total area is 6 × 25 = 150 cm².
Choose an option to check your answer.
Cuboid volume is length × width × height.
Thus, 8 × 5 × 3 = 120 cm³.
Choose an option to check your answer.
Cylinder volume is πr²h.
Thus, π × 9 × 10 = 90π cm³.
Choose an option to check your answer.
Curved surface area is 2πrh.
Thus, 2π × 4 × 7 = 56π cm².
Choose an option to check your answer.
A single bond has order one, double bond two, and triple bond three.
Higher bond order generally means shorter, stronger bonds.
Choose an option to check your answer.
Rectangle perimeter is 2(length + width).
Thus, 2(8 + 5) = 26 cm.
