Q1 · medium · AI-verified
A cylindrical tank has radius 7 m and height 10 m. Find its curved surface area. (Use π = 22/7)
- 440 sq m
- 420 sq m
- 460 sq m
- 480 sq m
Q2 · medium · AI-verified
The base of a right-angled triangle is 15 cm and its height is 8 cm. Find the length of the hypotenuse.
- 17 cm
- 18 cm
- 19 cm
- 20 cm
Q3 · medium · AI-verified
The circumference of a circle is 44 cm. Find its area. (Use π = 22/7)
- 154 sq cm
- 144 sq cm
- 164 sq cm
- 174 sq cm
Q4 · medium · PYQ 2024
If the diameter of a hemisphere is 21 cm, then the curved surface area (in cm²) of the hemisphere is: (Take π = 22/7)
- 939
- 693
- 963
- 639
Q5 · medium · AI-verified
A semicircle has diameter 28 cm. Find its perimeter. (Use π = 22/7)
- 72 cm
- 70 cm
- 74 cm
- 76 cm