26. Find the average of 7, 14, 21, 28
(A) 35
(B) 17.5
(C) 18.5
(D) 56
Answer:
Explanation:
27. If the radius of a cylinder is 14 cm and its height is 8 cm, then find its curved surface area.
(A) 1100 cm2
(B) 940 cm2
(C) 704 cm2
(D) 4210 cm2
Answer:
Explanation:
28. A train running at a speed of 108 km/h crosses a pole in 32 seconds. The length of the train is?
(A) 960
(B) 1024
(C) 1200
(D) 1390
Answer:
Explanation:
29. Select the best alternative. Darwin : Evolution :: Archimedes : ?
(A) Friction
(B) Lubrication
(C) Buoyancy
(D) Liquids
Answer:
Explanation:
30. Virology : Virus :: Semantics : ?
(A) Amoeba
(B) Language
(C) Nature
(D) Society
Answer:
Explanation: