4426: A rectangular piece of iron sheet measuring 50 cm by 100 cm is rolled into a cylinder of height 50 cm. If the cost of painting the cylinder is Rs. 50 per square metre, then what will be the cost of painting the outer surface of the cylinder ?
(a) Rs. 25.00
(b) Rs. 37.50
(c) Rs. 75.00
(d) Rs. 87.50
4427: In the given figure, the triangle represents girls, the square represents sports persons and the circle represents coaches. The portion in the figure which represents girls who are sports persons but not coaches is the one labelled
(a) A
(b) B
(c) D
(d) E
4428: Assertion (A):
The boiling point of water decreases as the altitude increases.
Reason (R):
The atmospheric pressure increases with altitude.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
4429: Fresco paintings in the Ajanta Caves were done, while which of the following dynasties was flourishing?
(a) Guptas
(b) Sungas
(c) Kanvas
(d) Mauryas
4430: The largest reserve of Sal forests is found in:
(a) Nilgiri hills
(b) Dehradun valley
(c) The Aravallis
(d) Eastern Peninsula