4021: NASA'S Deep Impact space mission was employed to take detailed pictures of which comet nucleus ?
(A) Hale Bopp
(B) Halley's Comet
(C) Hyakutake
(D) Tempel 1
4022: Consider the following statemtns:
1. Total land area of Earth is approximately 1475 lakh square kilometers.
2. Ratio of land area to water area of Earth is approximately 1 : 4.
3. Maximum percentage of Earth's water is in the Pacific Ocean.
Which of the following statements given above is/are correct?
(a) 1 only
(b) 3 only
(c) 2 and 3
(d) 1 and 3
4023: The range of Agni-II missile is around
(a) 500 km
(b) 2000 km
(c) 3500 km
(d) 5000 km
4024: A rectangular plot of lawn shown in the figure has dimensions x and y and is surrounded by a gravel pathway of width 2 m. What is the total area of the pathway ?
(a) 2x + 2y + 4
(b) 2x + 2y + 8
(c) 4x+ 4y + 8
(d) 4x + 4y + 16
4025: Which one of the following statements is correct?
(a) Neither the Finance Commission nor the Planning Commission is a constitutional body
(b) The scope of the Finance Commission is limited to a review of the revenue segment of the budget while the Planning Commission takes an overall review embracing both capital and revenue requirements of the States
(c) No one can be a member of both the Finance Commission and the Planning Commission at the same time
(d) There is no overlapping of work and responsibility of the Finance Commission and those of the Planning Commission