61. A…………. is used to draw water from the well
(A) Wedge
(B) Plane
(C) Pulley
(D) Screw
Answer:
Explanation:
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62. There are …………. types of simple machines.
(A) Three
(B) Six
(C) Seven
(D) Ten
Answer:
Explanation:
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63. Change of water into water vapour is a
(A) Physical change
(B) Chemical Change
(C) Compound Change
(D) All the above
Answer:
Explanation:
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64. The matter exixts in……………. states.
(A) One
(B) Two
(C) Three
(D) Four
Answer:
Explanation:
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65. The Taj Mahal is made up of
(A) Sandstone
(B) Limestone
(C) Marble
(D) Shale
Answer:
Explanation: