Who was the first person to step on moon?
a) Edgar Mitchel
b) Neil Armstrong
c) Alan Bean
d) Christopher Columbus (more…)
Which of the following is a device which does not allow current to pass through a certain limit?
a) Wire
b) Switch
c) Fuse
d) Plug (more…)
In a right triangle, which side is always the longest?
a) Hypotenuse
b) Adjacent side
c) Opposite side
d) None of these (more…)
Who invented the Television?
a) Jhon Logie
b) Maria Arovet
c) Mathew Arnold
d) Harry So Truman (more…)
Ozone depletion in the upper atmosphere caused by the release of _____ gases.
a) Helium and Hydrogen
b) Neon and Argon
c) Nitrogen and Oxygen
d) Chlorine and Bromine (more…)
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