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Questions (4)
If 10^2y = 25, then 10^-y equals:
(a) -1/5, (b) 1/625, (c) 1/50, (d) 1/25, (e) 1/5?
1 answer
420 views
A lantern gives an image of 3m square of a side 7.62cm² on a screen. If the screen is 10m from the projection lens of the
1 answer
416 views
The velocity ratio of a machine is 5 and it efficiency is 75%.what effort would be needed to lift a load of 25N with the
4 answers
1,779 views
if NEPA charge 6k kWh what is the cost of operating for 24hrs of a lamb?
3 answers
589 views
Answers (1)
It was not given.
