As observed from the top of a 75 m high…
As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side...
Two ships are sailing in the sea on the two sides..
Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30º and 45º respectively. If the lighthouse...
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A sum of money placed at compound interest…
A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8...
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