A train is moving at the speed of 36 km/hr. How many seconds it will take to cover a distance of 600 meters?
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The ages of A and B differ by 16 years. If 6 years ago, the elder one was 3 times as old as the younger one, find the present age of the younger between A and B?
The value of √0.0144 is
Factorise x2 + 3x - 18
What should be added to 3(x - 2y) to obtain 2(3x + y) - 5(2x + 3)?
In the following question, select the odd letter from the given alternatives.
If cos 60° - sec 30° = x, then the value of x is
What is the HCF (highest common factor) of 77 and 275?