In Δ ABC , if ∠BAC = 90° and AB = AC , then ∠ABC is
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If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is
If xy+yz+zx = 1, then the value of (1+y2)(x+y)(y+z) ?
If x = at2 and y = 2at then
A train 110 metres long is running with a speed of 60 kmph . In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?
After selling 5% of a quantity of sugar, 5 Kgs of sugar remains . Find the total quantity of sugar?
Two numbers whose sum is 84 can not be in the ratio
The marked price is 10% higher than the cost price . A discount of 10% is given to the marked price . In this kind of sale the seller