Quantitative Aptitude - Arithmetic Ability Questions

What is the value of tan3A?

The costs of daily ticket of local train is Rs. 50 and Monthly Pass costs is Rs. 1125. If I buy the Monthly Pass and travel for 30 days in a month then I save?

While selling a watch, a shop-­keeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the watch is

If x - y = -9 and xy = -20, then find x2 + y2 ?

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

Product of 6ab, 3b and 4a is