Quantitative Aptitude - Arithmetic Ability Questions

If Sinθ = √3/2 and 0°<θ<90°, then the value of tan(θ-15°) is

In what ratio rice costing Rs 14/kg mixed with another rice costing Rs 11/kg to get the mixture costing Rs 11.6/kg?

Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.

The ratio of cost price and selling price 25:26. The percent of profit will be

A shopkeeper purchased a chair whose marked price is Rs 1400, at two successive discount of 20% and 30% respectively. If he sells the chair for Rs 1176, then what is the profit percentage?

Which of the below given fractions is NOT equal to 9/17?

Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill? 

sin(A+B) -­ sin(A-­B) is equal to