Quantitative Aptitude - Arithmetic Ability Questions

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

If cos4θ-sin4θ=13 then the value of tan2θ is

In ΔPQR, PS and PT are bisectors of ∠QPR and ∠QPS respectively. If ∠QPT = 30°, PT = 9 cm and TR = 15 cm, then what is the area (in cm2) of ΔPTR

If in 2 years at simple interest the principal increases by 18%, what will be the compound interest (in Rs) earned on Rs 7000 in 3 years at the same rate?

At 6% simple interest per annum a sum of money became Rs. 834 in 6.5 years. The sum initially invested was

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

The arithmetic mean of the marks scored by students of a class is 58. 20% of them secured a mean score of 60. The mean score of another 30% of the students was 40. The mean score of the remaining students is