Quantitative Aptitude - Arithmetic Ability Questions

Two pipes of length 1.5 m and 1.2 m are to be cut into equal pieces without leaving any extra length of pipes. The greatest length of the pipe pieces of same size which can be cut from these two lengths will be

If x + y = 3, then what is the value of x3 + y3 + 9xy?

What is the value of 4600+540+1280+250+36 ?

On walking 100 metres towards a building in a horizontal line, the angle of elevation of its top changes from 45 to 60 deg. What will be the height (in metres) of the building?

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

If k is the largest possible real number such that p4+q4=(p2+kpq+q2)(p2-kpq+q2),then the value of k is

The average weight of P, Q and R is 47 kg. If the average weight of P and Q be 32.5 kg and that of Q and R be 48.5 kg, then what is the weight of Q (in kgs)?

If the selling price of an item is Rs 9750 after getting a discount of 25%, then what was its marked price (in Rs)?