Quantitative Aptitude - Arithmetic Ability Questions

The marked price of a trouser is twice of the cost price. To earn 36% profit, what should be the value of discount (in percentage)?

A,B and C contract a work for Rs. 440. Together A and B are to do 9/11 of the work. The share of C should be:

Δ DEF is right angled at E. If m∠D = 30°, what is the length of DE (in cm), if EF = 6√3 cm?

In the given figure, PQ is a diameter of the semicircle PABQ and O is its center. AOB = 64 deg. BP cuts AQ at X. What is the value (in deg) of AXP?

90% of X = 40% of Y and Y = a% of X. What is the value of a?

Krishna cycled a distance of 90 km at a certain speed. If he cycled 3 km slower every hour, he would have taken 5 more hours to reach his destination. What is the speed in kmph at which Krishna actually cycled?

A,B and C together start a business. Three times the investment of A equals four times the Investment of B and the Capital of B is twice that of C. The ratio of share of each in the profit.

If P : Q : R = 2 : 3 : 5, then what is the value of (P + Q) : (Q + R) : (R + P)?