Quantitative Aptitude - Arithmetic Ability Questions

Average age of a team having 12 players is 23 years. If the age of the coach is also included, then the average age increases by 2 years. What is the age (inyears) of the coach?

The average marks obtained in a class of 50 students is 70%. The average of first 25 is 60% and that of 24 is 80%. What is the marks obtained by the last student?

Marked price of an item is Rs 200. On purchase of 1 item discount is 5%, on purchase of 2 items discount is 14%. Rajeshri buys 3 items, what is the effective discount? 

If a2b+c=b2C+a=a2a+b=1 then 11+a+11+b+11+c is

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?

If a3 + b3 = 28 and a + b = 4, then what is the value of ab?

What is the simplified value of sin2(90–θ)–[sin(90–θ)sinθ/tanθ]?

In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold