Quantitative Aptitude - Arithmetic Ability Questions

Shaan got a total of Rs. 912 in the denomination of equal numbers of Rs. 1, Rs. 5 and Rs. 10 coins. How many coins do Shaan posses?

Let O be the orthocentre of the triangle ABC. If ∠BOC = 150°, Then ∠BAC is

A number is greater than thrice its reciprocal by 26/3. What is the number?

A cylindrical vessel of radius 6 cm is partially filled with water. By how much will the water level rise if a sphere of radius 5 cm is completely immersed in this water? (Take π = 22/7)

If the sum of ten different positive integers is 100, then what is the greatest possible number among these 10 numbers?

If A = 11x2+11x4+12x3+14x7+13x4+17x10... upto 20 terms, then what is the value of A?

A line cuts two concentric circles. The lengths of chords formed by that line on the two circles are 4 cm and 16 cm. What is the difference (in cm2) in squares of radii of two circles?

The compound interest on Rs. 24000 at 10% per annum for 11⁄2 years, interest being compounded semi­annually is