Quantitative Aptitude - Arithmetic Ability Questions

54% of 4000 is

Find the HCF & LCM of 16, 24.

What is the value of {sin (90 – x) cos [π – (x – y)]} + {cos (90 – x) sin [π – (y – x)]}?

Simplify (533bxaz)/(41ab)

If cot ­-4π/3 = x, then the value of x is

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?

In what ratio is the segment joining (12,­1) and (-­3,4) divided by the Y­-axis?

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)