Quantitative Aptitude - Arithmetic Ability Questions

If 35% of A is equal to 60% of B, then what is the ratio of A and B?

Three numbers are in the ratio of 3:5:10 and their LCM is 630. Find their HCF.

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

If 5(4­-x) - ­4 < 3x - ­2 > 4x - 6; then the value of x is

The amount received at 10% per annum Compound interest after 3 yrs is Rs 5324. What was the principal (in Rs)?

If πsinθ= 1, πcosθ= 1, then (3tan 23θ+1) is

If a + b + c = 11 and ab + bc + ca = 17, then what is the value of a3 + b3 + c3 – 3abc?

Point A (4 , 2) divides segment BC in the ratio 2:5. Co-ordinates of B are (2 , 6) and C are (7 , y). What is the value of y?