Quantitative Aptitude - Arithmetic Ability Questions

K can finish the work in 18 days and L can do the same work in 15 days. L worked for 10 days and left the job. In how many days, K alone can finish the remaining work ?

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5 ?

The income of X, Y and Z are in the ratio of 3 : 4 : 2 and their expenses in the ratio of 5 : 5 : 2. If X saves Rs 3000 out of an income of Rs 18000, then whatwill be the saving (in RS) of Y

If 6A = 4B = 9C; What is A : B : C?

A man wills 25% of his wealth to charity and rest to his family. What percent of the wealth willed to charity does the family get?

The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period (in years) is:

125% as a Fraction?

For S = $21,000, payments (R) of $1500 at the end of each 6-month periodi= 10% compounded semi-annually. Find the minimum number of payments to accumulate 21,000.