Quantitative Aptitude - Arithmetic Ability Questions

Akash's monthly income is Rs. 9600. His monthly expenditure is 60% of his income. What is his saving per month?

A defective piece of article which costs Rs. 1200 is being sold at a loss of 15%. If the price is further reduced by 5%, find the S.P?

If the angles of a triangle are in the ratio of 1 : 4 : 7, then find the ratio of the greatest angle to the smallest angle.

∆XYZ is right angled at Y. If tanX = 15/8, then what is the value of sinZ ?

If the time increases by 5 years, then simple interest increases by Rs 3000 on a sum of Rs 5000. What is the rate (in percentage) of interest per annum?

Six year ago Parvez’s age was same as the present age of Manish. If the present age of Parvez is one-fourth more than that of Manish's present age, then in how many years will Parvez’s age become double of Manish’s present age?

How many balls of radius 2 cm can be made by melting a bigger ball of diameter 16 cm? (Take π = 22/7)

If PA and PB are tangents to the circle with centre O such that ∠APB=50°, then the ∠OAB=