Quantitative Aptitude - Arithmetic Ability Questions

A and B started a partnership business investing some amount in the ratio of 5 : 6. C joined then after 6 months with an amount equal to 2/3rd of B. What was their profit (in Rs) at the end of the year if C got Rs 21,600 as his share?

A profit of Rs. 960 is divided between A and B in the ratio 1/3:1/2. The difference of their profit is :

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

If the radius of a circle is decreased to 25% of its original value, calculate the percentage decrease in the area of the circle

In a class of 50 students there are 22 girls who scored an average of 35 marks in the test. What is the average marks of the boys if the class average is 42 marks?

If a-1a=7,then a2+1a2=?

Find out the odd word/letters/number/number pair from the given alternatives.

A shopkeeper earns a profit of 15% after selling a book at 20% discount on the printed price . The ratio of the cost price and printed price of the book is