Quantitative Aptitude - Arithmetic Ability Questions

If A's salary is 40% less than that of B, then how much percent is B's salary more than that of A?

Two businessmen A and B invest in a business in the ratio 5 : 8. They decided to reinvest 30% of the profit they earned back into the business. The remaining profit they distributed amongst themselves. If A's share of the profit was Rs 87,500 then how much profit (in Rs) did the business make?

A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work?

What is the average of first 19 odd numbers?

What is the value of [12/(√5 + √3)] + [18/(√5 – √3)]?

ΔABC is right angled at B. If m∠A = 45°, then find the value of (cosecC + 1/√3).

The ratio of the sum of the salaries of A and B to the difference of their salaries is 11:1 and the ratio of the sum of the salaries of B and C to the difference of their salaries is also 11:1. If A's salary is the highest and C's is the lowest then what is B's salary (in Rs) given the total of all their salaries is Rs 1,82,000?

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?