Quantitative Aptitude - Arithmetic Ability Questions

N professes to lose 25% on rice and uses a weight of 750 gm instead of 1 kg. What is the total profit or loss percentage?

Find the missing digit if it has 11 and 13 as factors?

Rahul can complete a work in 18 days and Sonu can complete the same work in 15 days. If both together work for 5 days, then what part of total work is left?

A natural number, when divided by 5,6,7 or 8,leaves a remainder of 4 in each case. what is the smallest of all such numbers?

What value of 'p' will satisfy the equation p540 = 240p ?

A sum of Rs 4000 becomes Rs 5800 in 3 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

3cosA is equal to

The average of ten numbers is 18. If one number is removed, then the average becomes 16, then what is the removed number?