Quantitative Aptitude - Arithmetic Ability Questions

The value of ds+t÷ds÷dt

If a + b + c = 0 , then the value of a3 + b3+ c3 is

Select the odd word/letters/number/number pair from the given alternatives.

25% discount is offered on an item. By applying a promo code a customer wins 10% cash back. What is the effective discount?

If x = 1 + √2 + √3, then the value of x2-2x-4=0

If 13x2 = 172 - 92, find the value of x?

A and B together can complete a work in 24 days. B alone does 1/3rd part ofthis work in 12 days. How many days will A alone take to complete the remaining work?

The sum of the ages of father and son at present is 33. Two years ago the product of their ages was 28. What is the age of the father and the son?