Quantitative Aptitude - Arithmetic Ability Questions

If secA = x, then the value of x is

What is the value of xy if x - y = 3 and x2+y2=15?

Select the odd letters from the given alternatives.

The difference between the ages of two sisters is 4 years when father's age is 54. Father is elder by 2 years to mother . Younger sister's age is half of mother's age. Find the age of elder sister.

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits.What is the original number?

If x+1x2 = 3, then the value of x3+1x3 is:

If 177 is divided into 3 parts in the ratio 1/2 : 2/3: 4/5, then the second part is