Quantitative Aptitude - Arithmetic Ability Questions

If x-1x = 10, then find the value of x4+1x2

The ratio of the present ages of Reena and her husband is 4 : 5. 8 years from now, ages of her husband and her son will be in the ratio 24 : 9. If the present age of Reena is 32 years, then what will be her son’s present age (in years)?

Praneet started his journey at 2:45:46 p.m. and reached the destination at 4:55:57 p.m. Anit started the journey 58 mins 40 secs after Praneet and reached his destination 50 mins 29 secs after him. How long did Anit take to complete his journey?

X attempts 94 questions and gets 141 marks. If for every correct answer 4 marks is given, and for every wrong answer 1 mark is deducted, then the number of questions wrongly answered by X is __.

If the difference between the roots of the equation Ax2 – Bx + C = 0 is 4, then which of the following is TRUE?

26% of a number is 65. What is the number?

What is the HCF of 36, 72 and 126?

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is