Quantitative Aptitude - Arithmetic Ability Questions

If cos 240° = x, then value of x is

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 __.

Four pairs of words are given. Find the odd one out.

Find the value of 777777?

The simple and compound interest that can be earned in two years at the same rate is Rs 1,000 and Rs 1,040 respectively. What is the rate (percent per annum) of interest?

R borrowed Rs. 1,200 at 13% per annum simple interest. What amount will R pay to clear the debt after 5 years?

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?