Quantitative Aptitude - Arithmetic Ability Questions

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

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 __.

In the following question, select the odd word from the given alternatives.

ax + 5y = 8 has slope of -4/3. What is the value of a?

HCF of two numbers is 19 and their LCM is 665. If one of the number is 95, find the other.

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

The factors of x2 + 8x + 12 are

A bank offers 20% compound interest per half year. A customer deposits Rs 2800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is ______.