Quantitative Aptitude - Arithmetic Ability Questions

Raghavendra sells a machine for Rs 43 lakhs at a loss. Had he sold it for Rs 52 lakh, his gain would have been 5 times the former loss. Find the cost price of the machine.

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE

The area of a semicircle is 1925 sq.cm. Calculate its perimeter (in cm).

Find the odd word/letters/number from the given alternatives.

The compound interest earned in two years at 12% per annum is Rs 10176. What is the sum (in Rs) invested?

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

Ravi had five subjects in his final examination. The maximum marks in each subject are 100. If his percentage in four subjects is 80, and he scores 65 marks in the fifth subject, determine his overall percentage for the five subjects.

Which one of the following is an irrational number?