Quantitative Aptitude - Arithmetic Ability Questions

In the given figure, PQRS is a square and SRT is an equilateral triangle. What is the value (in degrees) of angle SOR?

In ΔPQR, PQ = PR = 18 cm, AB and AC are parallel to lines PR and PQ respectively. If A is the mid-point of QR, then what is the perimeter (in cm) of quadrilateral ABPC?

In ∆ABC two medians BE and CF intersects at the point O and P,Q are the midpoints of BO and CO respectively. If the length of PQ=3cm, then the length of FE will be

Solve 675.9995+(3.9989)2 = ? ÷ 16.9900865

A sum of Rs. 3000 amounts to Rs. 6000 in two years at compound interest. The interest for four years is

A, B and C invest to start a restaurant. The total investment was Rs 3 lakhs. B invested Rs 50,000 more than A and C invested Rs 25,000 less than B. If the profit at the end of the year was Rs 14,400 then what is C's share of the profit (in Rs)?

What is the sum of all natural numbers between 100 and 400 which are divisible by 13?

The average marks of 40 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 73 instead of 37. What is the value of correct average?