Quantitative Aptitude - Arithmetic Ability Questions

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.

If x = 1/(√2+1) then the value of x2 + 2x - 1 is

In a trapezium, one diagonal divides the other in the ratio 2 : 9. If the length of the larger of the two parallel sides is 45 cm, then what is the length (in cm) of the other parallel side?

A train starts from a place A at 8:00 a.m. and arrives at another place B at 1:30 p.m. on the same day. If the speed of the train is 30 km/hr, then what will be the distance (in km) covered by the train?

A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and there after travel 90km at 15 km/h. His average speed is

What is the y – intercept of the linear equation 59x + 14y – 112 = 0?

If x - y = -6 and x + y = 16, then x2- y2 is?

If 4/5th of 6/7th of a number is 216, then 8/9th of that number will be