Quantitative Aptitude - Arithmetic Ability Questions

4 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

In an examination, 35% of total students failed in Hindi, 45% failed in English and 20% failed in both. Find the percentage of those studnets who passed in both the subjects ?

If a3+ b3 = 19 and a + b = 1, then what is the value of ab?

∆ABC is right angled at B. If m∠A = 30°., then Sec C =?

A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6 km/hr and partly on bicycle @ 12 km/hr. What is the distance (in kms) travelled on foot?

20 pens and 46 pencils were purchased for Rs. 235. If the average price of a pencil is Rs. 2.50 then calculate the average price (in Rs.) of a pen.

Which of the following numbers will have an irrational square root?

If x+1x:x-1x=5:3 then the value of x is