Quantitative Aptitude - Arithmetic Ability Questions

If the sum of ten different positive integers is 100, then what is the greatest possible number among these 10 numbers?

A train 240 meters in length crosses a telegraph post in 16 seconds. The speed of the train is?

PQR is an equilateral triangle whose side is 10 cm. What is the value (in cm) of the inradius of triangle PQR?

What is the value of tanπ4+A×tan3π4+A ?

If a - b = 2 and ab = 15, then what is the value of a3- b3?

What is the value of Tan 45° + 4/√3 Sec 60°?

Speed of a boat along and against the current are 14 kms/hr and 8 kms/hr respectively. The speed of the current is

Daily local train ticket costs Rs 60 and Monthly Pass costs Rs 1566. If I buy the Monthly Pass and travel for 29 days in a month than I save?