Quantitative Aptitude - Arithmetic Ability Questions

The Simplified form of (b3x2a4z3)*(b4x3a3z2)/(a2b4z3) is

What is the unit digit of 15+25+35+...+205 ?

What would be the smaller of the two angles formed by the hour hand and the minute hand at 4:52 p.m?

If the product of two numbers is 2646 and their LCM is 42 then their HCF is

If 1/3(12x/5 - 1/2) + 6/5 = 7/6, then what is the value of x?

A train crosses a 375 m long platform in 27 seconds. How long was the train if it was travelling at the speed of 70 kmph?

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?

Find the common factor of (3757+4357) and (3737+4337) ?