Quantitative Aptitude - Arithmetic Ability Questions

Divide 13,680 in three parts such that 1st part is 3/5th of the third part and the ratio between 2nd and 3rd part is 4:7. How much is the first part?

∆XYZ is right angled at Y. If CosecX = 17/15, then what is the value of CotZ?

If a+b=3 then the value of a3+b3+9ab-­27 is

A watch is listed for Rs.230 and is sold at a discount of 12%, then the sale price of the watch is

A man travels 430 kilometres in, partly by rail and partly by steamer. He spends 10 hours more time on steamer. If the velocity of the steamer is 25 km/hr and the velocity of rail is 65 km/hr, how much distance does he cover by steamer?

10+10(9) =

Direction: What should come in the place of question mark (?) in the following number series? 24, 25, ?, 41, -8, 73

If the hour hand of a clock moves by 18 deg then by how many degrees does the minute hand move during the same time?