Quantitative Aptitude - Arithmetic Ability Questions

The sum of two positive integers is 80 & difference between them is 20. Then what is difference of squares of those numbers ?

Vinay professes to lose 4% on sugar and uses a weight of 620 gm instead of 1 kg. What is the total profit percentage?

How much simple interest will Rs. 4000 earn in 18 months at 12% per annum?

Pankaj has done 1/2 of a job in 12 days, Sainath completes the rest of the job in 6 days. In how many days can they together do the job?

If x2-2x+1=0,then the value of x4+1x4 is

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

The least number which when divides 37044, gives the result a perfect cube, is: