Quantitative Aptitude - Arithmetic Ability Questions

If x2-3x+1=0, then x+1x is (x≠0)

What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?

The angle of elevation of the top of a tower, vertically erected in the middle of a paddy field, from two points on a horizontal line through the foot of the tower are given to be α and β (α>β). The height of the tower is h unit. A possible distance (in the same unit) between the points is

If 1 dupatta is offered free on purchase of 4 dupattas priced Rs 1300 each what is the effective discount on each dupatta?

How many numbers are there from 300 to 700 which are divisible by 2, 3 and 7?

What number should be added to each of 4, 16, 18 and 58 so that the resulting numbers will be in proportion in the given order?

12 men and 16 women together can complete a work in 4 days. It takes 80 days for one man alone to complete the same work, then how many days would be required for one woman alone to complete the same work?

If a - b = 3 and a2+b2=25, then the value of ab is