Quantitative Aptitude - Arithmetic Ability Questions

If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.

If the difference between the measures of the two smaller angles of a right angled triangle is 8°, then the smallest angle is

In the given figure, ABCD is a square, BCXYZ is a regular pentagon and ABE is an  equilateral triangle. What is the value in deg of EBZ?

The simplification value of 735+2-552+7+227+5 is

Rs. x invested at 9% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 6.25% simple interest per annum for 8 years. Find x:y.

Car B is twice as fast as car A. If car A covers 90 km in 2 hours, what is the speed of car B?

A shopkeeper cheats to the extent of 8% while buying and selling fruits, by using tampered weights, his total gain in percentage is

The average revenues of 7 consecutive years of a company is Rs 79 lakhs. If the average of first 4 years is Rs 74 lakhs and that of last 4 years is Rs 86 lakhs, what is the revenue for the 4th year?