Quantitative Aptitude - Arithmetic Ability Questions

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

Coefficient of x2in (x + 9)(6 - 4x)(4x - 7) is

∆LMN is right angled at M. If m ∠N = 45°. What is the length (in cm) of MN, if NL = 6√2 cm?

If x+1x=5, then 6xx2+x+1 value is

After 10 innings the average score per innings of a batsman was 52. After 12 innings the average rose to 54. If the batsman had scored 16 more runs in the 12th innings than in the previous one, how many runs did he score in the 11th innings?

A merchant changed his trade discount from 25% to 15%. This would increase selling price by

If (1 - cosA)/2 = x, then the value of x is

Rahul’s salary is 40% of Mohit’s salary. If Rahul’s salary is increased by 60% and Mohit’s salary is decreased by 20%, then Rahul’s salary will be how much percentage of Mohit’s salary?