Quantitative Aptitude - Arithmetic Ability Questions

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

What is the value of √2 Sec 45° + (1/√3)Tan 30°?

A sum of Rs 1200 amounts to Rs 1740 in 3 years at simple interest. If rate of interest is increased by 3%, then what will be the new amount (in Rs)?

For what sum will the simple interest at R% for 2 years will be R?

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

A can make a cupboard in 10 days and B can do it in 50 days. Along with C, they did the job in 6.25 days only. Then in how many days C alone can do the job?

10 persons can do a job in X days. If 20 persons with twice the efficiency can do the same job in 5 days, then find the value of X?

If 7 times the seventh term of an Arithmetic Progression (AP) is equal to 11 times its eleventh term, then the 18th term of the AP will be