Quantitative Aptitude - Arithmetic Ability Questions

If x = 6+26, then what is the value of x-1 + 1x-1 ?

The average salary of male employees in a firm was Rs. 5200 and that of females was Rs. 4200. The mean salary of all the employees was Rs. 5000. What is the % of female employees?

If 5 person together can make 5 mats in 5 hrs, then 10 person in 10 hours will make

A train of length 100 m crosses another train of length 150 m, running on a parallel track in the opposite direction in 9 seconds. If the speed of trainhaving length 150 m is 40 km/hr, then what is the speed (in km/hr) of the other train?

For x = 462+3, what is the value of x+22x-22+x+23x-23

Ticket for an adult is Rs 1500 and a child is Rs 800. 1 child goes free with two adults. If a group has 25 adults and 12 children what is the discount the group gets?

If Gaganjyot's salary is 7/6 times of Hafiz's and Sayed's is 8/7 times of Hafiz's, what is the ratio of Gaganjyot's salary to Sayed's.

If 27N4 is divisible by 11, then what is the value of N?