## SSC CGL Mathematics Test 6

Instructions

For the following questions answer them individually

Question 1

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

Question 2

The average age of 120 members of a society is 60.7 years. By addition of 30 new members, the average age becomes 56.3 years. What is the average age (in years) of newly joined members?

Question 3

The marked price of a shirt is Rs 1280. If the shirt is being sold for Rs 900, then what is the discount percentage?

Question 4

If $$x-\frac{1}{3x}=\frac{1}{3}$$, the value of $$3x(x-\frac{1}{3x})$$ is

Question 5

The mean of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53. The correct mean is: