## Railways Quant Test 86

Instructions

For the following questions answer them individually

Q 1

Find the median mode and mean of 9, 5, 8, 9, 9, 7 8, 9, 8.

Q 2

The ratio of two numbers is 3:1 and their sum is 72. Find the difference between the numbers.

Q 3

If $$x^2 + kx + k = 0$$ has repeated roots, then the value of $$k$$ will satisfy:

Q 4

The mean of three numbers is 20. The range of this data set is 12 while the difference between the two smallest numbers is 3. The greatest of the three natural numbers is:

Q 5

The value of $$14 \div$$ { ( 5 of 2 - 3 ) } $$\times 4 ( 7 - 2 )$$ is :