CA CPT Model Test Paper 13 with solutions for online practice

Find the mean and Standard Deviation of a normal distribution, when 8% of the items are over 64 and 31 % are under 45. [Given area of standard normal curve between (z = 0 to z = 0.5) = 0.19 and area between (z = 0 to z = 1.41) = 0.42]