Quantitative Aptitude - Arithmetic Ability Questions

If x + 3y - 2z4 = 6, x + 232y + 3z = 33 and 17x + y +z + 2z =9, then what is the value of 46x+ 131y ?

The rate of simple interest for which a sum of money becomes 5 times in 8 years is

The upper part of a tree broken over by the wind make an angle of 60 deg with the ground. The distance between the root and the point where top of the tree touches the ground is 25 metres. What was the height (in metres) of the tree?

What is the simplified value of 22433+393-11253?

What is the value of x4+y4 when the value of x3+y3=8 and x+y=2 ?

Find the mean proportional between 2 and 98?

If the product of two numbers is 2522 and their LCM is 97 then their HCF is

The mean score in a test of the 10 boys in a class was 15 while the overall mean of the 25 students in the class was 16.2. What was the mean score of the girls?