Mohan looks at a tree top and the angle made is 45 deg He moves 10 cm back and again looks at the tr...........

Quantitative Aptitude ( CCS) Height and Distance

Mohan looks at a tree top and the angle made is 45°. He moves 10 cm back and again looks at the tree top but this time angle made is 30°. How high is the tree top from ground?

10/√3 + 1 cm