Latest NDA Aptitude Question SOLUTION: If a line makes 30º with the positive direction of x-axis, angle β with the positive direction of y-axis and
angle γ with the positive direction of z-axis, then what is cos^2β
If a line makes 30º with the positive direction of x-axis, angle β with the positive direction of y-axis and
angle γ with the positive direction of z-axis, then what is cos^2β + cos^2 γ equal to ?
A man has one hundred dollars and you leave him with two dollars. That's subtraction.
Mae West
The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?