Obsolete means outdated or no longer in use, while contemporary means modern or current. Therefore, contemporary is the antonym of obsolete.
((99.9 - 20.9)² + (99.9 + 20.9)² )/(99.9 x 99.9 + 20.9 x 20.9) = ?
...If the ratio of the areas of two triangles is 4:3 and the ratio of their heights is 3:4, then the ratio of the lengths of their bases will be
Find the values of x and y if 0.1x + 0.05y = 20 and 0.3(x+2) +0.6y = 66.
If 2x+1, x+2, 2 and 5 are in proportion, then what is the mean proportional between 3.5(1-x) and 8(1+x)?
If x2 - 3x + 2 is a factor of, x4 - px2 + q, then (p, q) =
Present age of Vikrant is 20% less than the present age of Priya. Age of Vikrant 5 years ago was 50% the present age of Priya. Find the present average ...
If x + y + z = 7, x² + y² + z² = 85 and x³ + y³+ z³ = 842, then the value of√3 xyz is:
...`25(2/3)+11(1/9)+16(4/5)xx6(5/12)` = ? -`632/45`
If 9x² + y² = 37 and xy=2, x, y>0, then the value of (27x³ + y³) is: