Smita can finish a work in 12 days and Sam can finish the same work in 9 days. After working together for 4 days they both leave the job. What is the fraction of unfinished work?
\( \frac{1}{2} \)
\( \frac{7}{9} \)
\( \frac{2}{9} \)
\( \frac{1}{4} \)
If x is a prime number, LCM of x and its successive number would be
Find the value of: \(\frac{(0.0112 - 0.0012)\times 0.14 + 0.25\times 0.2}{0.02\times 0.01}\)
If \( \frac{1}{4} \)th of the wall is painted blue, \( \frac{1}{2} \)is painted yellow and remaining 3 m is painted white, what is the length of the wall?