The greatest value of sin4θ + cos4θ is
Eight men can complete a work in 54 days. In how many days will 6 men and 12 boys complete the same work if one man works as much as 2 boys?
If a pole of 12 m height caste a shadow of 4√3 m long on the ground then the sun's angle of elevation at that instant is
If tan A = 1/2 and tan B = 1/3, then the value of A + B is
20 men can finish a work in 30 days. They started working, but 4 men left the work after 10 days. In how many days would the work be completed?