3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work?
\(\rm \frac{cosA+cosB}{sinA-sinB}=\)
Akhil rides first 12 km at a speed of 16 km/h and further 6 km at a speed of 20 km/h. Find his average speed (in km/h).
What will the value of the sum of Rs 537000 if it is increased by 10% then further increased by 17% and finally reduced by 10% ?
Anu can complete a piece of work in 22 days. Shama is 60% more efficient than Anu. How many days does Shama alone take to complete the same piece of work?