The average monthly salary of all the employees in a company is ₹ 12,000. Among them the average salary of male employees is ₹15,000 and that of female employees is ₹8000. Accordingly, what is the ratio of male and female employees?

If $$ {sin\ {θ}}={1\over {\sqrt{2}}}$$ then (tanθ+cosθ)=?

The price of $$ {4{1\over2}}$$ meter of cloth is Rs.$$ {60{3\over4}}$$. Find the cost per meter.

In a race of 800 metres, A can beat B by 40 metres. In a race of 500 metres, B can beat C by 5 metres. In a race of 200 metres, A will beat C by

A person goes from P to Q in 8 hours. He starts from P at 8 a.m. Another person goes from Q to P in 12 hours. He starts from Q at 9 a.m. At what time will they meet?

A dozen pair of socks quoted at ₹ 80 are available at a discount of 10%. How many pairs of socks can be bought for ₹24?

The marked price of a T.V. is ₹16,000. After two successive discounts it is sold for ₹11,400. If the first discount is 5%, then the rate of second discount is 

If x = a - b, y = b - c, z = c - a, then the numerical value of the algebraic expression x³ +y³ + z³ -3xyz will be