In Tata company there are 78000 employees out of which males and females are in the ratio 7 : 6. Out of the males 35% are working as HR and out of females 25% are working as HR. Find the total number of employees working as HR in the company.

If a = 7, b = 5 and c = 3, then the value of $$a^2+b^2+c^2-ab-bc-ca$$ is 

The value of sin 73⁰ + cos 137⁰ is:

Virat starts a business with Rs.6,500 and after 8 months Sohan joins Virat as his partner. After 4 years the profit is divided in the ratio of 13 : 12. What is Sohan contribution in the capital?

Directions : In an Institution there are 800 students. Students use different modes of transport for going to the institution and return. The given pie diagram represents the requisite data. Study the diagram carefully and answer the questions.

The number of students who travel in public bus is

Which of the following options is divisible by 11?

If a=25, b=15 , c=-10 then find the value of $$ {a^{3}+b^{3}+c^{3}-3abc\over {(a-b)^{2}+(b-c)^{2} +(c-a)^{2}}}$$

A is 40% more efficient than B. How much time will both, working together, take to finish the work, which B alone can finish in 36 days?