Ravi travels 300 km. partly by train and partly by car. He takes 4 hr. to reach, if he travels 60 km. by train and rest by car. He will take 10 minutes more if he were to travel 100 km. by train and rest by car. the speed of the train is:

If the volume of two cubes are in the ratio of 343: 512, then what is the ratio of their total surface area?

A particular job can be completed by a team of 10 men in 12 days, The same job can be completed by a team of 10 women in 6 days. How many days are needed to complete the job if the two teams work together?

If  tan²θ +cot²θ  = 2, then what is the value of  2^{secθ cosecθ}?

Direction (94-98): Study the following table to answer the given questions.
         Centre and Post-wise Numbered of candidate

What is the difference between total number of Officers and Clerks?

The number 5769116 is divisible by which of the following numbers?

Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 25.5 while the average of the largest three was 29.5. What is the range of the data?