Exams

Pipes A, B and C are attached to an empty cistern. While the first two can fill the cistern in 4 and 10 hrs, respectively, the third can drain the cistern, when filled, in 6 hrs. If all the three pipes are opened simultaneously when the cistern is half-full, how many hours will be needed to fill the cistern?

If two complimentary angles are in the ratio of 11 : 7, find the smaller angle.

Mirages are formed primarily due to ___ of light.

Mechanical energy is the sum of

Choose the pair which is related in the same way as the words in the first pair from the given choices.

NESTS : BIRDS :: ____ : LION

If the average total cost are Rs 2400, average variable cost is Rs 1700 and quantity produced is 75 units, find the total fixed costs of the firm?

The line graph shows the number of deaths due to road accidents in a certain state. Study the diagram and answer the following questions.

The salary of a management trainee in the company is Rs 15,000, then what was the increase in the expense (in Rs lakhs) due to salaries that had to be paid when posts were filled for the vacancies in the year 2012?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I: Some ribbons are tapes

Statement II: Some strips are ribbons

Conclusion I: All tapes are strips

Conclusion II: No strips are tapes