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?

The order of rotational symmetry of a trapezium is

Which of the following part of plant cell, is selectively permeable?

If the number x4562 is divisible by 9, what is the face value of x?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

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 perfumes are incenses

Statement II: All perfumes are oils

Conclusion I: Some incenses are oils

Conclusion II: No oils are incenses

If X and Y are the two digits of the number 347XY such that the number is completely divisible by 80, then what is the value of X + Y?

Who among the following was not a member of Boxing team of India at Rio Olympics?