Exams

Two pipes can fill a cistern in 28 and 21 hours respectively and an another pipe can empty 30 gallons of water per hour. All the three pipes working together can fill the empty cistern in 84 hours. What is the capacity (in gallons) of the cistern?

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.

Shahjahan was the _____Mughal ruler.

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

x_zz_xx_z_yx

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

Statements:
(I) All fans are cups.
(II) All cups are pillows.

Conclusion:
(I) All fans are pillows.
(II) All pillows are fans.

Δ XYZ is right angled at Y. If m∠Z = 60°, then what is the value of (1/√2) Sec X?

A square is inscribed in a circle. If the side of the square is 14 cm, what is the area (in sq.cm) of the circle?

Find out the odd word/letters/number/number pair from the given alternatives.