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Two pipes A and B can independently fill a tank completely in 20 and 30 minutes respectively. If both the pipes are opened simultaneously, how much time will they take to fill the tank completely?

10 minutes
12 minutes
15 minutes
25 minutes
Additional Questions

Each of the six different faces of a cube has been coated with a different colour i.e., V, I, B, G, Y and O. Following information is given:
1. Colours Y, O and B are on adjacent faces.
2. Colours I, G and Y are on adjacent faces.
3. Colours B, G and Y are on adjacent faces.
4. Colours O, V and B are on adjacent faces.
Which is the colour of the face opposite to the face coloured with O?

Answer

Consider the following statements followed by two conclusions:
Statements: Some men are great.
Some men are wise.
Conclusion I: Men are either great or wise.
Conclusion II: Some men are neither great nor wise
Which one of the following is correct?

Answer

Consider the following statements:
1. Some claim to have seen UFOs (Unidentified Flying Objects).
2. Life on other heavenly bodies is considered to be a possibility.
3. Voyage to space is now an established fact.
From the above statements, it may be concluded that

Answer

If ABC x DEED = ABCABC; where A, B, C, D and E are different digits, what are the values of D and E?

Answer

Year-wise variation of the price of a certain commodity is shown in the following graph:

The price of the commodity in the year 1990

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The proportion of expenditure on various items by two families A and B are represented in the following Bar Charts:

From these charts, we can conclude that

Answer

Usha runs faster than Kamala, Priti runs slower than Swati, Swati runs slower than Kamala. Who is the slowest runner?

Answer

Which among the following is the most logical and rational assumption that can be made from the above passage?

Answer

This is a sensitive issue-based story which tries to sensitise the readers about

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Which among the following is the most logical and rational inference that can be made from the above passage?

Answer
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