Aptitude and Reasoning Questions

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:
All mobiles are phones

Statement II:
All phones are devices

Conclusion I:
Some phones are devices

Conclusion II:
No devices are phones

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives .

The surface area of a sphere is 5544 cm2. Find its diameter (in cm).

What is the simplified value of (sec A + cos A)(sec A – cos A)?

The height of a tower is 50√3 m. The angle of elevation of a tower from a distance 50 m from its feet is

If E = 5, GUN = 42 and ROSE = 57, then what is the value of GATE ?

Consider the following information and answer questions based on it.

Seven bottles colored - brown, blue, black, violet, white, indigo and purple are kept in a row, in random order, from left to right such that the -

1. White and purple bottles are not at either extremes.

2. Brown bottle is to the immediate right of violet bottle and to the immediate left of the white bottle.

3. White, violet and brown bottles are not at the center.

4. Black bottle is to the immediate left of purple bottle.

5. Blue bottle is neither second last nor at either extremes.

Which bottle is at the center of the row?

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.