Aptitude and Reasoning Questions

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

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 beat variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement I: No steam are vapours

Statement II: All smoke are steam

Conclusion I: Some vapours are smoke

Conclusion II: No smoke are vapours

In the following figure, rectangle represents Psychologists, circle represents Curators, triangle represents Comedians and square represents Indians. Which set of letters represents Indians who are both Curators as well as Psychologists?

If the standard deviation of a population is 7, what would be the population variance?

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:3, what is the ratio of area of ΔADE and area of quadrilateral BDEC?

A man standing on the bank of river observes that the angle subtended by a tree on the opposite bank is 60°. When he retires 36 m from the bank, he finds that the angle is 30°. The breadth of the river is

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
Improvement

The likes and professions of five friends Rosy, Mary, Lily, Andy and Daisy are given. Consider the following information and answer questions based on it.

1. Rosy likes yellow and is a student.
2. The Librarian likes Green.
3. Mary and Andy like Purple and Blue respectively and neither of them is a Teacher.
4. Lily likes Brown and the Inspector likes Blue.
5. One of the five is a Principal.

Which colour does the Teacher like?