Aptitude and Reasoning Questions

Study the following histogram of marks in mathematics (out of 50) of students in a class and answer the following questions.

Total number of students in the class is

Below are given statements followed by two conclusions I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts.

Statements : All birds are tall. Some tall are peacocks.

Conclusions :

I. Some birds are peacocks.

II. Some peacocks are tall.

Decide which of the below options logically follows the given statement.

If Cosecθ + Cotθ = 2, then Cotθ = ?

An equal sum is invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The total interest obtained after 2 years from both the schemes together is Rs 2090. If both the schemes have 18% per annum interest rate, then what is the first year interest (in Rs) of simple interest scheme?

How many such letters are there in the below arrangement, each of which is immediately preceded by a number and NOT immediately followed by a letter?

Q@A3RI4*6T4&4O2^$WS

In the following series, one letter is missing as shown by the question mark. Select the missing letter from the given options.

E, J, O, T, ?

Consider the given question and decide which of the following statements is sufficient to answer the question.

The trains are very punctual in Malaysia. For a maximum of how long should Mr.Z wait for the train?

Statements :
1. Mr. Z had reached the railways station at 10 a.m.
2. There is a train at 11 a.m. and the next train is at 12 p.m.

There was a group of 6 students who took a test. Another student joined the group after taking the test later. With her marks included the average score of the group went up by 3. This student has got ___ marks more than the average marks without her being included.