Aptitude and Reasoning Questions

The following questions are based on the information given below

In a school of 4000 students 3000 know English, 2000 know French and 5000 know Hindi, 1500 know French and English, 300 know French and Hindi, 200 know English and Hindi and 50 know all the three languages.

How many know atleast one language?

A bag contains 6 black and 8 white balls. One ball is drawn at random. What is the probability that the ball drawn is white?

If the digits in the number 25673948 are arranged in ascending order from left to right, what will be the sum of the digits which are fourth from the right and third from the left in the new arrangement?

The given graph shows the registration of bikes and total vehicles (in thousands) for 6 months in 2017 in City X.

Note : In the chart, the first number represents bikes (grey) and the second number represents total vehicles (black).

Based on the given data, in March 2017, the number of vehicles other than bikes registered is

Of the six members of a panel sitting in a row  X is to left of Q but on the right  of P. Y is in the right of Q but is on the left of Z, Z is to the left of R. Find the members who are at the extreme?

Identify the diagram that best represents the relationship among classes given below:

Universe,Stars,Sun

If the total number of bikes sold in 2009 was 50000, then by what number was the sales of white bikes less than that of yellow and red bikes put together?

If logaab = x, then logbab = ?