Aptitude and Reasoning Questions

An aeroplane flying horizontally at a height of 3 Km. above the ground is observed at a certain point on earth to subtend an angle of 60°. After 15 sec flight, its angle of elevation is changed to 30°. The speed of the aeroplane (taking √3 = 1.732) is

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

The simple interest on a sum is 7/8 of the principal for 5 years. What is the rate (in percentage) of interest per annum?

The two lines 4x+3y=0 and 7x+5y=0 will ______ in their graphical representation.

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem 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) Major companies are nowadays surviving because of the strong supply chain system.
(II) Supply chain comprises of logistics, retailers and distributers.

Conclusions:
(I) Retailers play most important role because they interact with customers on first hand.
(II) If an organization has strong logistics, then product can easily be available to the customers in such an era of competition.

A piece of paper is folded and punched as shown in the figure, indicate how it will appear when it is opened?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A from these matrices can be represented first by its row and next by its column. e.g. N can be represented by 01, 14 etc. and A can be represented by 55, 69, etc. You have to identify the set for the word ‘GOOD’.