Exams

The angle of elevation of an aeroplane from a point on the ground is 60 deg. After flying for 30 seconds, the angle of elevation changes to 30 deg. If the aeroplane is flying at a height of 4500 m, then what is the speed (in m/s) of aeroplane?

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

What is the weight of ten iron balls if each ball is of the same weight?

Statements :

1. One-fourth of each ball's weight is 5 kg.

2. The total weight of three iron balls is 20 kg more than the total weight of two iron balls.

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

All natural numbers are whole numbers?

(I) All natural numbers plus 0 are called whole numbers

(II) Whole numbers are different from natural numbers

Consider the given statements to be true and decide which of the conclusions logically follows from the statements.

Statement :
Some angels are gods.
All living being are gods.

Conclusions :

1. Some angels are living beings.
2. Some living beings are angels.

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

b_a_c_bc_b_ a

The table below depicts the Number of Books Sold by 5 cities during 5months. Study the following table and answer the questions.

What is the respective ratio between the total number of books sold by City A in July and September together and total number of books sold by  City Ein August and October together?

The data collected from which one of the following methods is not a primary data?

Which answer figure will complete the pattern in the question figure?