Tips and Tricks to solve Bar Charts Questions

October 10, 2019

Tips and Tricks  for solving Bar Charts  Questions : 

  • Before you solve any of the questions , first you have to understand what the bar graph is trying to say. Make the habit of scanning of heading firsts. You have to understand whats on the x-axis and y-axis and whats the relation between two in terms of length bars.

 

  • These type of questions are pretty easy to solve. Just interpret the data in your mind. Check the length of bars . The answers will come surely.

 

  • Sometimes the caculations of one question will help to calculate the calculations of some other question.

Production of paper (in lakh tonnes) by three companies X, Y and Z over the years. Study the graph and answer the questions that follow.

Question 1. 

What is the difference between the production of company Z in 1998 and company Y in 1996?

(A) 2,00,000 tons

(B) 20,00,000 tons

(C) 20,000 tons

(D) 2,00,00,000 tons

Answer: Option B

Explanation:

Required difference

= [(45 – 25) * 1,00,000] tones
= 20,00,000 tons.
 

Question 2.

 
 What is the ratio of the average production of company X in the period 1998-2000 to the average production of company Y in the same period?
(A)  1:1
(B)  15:17
(C) 23:25
(D)  27:29
(E) None of these
 

Answer: Option C

Explanation:

Average production of company X in the period 1998-2000 = [1/3 * (25 + 50 + 40)] = (115/3) lakh tons. Average production of company Y in the period 1998-2000 = [1/3 * (35 + 40 + 50)] = (125/3) lakh tons. Required ratio = (115/3)/(125/3) = 115/125 = 23/25