Comprehension
The table provided displays the estimated cost (in lakh) for the construction of a canal between two points. Based on the information in the table, answer the questions that follow.
Question: 1
If the length of the canal to be laid each year is proportional to the estimated cost for materials and labour, what fraction of the total length is intended to be completed by the third year?
If the length of the canal to be laid each year is proportional to the estimated cost for materials and labour, what fraction of the total length is intended to be completed by the third year?
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When dealing with proportionality questions based on tables, identify the relevant rows first. Sum them up for each required period and then form the ratio. Careful summation is key.
Updated On: Feb 14, 2026
- 0.72
- 0.68
- 0.70
- 0.74
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The Correct Option is B
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Question: 2
If the cost of materials increases by 5% each year from 2022 onwards, by how much will the estimated cost (in Rupees lakh) rise?
If the cost of materials increases by 5% each year from 2022 onwards, by how much will the estimated cost (in Rupees lakh) rise?
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For percentage increase problems, you can sum the base values first and then find the percentage of the sum, if the percentage increase is the same. Here, you could calculate 5% of (232.5 + 258.0) = 5% of 490.5 = 24.525.
Updated On: Feb 14, 2026
- 23.53
- 22.53
- 24.53
- 21.53
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The Correct Option is C
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Question: 3
After preparing the estimate, the provision for contingencies is deemed inadequate and is therefore doubled. By how much percentage does the total estimate increase?
After preparing the estimate, the provision for contingencies is deemed inadequate and is therefore doubled. By how much percentage does the total estimate increase?
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To solve percentage change problems, you don't always need the new total. Simply find the change amount and divide it by the original total.
Updated On: Feb 14, 2026
- 3.47%
- 3.07%
- 2.87%
- 3.27%
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The Correct Option is A
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Question: 4
To ensure that the total expenditure remains within Rupees1,050 lakh, an equal reduction in management expenditure is proposed for all years. What will be the percentage reduction for the year 2021?
To ensure that the total expenditure remains within Rupees1,050 lakh, an equal reduction in management expenditure is proposed for all years. What will be the percentage reduction for the year 2021?
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Break down complex problems into smaller steps: find the total amount to be changed, determine how the change is distributed, and then calculate the percentage change for the specific item requested.
Updated On: Feb 14, 2026
- 52.78%
- 37.78%
- 42.78%
- 47.78%
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The Correct Option is C
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- Five restaurants, coded R1, R2, R3, R4 and R5 gave integer ratings to five gig workers – Ullas, Vasu, Waman, Xavier and Yusuf, on a scale of 1 to 5. The means of the ratings given by R1, R2, R3, R4 and R5 were 3.4, 2.2, 3.8, 2.8 and 3.4 respectively.
The summary statistics of these ratings for the five workers is given below.* Range of ratings is defined as the difference between the maximum and minimum ratings awarded to a worker.Ullas Vasu Waman Xavier Yusuf Mean rating 2.2 3.8 3.4 3.6 2.6 Median rating 2 4 4 4 3 Model rating 2 4 5 5 1 and 4 Range of rating 3 3 4 4 3
The following is partial information about ratings of 1 and 5 awarded by the restaurants to the workers.
(a) R1 awarded a rating of 5 to Waman, as did R2 to Xavier, R3 to Waman and Xavier, and R5 to Vasu.
(b) R1 awarded a rating of 1 to Ullas, as did R2 to Waman and Yusuf, and R3 to Yusuf. - Odsville has five firms – Alfloo, Bzygoo, Czechy, Drjbna and Elavalaki. Each of these firms was founded in some year and also closed down a few years later.
Each firm raised Rs. 1 crore in its first and last year of existence. The amount each firm raised every year increased until it reached a maximum, and then decreased until the firm closed down. No firm raised the same amount of money in two consecutive years. Each annual increase and decrease was either by Rs. 1 crore or by Rs. 2 crores.
The table below provides partial information about the five firms.Firm First year of existence Last year of existence Total amount raised (Rs. crores) Alfloo 2009 2016 21 Bzygoo 2012 2015 Czechy 2013 9 Drjbna 2011 2015 10 Elavalaki 2010 13 - Three participants – Akhil, Bimal and Chatur participate in a random draw competition for five days. Every day, each participant randomly picks up a ball numbered between 1 and 9. The number on the ball determines his score on that day. The total score of a participant is the sum of his scores attained in the five days. The total score of a day is the sum of participants’ scores on that day. The 2-day average on a day, except on Day 1, is the average of the total scores of that day and of the previous day. For example, if the total scores of Day 1 and Day 2 are 25 and 20, then the 2-day average on Day 2 is calculated as 22.5. Table 1 gives the 2-day averages for Days 2 through 5.Participants are ranked each day, with the person having the maximum score being awarded the minimum rank (1) on that day. If there is a tie, all participants with the tied score are awarded the best available rank. For example, if on a day Akhil, Bimal, and Chatur score 8, 7 and 7 respectively, then their ranks will be 1, 2 and 2 respectively on that day. These ranks are given in Table 2.
Table 1: 2-day averages for Days through 5 Day 2 Day 3 Day 4 Day 5 15 15.5 16 17 The following information is also known.Table 2 : Ranks of participants on each day Day 1 Day 2 Day 3 Day 4 Day 5 Akhil 1 2 2 3 3 Bimal 2 3 2 1 1 Chatur 3 1 1 2 2
1. Chatur always scores in multiples of 3. His score on Day 2 is the unique highest score in the competition. His minimum score is observed only on Day 1, and it matches Akhil’s score on Day 4.
2. The total score on Day 3 is the same as the total score on Day 4.
3. Bimal’s scores are the same on Day 1 and Day 3. - Odsville has five firms – Alfloo, Bzygoo, Czechy, Drjbna and Elavalaki. Each of these firms was founded in some year and also closed down a few years later.
Each firm raised Rs. 1 crore in its first and last year of existence. The amount each firm raised every year increased until it reached a maximum, and then decreased until the firm closed down. No firm raised the same amount of money in two consecutive years. Each annual increase and decrease was either by Rs. 1 crore or by Rs. 2 crores.
The table below provides partial information about the five firms.What is the largest possible total amount of money (in Rs. crores) that could have been raised in 2013? (This Question was asked as TITA)Firm First year of existence Last year of existence Total amount raised (Rs. crores) Alfloo 2009 2016 21 Bzygoo 2012 2015 Czechy 2013 9 Drjbna 2011 2015 10 Elavalaki 2010 13 - Want to practice more? Try solving extra ecology questions todayView All Questions