Disclaimer: NTA forgot to print the common data for Questions 25–27 in the candidate response sheet. We reverse-engineered the data based on student memory, so the table below is not the original NTA data., Year, Steel production, 2017, 238, 2018, 267, 2019, 301, 2020, 346, 2021, 382, 2022, 393, 2023, 438, 2024, 471 The percent change in production of steel is minimum for which of the following pair of years? Option 1: From 2017 to 2018 Option 2: From 2021 to 2022 Option 3: From 2018 to 2019 Option 4: From 2019 to 2020

Answer: From 2021 to 2022. Solution: For each listed pair, use Percentage change=(new-old)/(old)x100., Pair, Change, Percentage change, 2017 to 2018, 29, 29/238x10012.18%, 2021 to 2022, 11, 11/382x1002.88%, 2018 to 2019, 34, 34/267x10012.73%, 2019 to 2020, 45, 45/301x10014.95%, The smallest percentage change is from 2021 to 2022.

Logical Reasoning

Tabular Data

Medium

Disclaimer: NTA forgot to print the common data for Questions 25–27 in the candidate response sheet. We reverse-engineered the data based on student memory, so the table below is not the original NTA data.

Year	Steel production
2017	238
2018	267
2019	301
2020	346
2021	382
2022	393
2023	438
2024	471

The percent change in production of steel is minimum for which of the following pair of years?

From 2017 to 2018

From 2021 to 2022

From 2018 to 2019

From 2019 to 2020

✅ Correct Option: 2

For each listed pair, use

$\text{Percentage change}=\dfrac{\text{new}-\text{old}}{\text{old}}\times100$ .

Pair	Change	Percentage change
2017 to 2018	$29$	$\dfrac{29}{238}\times100\approx12.18\%$
2021 to 2022	$11$	$\dfrac{11}{382}\times100\approx2.88\%$
2018 to 2019	$34$	$\dfrac{34}{267}\times100\approx12.73\%$
2019 to 2020	$45$	$\dfrac{45}{301}\times100\approx14.95\%$

The smallest percentage change is from 2021 to 2022.

Question 25

How many years have shown production of steel above the average production for the given period (2017-2024)?

Question 27

The increase in production of steel in 2023 over the preceding year is how many times compared to the increase in production of steel in 2021 over its preceding year?

The percent change in production of steel is minimum for which of the following pair of years?

Solution

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