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24 Jul 2019, 05:52
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
54% (01:31) correct
46%
(01:26)
wrong
based on 184
sessions
History
Date
Time
Result
Not Attempted Yet
On which day shown on the graph did the value of the US dollar increase against the Rupee by the greatest amount?
(A) Jan. 10
(B) Jan. 14
(C) Jan. 21
(D) Jan. 23
(E) Feb. 4
Attachment:
2019-07-24_1649.png [ 101.59 KiB | Viewed 4101 times ]
24 Jul 2019, 08:01
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Bunuel
Hello Sir, I have a doubt on the graph provided. The y axis has repeat labels like 39.2. Is that okay? or there is a significance that I am not aware of/cannot make out. Thank you!
16 Jan 2026, 03:01
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Deconstructing the Question
Objective: Identify the day on which the value of the US dollar increased the most against the Rupee compared to the previous day.
Method: We are looking for the steepest upward slope between two consecutive data points on the graph. The "increase" is the vertical difference between the value on the given day and the day before.
Step 1: Analyze the Options
Let's estimate the values from the graph for the dates in the options:
(A) Jan 10: The graph rises from Jan 9 to Jan 10.
Jan 9 \(\approx 39.15\)
Jan 10 \(\approx 39.25\)
Increase \(\approx 0.10\).
(B) Jan 14: The graph goes down from Jan 13 to Jan 14. This is a decrease, not an increase.
(C) Jan 21: There is a sharp rise from Jan 20 to Jan 21.
Jan 20 \(\approx 39.32\) (slightly above the 39.3 line)
Jan 21 \(\approx 39.55\) (midway between 39.5 and 39.6)
Increase \(\approx 0.23\).
(D) Jan 23: There is a sharp rise from Jan 22 to Jan 23.
Jan 22 \(\approx 39.38\) (close to the 39.4 line)
Jan 23 \(\approx 39.60\) (touches the 39.6 line)
Increase \(\approx 0.22\).
(E) Feb 4: The graph rises from Feb 3 to Feb 4.
Feb 3 \(\approx 39.38\)
Feb 4 \(\approx 39.50\)
Increase \(\approx 0.12\).
Conclusion
Comparing the estimated increases, the jump on Jan 21 (approx 0.23) is slightly larger than the jump on Jan 23 (approx 0.22). Visually, the slope leading to Jan 21 covers a larger vertical distance than the others.
Answer: (C)
Objective: Identify the day on which the value of the US dollar increased the most against the Rupee compared to the previous day.
Method: We are looking for the steepest upward slope between two consecutive data points on the graph. The "increase" is the vertical difference between the value on the given day and the day before.
Step 1: Analyze the Options
Let's estimate the values from the graph for the dates in the options:
(A) Jan 10: The graph rises from Jan 9 to Jan 10.
Jan 9 \(\approx 39.15\)
Jan 10 \(\approx 39.25\)
Increase \(\approx 0.10\).
(B) Jan 14: The graph goes down from Jan 13 to Jan 14. This is a decrease, not an increase.
(C) Jan 21: There is a sharp rise from Jan 20 to Jan 21.
Jan 20 \(\approx 39.32\) (slightly above the 39.3 line)
Jan 21 \(\approx 39.55\) (midway between 39.5 and 39.6)
Increase \(\approx 0.23\).
(D) Jan 23: There is a sharp rise from Jan 22 to Jan 23.
Jan 22 \(\approx 39.38\) (close to the 39.4 line)
Jan 23 \(\approx 39.60\) (touches the 39.6 line)
Increase \(\approx 0.22\).
(E) Feb 4: The graph rises from Feb 3 to Feb 4.
Feb 3 \(\approx 39.38\)
Feb 4 \(\approx 39.50\)
Increase \(\approx 0.12\).
Conclusion
Comparing the estimated increases, the jump on Jan 21 (approx 0.23) is slightly larger than the jump on Jan 23 (approx 0.22). Visually, the slope leading to Jan 21 covers a larger vertical distance than the others.
Answer: (C)
