Two taps can fill a cistern in 2 hours and 54 hours respectively. A third tap can empty it in 54 hours. How long (in hours) will it take to fill the empty cistern, if all of them are opened together?
Correct Answer:
C. 2
Explanation:
The logic follows a consistent subtraction of letters based on their position in the English alphabet.
Pattern Analysis:1. SKIB to OGNG:
S (19) - 4 = O (15)
K (11) - 4 = G (7)
I (9) + 5 = N (14)
B (2) + 5 = G (7)
The pattern is -4, -4, +5, +5.
2. CUCV to YQHA:
C (3) - 4 = Y (25)
U (21) - 4 = Q (17)
C (3) + 5 = H (8)
V (22) + 5 = A (1)
The pattern confirms -4, -4, +5, +5.Application to QIRK:
Q (17) - 4 = M (13)
I (9) - 4 = E (5)
R (18) + 5 = W (23)
K (11) + 5 = P (16)
Therefore, QIRK is related to MEWP.
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