Directions to Solve
In each of the following questions find out the alternative which will replace the question mark.
16.
25 : 37 :: 49 : ?
A. 41 B. 65
C. 56 D. 60
Answer & Explanation
Answer: Option B
Explanation:
As 25 = (5)2 → (5 + 1)2 + 1 = 37.
As 49 = (7)2 → (7 + 1)2 + 1 = 65.
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17.
K/T : 11/20 :: J/R : ?
A. 10/18 B. 11/19
C. 10/8 D. 9/10
Answer & Explanation
Answer: Option A
Explanation:
In Eq. alphabets positions of K and T are 11 and 20 respectively.
Similarly positions of J and R are 10 and 18.
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18.
68 : 130 :: ? : 350
A. 220 B. 224
C. 222 D. 226
Answer & Explanation
Answer: Option C
Explanation:
As, 68 = (4)3 + 4
130 = (5)3 + 5
and 350 = (7)3 + 7
Therefore, ? = (6)3 + 6 = 222
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19.
61 : 121 :: ? : 337
A. 211 B. 222
C. 220 D. 240
Answer & Explanation
Answer: Option A
Explanation:
As, 61 = (4)3 – 3
121 = (5)3 – 4
and 337 = (7)3 – 6
Therefore, ? = (6)3 – 5 = 211
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20.
27 : 125 :: 64 : ?
A. 162 B. 216
C. 517 D. 273
Answer & Explanation
Answer: Option B
Explanation:
27 → 33; 125 → 53; 64 → 43
Therefore ? = 63 = 216.