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If 31 C 19 D 57 = 93 and 52 C 13 D 5 = 20, then 98 C 14 D 11 = ?
Question

If 31 C 19 D 57 = 93 and 52 C 13 D 5 = 20, then 98 C 14 D 11 = ?

A.

73

B.

77

C.

75

D.

79

Correct option is B

Given: If 31 C 19 D 57 = 93 and 52 C 13 D 5 = 20, then 98 C 14 D 11 = ?
Logic: C means ÷, D means ×
31 C 19 D 57 = 93
This becomes: 31÷19 ×57=93
31 × 3 = 93
52 C 13 D 5 = 20,
This becomes: 52÷13×5=20
52÷13=4
4×5=20
Solving the new equation:
98 C 14 D 11 = ?
This becomes: 98÷14×11
98÷14=7
7×11=77
Thus, the correct answer is 77.
Thus, the correct answer is (b) 77.

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