If 27 * 4 = 77 and 31 * 9 = 239, then 21 * 6 = ?
A94
B107
C99
D105
A94
B107
C99
D105
Related Questions:
If ' + ' means ' - ', ' - ' means ' × ', ' × ' means ' ÷ ' , ' ÷ ' means ' + ', what will come in place of the question mark (?) in the following equation?
38 ÷ 10 × 5 - 7 + 10 × 2 = ?
If A denotes '+', B denotes '×', C denotes '-', and D denotes '÷', then what will come in place of '?' in the following equation?
(51 D 17) A (21 B 9) C 78 A (16 D 4) = ?