If 27 * 4 = 77 and 31 * 9 = 239, then 21 * 6 = ?

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A94

B107

C99

D105

Answer:

(27 × 4) – (27 + 4) = 77; (31 × 9) – (31 + 9) = 239; Similarly, (21 × 6) – (21 + 6) = 99

Related Questions:

If - means +, × means ÷, ÷ means -, + means ×, what will come in place of the question mark(?)

32 + 36 × 4 - 21 ÷ 56 = ?

ചോദ്യചിഹ്നത്തിന് (?) പകരം വയ്ക്കാവുന്ന സംഖ്യ തിരഞ്ഞെടുക്കുക.

Which of the following options represents the nearest approximate value that will come in place of question mark (?) in the following equation?

$(\sqrt{360}+12\div 6 \times 3-\sqrt{170})\div 2=?$