If 9× 7 = 3545 ,4×7 = 1520 then 6×8 = ?

A) 5040

B) 3040

C) 4030 ✓

D) None of these

Step-by-step explanation:

9*7=3545…,.multiplying 9 with 5 gives 45 n multiplying 7 with 5 gives 35.. i.e just the ans r reversed in eqn

similarly..,

4*3=1520…, multiplying 4 with 5 gives 20 n multiplying 3 with 5 gives 15.. i.e just the ans r reversed in eqn

so ans=5*8=40 n 5*6=30…,i.e=4030

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