Look at the given equations and find the missing number.
If,
2 x 3 = 18
3 x 4 = 72
Then;
4 x 5 = ?
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Solving, what comes next in the Sequence riddles are good to improve your logical reasoning skills. Solve them regularly to increase your mind power.
2*3 =2*3=6*3=18
3*4=12*6=72
4*5=20*9=180
2×2+3×3/2=18
3×3+4×4/2=72
4×4+5×5/2=200
180
200
100
90
120
81