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12. Choose the option which replaces the question mark:12(a) 8(c) 10(b) 9(d) 14 |
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Answer» mechanism behind answer is to subtract the addition of lower 2 numbers from the addition of upper 3 numbersso in 1st figure addition of upper 3 numbers are 8+6+3=17 and addition of lower 2 numbers are =7+5=12so difference is =17-12=5same way in 2nd figure addition of upper 3 numbers are 2+4+9=15 and addition of lower 2 numbers are =3+6=9so difference is =15-9=6 same way in question figure addition of upper 3 numbers are 12+5+3=20 and addition of lower 2 numbers are =4+6=10so difference is =20-10=10 so answer is 10 |
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