Which number should replace the question mark?
Number puzzle 108
? 13 49
9 17 69
13 11 59
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Number Puzzle #108
(1 votes, average: 1.00 out of 5) (1 votes, average: 1.00 out of 5) (1 votes, average: 1.00 out of 5) (1 votes, average: 1.00 out of 5)
ans 5
(1) .. 9+17=26
26*2=52
52+17=69…
(2) 13+11=24
24*2=48
48+11= 59
we hav to find out x,13,49
so the eqn would be
(x+13)2+13 =49
2x + 26 +13 = 49
2x+39 = 49
2x=49-39
2x=10
x = 10/2 = 5
Or
17×3=51+9+9(2st number twice)=69
11×3=33+13+13=59
Same way 13×3=39+?+?=49
39+10=49
?=5
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Hello
you kidding