Joining The Corners With...?

Number Theory Level 1

What number fits into the question mark?

54 9 20 18

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Revanth Reddy by Revanth Reddy , 22, India

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3 solutions

Discussions for this problem are now closed

Hon Ming Rou
Aug 28, 2014

5 x 8 = 40

5 x 6 = 30

8 x 3 = 24

6 x 3 = 18

43 Helpful 2 Interesting 1 Brilliant 1 Confused

5 x 8 = 40

5 x 6 = 30

8 x 3 = 24

6 x 3 = 18

Wasim Khan - 6 years, 8 months ago

6x5=30] 5x8=40 8x3=24 3x6=18

Moustafa Abdou - 6 years, 8 months ago

(40-30)/2=5 (40-24)/2=8

Therefore,

(30-x)/2=6 and (24-x)/2=6

x=18

3 Helpful 1 Interesting 4 Brilliant 1 Confused
Reduan Rafi
Aug 30, 2014

its an easy problem .just multiply the numbers edge and will get the solution of the middle like 5 and 8 are two edge and the product is middle 40 . and the total solution is

5 x 8 = 40

5 x 6 = 30

8 x 3 = 24

6 x 3 = 18 the final middle

2 Helpful 0 Interesting 2 Brilliant 1 Confused

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