Latest self Aptitude Question SOLUTION: If three numbers are added in pairs, the sums equal 10, 19 and 21. Find the numbers

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(#M40009346) SELF question Keep an EYE

If three numbers are added in pairs, the sums equal 10, 19 and 21. Find the numbers

Flower (12 years ago)

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Pargat Pal Singh  (12 years ago)

15,6,4.

If nos are x,y,z, then
2*(x+y+z) = 10+19+21 =50
x+y+z=25.

then nos are (25-10), (25-19), (25-21) or 15,6,4.

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Kanimozhi  (9 years ago)

Let the numbers be x, y and z. Then,

x+ y = 10 ...(i) y + z = 19 ...(ii) x + z = 21 …(iii)

Adding (i),(ii)and(iii),we get: 2 (x + y + z ) = 50 or (x + y + z) = 25.

Thus, x= (25 - 19) = 6; y = (25 - 21) = 4; z = (25 - 10) = 15.

Hence, the required numbers are 6, 4 and 15.

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