Red chips all have the same value as one another, blue chips all have the same value as one another, and yellow chips also all have the same value as one another. If the value of a red chip plus a blue chip is 4.25, the value of a blue chip plus a yellow chip is 2.75, and the value of a red chip plus a blue chip plus a yellow chip is 4.5, what is the value of a red chip plus a yellow chip?
ক. 0.25
খ. 2
গ. 2.25
ঘ. None of these
উত্তর: 2
ব্যাখ্যা: i)R + B= 4.25, ii)B + Y = 2.75. iii) R + B + Y = 4.5 (iii)- (i) Y = 4.5-4.25 = 0.25 (iii) -(ii) → R =4.5-2.75 = 1.75 .. R + Y = 1.75 + 0.25 = 2
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