alleryആകെ മൂന്ന് പേയ്മെൻ്റുകൾ ₹225; ഓരോന്നും മുമ്പത്തേതിനേക്കാൾ ₹15 ആണ്. ആദ്യ പേയ്മെൻ്റ്?
A₹65
B₹60
C₹70
D₹75
Answer & Solution
Correct answer: B. ₹60
പേയ്മെൻ്റുകൾ x, x + 15, x + 30 എന്നിങ്ങനെ എഴുതുന്നത് 3x + 45 = 225 നൽകുന്നു, അതിനാൽ x = ₹60.
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