Question
Which of the following can be a Pre-Paid Instrument
(PPI)? i. Smart Card ii. Mobile Wallet iii.Internet accountsSolution
Prepaid payment instruments are methods that facilitate purchase of goods and services against the value stored on such instruments. The prepaid instruments can be issued as smart cards, magnetic stripe cards, internet accounts, online wallets, mobile accounts, mobile wallets, paper vouchers and any such instruments used to access the prepaid amount.
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The mean age of 30 students was calculated as 15 years. However, it was later discovered that one student's age was mistakenly entered as 15 years inste...
If a + b + c = 15 and ab + bc + ca = 50, then find the value of a² + b² + c².
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If, 4x + y = 10, and 2xy = 8, and 4x > y, then find the value of 64x³ – y³.
If a + b + c = 12 and ab + bc + ca = 30, then find the value of a² + b² + c².
If x4 + x - 4 = 47 then find the value of (x + x-1).
If (10 a³ + 4b³): (11a³ — 15b³) = 7:5, then (3a + 5b): (9a - 2b) = ?
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