1.

Q: It costs Rs. p each to send the first thousand messsages and Rs. q to send each subsequent one . If r is greater than 1,000, how many Rupees will it cost to send r messages ?

A. 1000 (r - p) + pq
B. 1000 p + qr
C. 1000 (r - q) + pr
D. 1000(p - q) + qr
Answer» E.


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