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Tumne Shi Kia Omaru Chan ♥

The first and last terms of an AP are 7 and 49 respectively. If sum of all terms is 420, fin

By Eva

Tumne Shi Kia Omaru Chan ♥

The first and last terms of an AP are 7 and 49 respectively. If sum of all terms is 420, find its common difference.​

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Eva

If ABC~ PQR and AB : PQ=3.4 then A( ABC) :( PQR). A) 9:25 B) 9:16 C) 16:9 D) 25:9.​

7. The enrolment in a school during five
consecutive years was as follows:
2455, 1720, 1635, 2440, 2802.
Find the m

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