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The average of n numbers is 4. If a number x is added, the average increases to 7. Find x in terms of n. (1) n - 4(2) 2n + 7(3) 3n + 7(4) n + 21

1) 1

2) 2

3) 3

4) 4

The 4th and 7th term of an arithmetic progression are 11 and -4 respectively. What is the 15th term ?

A)-44 B)-39 C)-49 D)-34

If mini download three more songs in her mobile. she will have songs with 512MB in her mobile.If on an average each song is 4 MB,how many songs did she initially have in her phone before downloading?

Asked In: CTS 37 Minutes agoAdvertisements

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