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An arithmetic progression has 500 terms. The nth term from the beginning and nth term from the end are 13 and 987...
Solution
Sum of all the terms = (500/2) × (13 + 987)= 250 × 1000= 250000
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Sum of an Arithmetic series which consists of N terms and whose nth term from the beginning is A and nth term from the...
Rearrange the following five sentences (A), (B), (C), (D) and (E) in the proper sequence to form a paragraph ; then answer the questions on basis of them. (A) A small wooden nest box is all it has taken to rekindle all the romance of bringing sparrows and other birds back into our cities and halt themfrom fading into the past like a forgotten folktale. (B) There is something wrong with a…
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