Question

2. (iii) 3 is added to each
7. There are four series having equal terms with means as 7, 11, 16 and 26. Find resultant
mean if
(i) Sum of Ist and 2nd series is subtracted from sum of 3rd and 4th series. (Ans. 24)
(ii) If the sum of 1st and 3rd series is added to double of second term.
(Ans. 45)
(iii) If the sum of double of 2nd and three times of 1st is subtracted from 4 times of 3rd
term.(Ans. 21)
(iv) If one fourth of each term of 3rd series is added to double of 1st and then subtracted
from one half of 4th series' terms.
(Ans. -5) ​

Answer 1

Answer:

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