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+1 vote
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in Arithmetic Progression by (53.5k points)

Read the passage and answer the following questions.

Two consecutive numbers from 1, 2, 3, .........,n are removed. The arithmetic mean of the remaining numbers is \(\frac{105}4\).

(i) The value of n lies in

(a) [45,55]

(b) [52,60]

(c) [41,49]

(d) None of these

(ii) The removed numbers

(a) lie between 10 and 20

(b) are greater than 10

(c) are less than 15

(d) none of these

(iii) Sum of all numbers

(a) exceeds 1600

(b) is less than 1500

(c) lies between 1300 and 1500

(d) none of these

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1 Answer

+1 vote
by (53.3k points)

(i) (a) [45,55]

(ii) (c) are less than 15

(iii) (b) is less than 1500

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