Sun	Mon	Tue	Wed	Thu	Fri	Sat
27	28	29	30	1	2	3
4	5	6	7	8	9	10
11	12	13	14	15	16	17
18	19	20	21	22	23	24
25	26	27	28	29	30	31
1	2	3	4	5	6	7

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Multiple Choice Questions

Three numbers a b and c are said to be in continued proportion if a b b c What number must be added ...........

Quantitative Aptitude (MTS) Ratio, Proportion

Three numbers, a, b, and c are said to be in continued proportion if a : b : : b : c. What number must be added to each of the numbers 1, 7 and 25 so that the resulting sums, in that order, may be in continued proportion?

This questions was previously asked in

SSC MTS 14th July 2022 Shift-3

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Explanation:

Correct Option is 1: 2

let x is added to each number
(1 + x)/(7 + x) = (7 + x)/(25 + x)
= (1 + x) (25 + x) = (7 + x) (7 + x)
⇒25 + 25x + x + x² = 49 + 14x + x²
⇒ 12x = 24
⇒x=2

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