If all other data remains same how many cinema artists who are not proficient in any of these three ...........

Quantitative Aptitude (PCS) Case Studies

Directions (Q. No. 5 – 6) : These questions are based on the information and diagram given below :
A survey was conducted on a sample of 500 cinema artists with reference to their proficiency in the skill of acting, singing and dancing. The results of the survey are
depicted in the given Venn diagram.

If all other data remains same, how many cinema artists who are not proficient in any of these three skills should become proficient in all three, so that the above said ratio between

number of cine-artists who are not proficient in any of these three skills (X₀) to those who are proficient in all three (X₃) should now become X₀ : X₃ = 1 : 4 ?

This questions was previously asked in

PCS Previous year General Studies paper 2020 (CSAT)

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