Q. If a Venn diagram shows that 20 elements are in 'A', 30 are in 'B', and 10 are in both A and B, what is the total number of elements in A or B?

यदि एक वेन आरेख दिखाता है कि 20 तत्व 'ए' में हैं, 30 तत्व 'बी' में हैं, और 10 तत्व ए और बी दोनों में हैं, तो ए या बी में तत्वों की कुल संख्या क्या है?

A
40
B
45
C
50
D
55

Explanation

Explanation will be available soon. Please stay tuned.

व्याख्या जल्द ही उपलब्ध होगी। कृपया बने रहें।

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