Subject
Bank Exam
Topic
এনআরবিসি ব্যাংক (টিএও) - ২৬.১০.২০২৪
A School has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics or English?
A School has a total of 90 students. There are 30 students taking Physics, 25 taking English, and 13 taking both. Approximately what percentage of the students is taking either Physics or English?
ক)
32%খ)
36%গ)
47%ঘ)
51%Explanation
আমরা জানি, n(A∪B) = n(A) + n(B) - n(A∩B) ⇒ n(A∪B) = 30 + 25 - 13 ⇒ n(A∪B) = 42 ∴ নির্ণেয় ছাত্র-ছাত্রীর সংখ্যা শতকরা = (42/90) × 100% = 46.67% = 47% (প্রায়)Related questions
Which of the following resembles MOCK : IMITATE?Which of the following countries is the closest competitor of Bangladesh in the global RMG business?Which of the following is the opposite of the word INHIBIT?1 kilogram is equal to-The term ALACRITY is same as-Qatar is located in-REPTILE is to LIZARD as FLOWER is to-Which of the following is the hardest rock?