There were 600 students in a school. Each offered either English or Hindi or both. If 75% offered English and 45% Hindi, How many offered both?
Answer: 120
Explanation
n(A) = 75% of 600 = 450
n(B) = 45% of 600 = 270 and n(A ∪ B) = 600
∵ n(A∩B) = n (A) + n(B) - n(A∪B) = (450 + 270 - 600) = 120
This question appeared in
Past Papers (9 times)
ASF Inspector Past Papers (3 times)
FPSC 5 Years Past Papers Subject Wise (Solved With Details) (4 times)
FPSC Past Papers (2 times)
This question appeared in
Subjects (2 times)
MATHS MCQS (2 times)
Related MCQs
- In a class 3/4 of the students do not know either Hindi or English. 1/6 of the students know English and 1/8 of the students know Hindi. What part of the students know both English and Hindi?
- How many Takbeer are offered in Eid Prayer?
- When for the first time Nimaz-e-Kisoof was offered?
- Salat-e-Istasqa is offered on the occasion of?
- The Prayer offered during a lunar eclipse is……?
- Additional Takbeers are offered in which of the following prayer?
- Which two prayers are offered together at Muzdalifa on the 9th Zil-ul-Hajj?
- Salat e Khauf is offered during _______?
- Which Salaah (prayer) is offered during the time of war?
- Maghrib prayer is offered just after the ____
