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Question
In a certain school , 40% of the students are boys . If 20% of the boys and 10% of the girls went on a field trip, what percentage of the total students went to the field trip?
12%
14%
15%
30%
None of these
ANSWER : 2
Descrption
<p class = "text - justify" style = "box - sizing: border - box; margin - top: 0px; margin - bottom: 1rem; font - size: 1.1em; line - height: 1.7em; font - family: bangla, sans - serif; color: #212529; background - color: #ffffff; text - align: justify !important;"><span style = "box - sizing: border - box; font - size: 18px;">Boys = 40% of the students</span></p> <p class = "text - justify" style = "box - sizing: border - box; margin - top: 0px; margin - bottom: 1rem; font - size: 1.1em; line - height: 1.7em; font - family: bangla, sans - serif; color: #212529; background - color: #ffffff; text - align: justify !important;"><span style = "box - sizing: border - box; font - size: 18px;">Girls = 100 - 40 = 60% </span><span style = "font - size: 18px;">of the students</span></p> <p class = "text - justify" style = "box - sizing: border - box; margin - top: 0px; margin - bottom: 1rem; font - size: 1.1em; line - height: 1.7em; font - family: bangla, sans - serif; color: #212529; background - color: #ffffff; text - align: justify !important;"><span style = "box - sizing: border - box; font - size: 18px;">Boys went to the field trip = 20% of 40% of students = 20/100 of 40% of students = 8%</span></p> <p class = "text - justify" style = "box - sizing: border - box; margin - top: 0px; margin - bottom: 1rem; font - size: 1.1em; line - height: 1.7em; font - family: bangla, sans - serif; color: #212529; background - color: #ffffff; text - align: justify !important;"><span style = "box - sizing: border - box; font - size: 18px;">Girls went to the field trip = 1</span><span style = "font - size: 18px;">0% of 60% of students = 10/100 of 60% of students = 6%</span></p> <p class = "text - justify" style = "box - sizing: border - box; margin - top: 0px; margin - bottom: 1rem; font - size: 1.1em; line - height: 1.7em; font - family: bangla, sans - serif; color: #212529; background - color: #ffffff; text - align: justify !important;"><span style = "font - size: 18px;">Total students went to the field trip = 8% + 6% = <strong>14%</strong></span></p>
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