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QUESTION OF THE DAY | 03-JAN-2019
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Que :In a group of 40 students 40% are girls. Rohan is 15th in the list of boys. Reena’s place is just below that of Rohan and 75% of girls are below Reena. What is Reena’s place from below?
40 छात्रों के समूह में 40% लड़कियां हैं। रोहन लड़कों की सूची में 15 वें स्थान पर है। रीना का स्थान रोहन से नीचे है और 75% लड़कियां रीना से नीचे हैं। नीचे से रीना का स्थान क्या है?
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Answer 1

reena place is 22nd from Below

Step-by-step explanation:

a group of 40 students

40% are girls

=> Girls are = (40/100) 40  = 16

Boys are = 40 - 16 = 24

Rohan is 15th in the list of boys

=> 24 - 15 = 9  Boys are after Rohan

=> 9 boys are below Reena   ( as Reena’s place is just below that of Rohan )

75% of girls are below Reena.

=> (75/100)* 16  =  12 Girls

12 Girls below reena

Hence 9 boys & 12 Girls are below Reena

9 + 12 =  21  Below reena

Hence reena place is 22nd from Below

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