Challenger App

No.1 PSC Learning App

1M+ Downloads
In a class of 30 children 40% are girls. How many more girls coming to this class would make them 50% ?

A4

B3

C8

D6

Answer:

D. 6

Read Explanation:

Total students = 30 Girls = 40% of 30 = 12 Boys = 30 - 12 = 18 When 6 more girls coming to the class , num of girls = 18 That is equal to 50% of total strength of the class Total strength will be 36 (18 boys + 18 girls)


Related Questions:

Two students appeared for an examination. One of them got 9 marks more than the other. His marks was also equal to 56% of the sum of their marks. What are their marks?
A യുടെ 75% = B യുടെ 25% , B =A യുടെ X% . X ൻ്റെ വില കണ്ടെത്തുക.
200 ന്റെ 10 ശതമാനം എത്ര?
ഒരു ഗ്രൂപ്പിൽ 400 ആളുകൾ ഉണ്ട്. അതിൽ 250 പേർ ഹിന്ദി സംസാരിയ്ക്കും. 200 പേർ ഇംഗ്ലീഷ് സംസാരിക്കും, എത്രപേർക്ക് രണ്ട് ഭാഷയും സംസാരിക്കാൻ കഴിയും ?
A school organized a field trip for 100 students and 10 chaperones. Each student was given a snack pack containing items equal to 15% of the total number of students. Each chaperone received a snack pack with items equal to 25% of the total number of students. How many snack items were distributed in total?