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A class consists of boys and girls in the ratio of 2:3. If the ratio of boys and girls who play hockey is 5:9, and the number of boys as well as girls who don't play hockey is 1500 each, find the total number of students.

A10,000

B8000

C11,000

D5000

Answer:

A. 10,000

Read Explanation:

Let the number of boys = 2x and girls = 3x Boys who play hockey = 2x – 1500 girls who play hockey = 3x -1500 (2x – 1500)/(3x – 1500) = 5/9 x = 2000 Total number of Students = 2x + 3x = 5x = 10,000


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രണ്ടു സംഖ്യകൾ 2:3 എന്ന അനുപാതത്തിലാണ്. ഇവയിൽ ഓരോന്നിൽ നിന്നും 5 കുറച്ചാൽ അവ 3 : 5 എന്ന അനുപാതത്തിൽ ആവും. എങ്കിൽ ആദ്യത്തെ സംഖ്യ കണ്ടെത്തുക