Question

200 student of commerce stream of a higher secondary School cast their votes in an election out of 200 students 20% were girls the number of standard 11th and 12th are equal 10% of votes war were declared invalid the proportional of valid vote cast in standard 11th and 12th was 7 Rayes to 8 which 4t girl war of standard 11th and 38 world war of 12th the number of invalid votes in case of boys and girls of standard 12 volt equal present in tabular form​

Answer 1

Step-by-step explanation:

• First of all, kindly learn to use period (.)
• 200 students, 20% girls = 40 girls
• Invalid votes: 10% of 200 = 20, valid votes?... 180
• Ratio has been given: 7:8
• Valid votes 11th std.: 84
• Valid votes 12th std.: 96
• I am unable understand your full question... Please ask it carefully...