Karan obtains 10 more marks thanbhavana Bhavana. Isha obtain 5 less marks tha Bhavana. What is the marks of Karan if a three obtain total 140 marks? [JNV 201 (2) 45 (3) 50 (4) 55 (1) 40
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Answer:
let bhawnas marks be b
karans marks - b+10
isha's marks = b- 5
ATQ
b+(b+10)+(b-5)= 140
3b = 140-5
3b + 5 = 140
3b = 135
b = 135/3
b = 45
karans marks = b+10
= 45+10
= 55
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