I
iTeachChem11mo ago
deus

11th ch-set

Another doubt need help
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iTeachChem Helper
@Apu
iTeachChem Helper
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ChaiEnjoyer
ChaiEnjoyer11mo ago
The question is cutoff send the whole picture
deus
deusOP11mo ago
Q27 @Chai Enjoyer
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Deleted User
Deleted User11mo ago
n(A)+n(B)-n(A×B) 29 h kya ans?
deus
deusOP11mo ago
ha but kese aya?
Deleted User
Deleted User11mo ago
Usse Why are u preparing for mains?
Jiya
Jiya11mo ago
no of multiples of 2+ no of multiples of 7 - no of multiples of 14 between 1 to 50 simply divide 50/2 therefore 25 numbers divisible by 2, 50/7 therefore 7 numbers divisible by 7. 50/14= 3 nos divisible by both. therefore 25+7-3=29 elements. we are remving nos divisible by 14 because they will be added twice already( since 2 and 7 are factors)
deus
deusOP11mo ago
abhi abhi 11th me aya hu strting mains se kar raha hu phir advance pe jaunga
Deleted User
Deleted User11mo ago
Alr alr i thought 2024 lol
deus
deusOP11mo ago
+solved @Jiya
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