Latest Elitmus Aptitude Question SOLUTION: average weight of 20 boys and 15 girls in a class is 29 kg and 22 kg respectively.find the average weight of all the students in the class.

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(#M40155443) ELITMUS Numerical Ability question ss Keep an EYE

average weight of 20 boys and 15 girls in a class is 29 kg and 22 kg respectively.find the average weight of all the students in the class.

Asked In Elitmus MohanRaj (8 years ago)

Unsolved Read Solution (8)

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Read Solution (8) :

varun dev  (8 years ago)

totl wght of boy's=20*29=580
simrlly girls=15*22
totl ave=(totlboywght+tolgirlwght)/tole no of boys and gils
26 kg

Is this solution Helpfull? Yes (22) | No   

N K jain  (8 years ago)

average weight of 20 boys are = 20*29=580
average weight of 15 girls are= 15*22=330
The total average weight of all students =total average weight /number of students
=( 580+330)/(15+20)
=910/35
=26 is answere

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Shashank Gupta  (8 years ago)

910/35=26 but this Question is not of elitmus level

Is this solution Helpfull? Yes (4) | No   

ayushi  (8 years ago)

sum of weights of boys/no of boys= average weight
sum of weight for boys=20*29=580
sum of weight for girls=15*22
avergaw weight of all students=(580+330)/35=26ans

Is this solution Helpfull? Yes (2) | No   

neha mittal  (8 years ago)

(29+22)/2=25.5

Is this solution Helpfull? Yes (1) | No (14)  

srinivas  (8 years ago)

What is the probability of finding a four digit perfect square number .. Solution please

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puja  (8 years ago)

ans is 26kg

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Deepak Pandey  (8 years ago)

Total weight of 20 boys = 20*29=580
Total weight of 15 girls= 15*22=330
Average weight=(Total weight of boys+Total weight of girls)/Total student
(580+330)/35
=26Ans

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