Challenger App

No.1 PSC Learning App

1M+ Downloads
In a class of 50 students one who weighs 40 kg leaves the school and in his place a new student is admitted. Now the average weight of the class is reduced by 100 grams. Find the weight of the new student.

A35 kg

B28 kg

C25 kg

D21 kg

Answer:

A. 35 kg

Read Explanation:

Total weight reduced = 100 x 50 - 5000 g = 5 kg Weight of new student = 40 - 5 = 35 kg


Related Questions:

The average of 11 numbers is 40. The average of first five numbers is 45 and that of last five numbers is 38. Then find the sixth number?
The sum of five numbers is 655. The average of the first two numbers is 76 and the third number is 105. Find the average of the remaining two numbers?
Four years ago average age of A and B was 18 years now the average age of A,B and C are 24 yrs then after 8 yrs age of C will be ?
a , 1/a എന്നിവയുടെ ശരാശരി M ആണ് . എങ്കിൽ താഴെപ്പറയുന്നവയിൽ a², 1/a² എന്നിവയുടെ ശരാശരി ഏതാണ് ?
10 സംഖ്യകളുടെ ശരാശരി 20 ആയാൽ ഓരോസംഖ്യയുടെയും കൂടെ 2 ഗുണിച്ചാൽ പുതിയ ശരാശരി എത്ര?