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
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The sum of five numbers is 655. The average of the first two numbers is 78 and the third number is 103. Find the average of the remaining two numbers?
നാല് സംഖ്യകളുടെ ശരാശരി 10 ആണ്. 5, 9 എന്നീ സംഖ്യകൾ കൂടി ഉൾപ്പെടുത്തിയാൽ പുതിയ ശരാശരി എത്ര?
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ആദ്യത്തെ 80 ഒറ്റസംഖ്യകളുടെ ശരാശരി എത്ര?