Question
Antibiotics tend to
be:Solution
Antibiotics (e.g., penicillin) are secondary metabolites, produced in stationary phase for ecological competition, not growth (unlike primary metabolites like ATP).
Four numbers are arranged in ascending order. When the first two numbers are increased by the number equal to their position, and the last two numbers i...
The average mark obtained by 160 candidates in a certain examination is 60. If the average marks of passed candidates are 65 and that of the failed cand...
Average run scored by a batsman in first ‘x’ matches is 20. In next 5 matches he scored runs with an average of 60 so that his overall average incre...
In a school, 30 boys scored an average of 76 marks while 40 girls scored an average of 88 marks. What is the average marks of all students together? (Ro...
The average cost price of 21 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.55. ...
The average of the first 10 numbers is 'x+20', the average of the next 14 numbers is 'x', and the average of the remaining 16 numbers is 'x−30'. If th...
A gift box has 10 bangles. The average weight of the first 4 bangles is 56gms and the average weight of the remaining 6 bangles is 57 gms. Tell the aver...
In a classroom, the combined average age of all students and their teacher is 17 years. The average age of the boys in the class is 13 years. If the tea...
- There are three distinct numbers ‘d’, ‘e’ and ‘f’. If, d = 120, (d + e) = 420 and (f – e) = 60, then find the average of d, e and f.
The average height of each student in a class of 15 students is 160 cm. If 6 new students joined the class, then the average height of the each student ...
