Question
Which of the following is an essential constituent of
plant cell-wall?Solution
Cell wall of bacteria and plants is made up of cellulose.
The average weight of 12 students in a dance class is 45 kg. If the weight of 3 instructors is also included, then the new average weight of each person...
Class 'P' has a total of 160 students. The ratio of girls to boys in this class is 2:6. The average number of boys in classes 'P' and 'Q' is 180, and th...
The average salary of A, B and C is Rs. 22000 while average salary of B, C and D is Rs. 25000. If the average salary of D be 2 times of that of A, then...
The average speed of a vehicle for a certain number of hours is 48 km/hr. If the vehicle travels 120 km in the next hour, the average increases by 2 km/...
If the average of 13 different numbers is 15, and if all the numbers are positive integers then what is the largest possible value of the average of the...
The average number of books on history, polity and geography in a library is 140, and the average number of books on history and geography is 150. If th...
Three natural numbers are given. If sum of average of any two numbers and the remaining third number is 56, 46 and 50 respectively, then find the sum o...
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...
Three numbers are given such that when the average of any two numbers is added to the third number, the resulting sums are 450, 420, and 400. Determine ...
- The average of three numbers is 66. When three more numbers are included, the average increases by 6. Find the average of the numbers included.
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