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Cell membrane is the outermost membrane present in animal cells whereas, plant cell consists of cell wall as well as plasma membrane. Plant cells have a cell wall, as well as a cell membrane. In plants, the cell wall surrounds the cell membrane.
Average of four numbers is 20. Sum of smallest and largest number is 50. If difference between other two numbers is 2, then find the square of second sm...
In a school with 400 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
The average number of books on history, polity and geography in a library is 190, and the average number of books on history and geography is 160. If th...
The average of 19 numbers is 15.The average of first 9 numbers are12 and that of the last 9 numbers are15. What will be the 19th number?
The average of five even numbers is 38. If we replace two of these even numbers, 88 and 92, with a single even number X, the new average decreases by 4....
The average cost of 3 chairs is Rs. 9500. The average cost decrease by 15% when one more chair is included. What is the cost price of the 4th...
The average age of a group of 10 students is 20 years. Two persons of age 25 years and 20 years, left the group and 2 persons of age 26 years and...
The average salary of all males and females in an office is Rs.16000 and the total number of females in the office is 16. If the average salaries of mal...
The average cost price of 14 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.80. ...
The average of the present ages of Arun, Mohan, and Deepak together is 30 years. Five years from now, the sum of the ages of Mohan and Deepak will be 66...
