Question
When male flowers are borne on one plant and female
flower on a different plant the species isSolution
When male flowers are borne on one plant and female flower on a different plant the species is Dioecious
If average weight of a class is ‘y’ kg. If a new student weighing 21 kg took admission, then the average weight is increases by 1 kg. If the...
Average present age of 'A', 'B' and 'C' is 25 years whereas average present age of 'A', 'B', 'C' and 'D' is 27 years. Three years hence from now, ratio ...
The average age of a class of 20 girls is 16 years. If 4 new girls having average age of 10 years join the class, then the average age of the class beco...
The average age of A and B is 22 years. If A is to be replaced by C, the average would be 20 years. The average age of C and A is 23 years. Find the age...
The average score of 10 students in a test is 85. If the average of the top 4 scores is 92.5, what is the average score of the other 6 students?
The average weight of ‘x’ group members is 56 kg. The average weight of (x – 18) women is 55 kg, of (x – 20) children is 50 kg, and of (x – 22...
The average age of a group of 10 students is 30 years. Two persons of age 25 years and 30 years, left the group and 2 persons of age 54 years and...
The average age of a class of 24 girls is 16 years. If 6 new girls having average age of 12 years join the class, then the average age of the class beco...
The average of 18 numbers is 40, and the average of the first 9 numbers is 45. Find the average of the remaining 9 numbers.
- There are three distinct numbers ‘x’, ‘y’ and ‘z’. If, x = 180, (x + y) = 480 and (z – y) = 60, then find the average of x, y and z.
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