Question
______ is the only country which grows all the four
species of cultivated cotton i.e. Gossypium arboreum and G. herbaceum (Asiatic cotton), G. barbadense (Egyptian cotton) and G. hirsutum (American upland cotton) besides hybrid cotton.Solution
In India all the four species of cultivated cotton are grown.
The average of 19 numbers is 16.The average of first 9 numbers is 13 and that of the last 9 numbers is 15. What will be the 10th number?
The average of two numbers ‘K’ and ‘L’ is 480 such that they are in the ratio 3:5 respectively. Another number ‘M’ is 120 more than ‘L’ ...
The average weight of a group of five persons, A, B, C, D, and E is 62 kg. If another person K joins the group then the average weight of the group is d...
Average of A, B and C is 30 and that of C, D and E is 19. The average of A and E is 23 and that of B and E is 24. Find the value ...
Average age of a class of 33 students is 14 years. Average age of the class is increased by 18 months if the age of the teacher is included. Find the ag...
The average age of a class of 20 girls is 12 years. If 4 new girls having average age of 9 years join the class, then the average age of the class becomes:
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.
The base of a right pyramid is a square of side 10 cm. If its height is 10 cm. then the area (in cm2) of its lateral surface is:
Each side of a rhombus is 20cm long and the length of one of its diagonals is 24cm, then find the area of the rhombus.
The average weight of (n + 1) girls is 50 kg, and the average weight of (n - 3) boys is 70 kg. If the overall average weight is 62 kg, how many boys are...
