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Diamond's extreme hardness is due to its tetrahedral lattice structure, where each carbon atom is bonded to four others in a three-dimensional network, providing unmatched hardness and durability.
The average marks scored by 32 boys and 38 girls are 70 and 92 respectively. Find the average marks scored by all the students together. (Answer should ...
The average height of each person in group 'K' having 22 people is 14 cm less than the average height of each person in group 'L' having 18 people. If t...
There are 15 numbers such that average of first 12 numbers is 50 while the average of last five numbers is 60. Find the 12th number, if the ratio betwee...
The average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose ...
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....
There are 15 natural numbers whose average is 30.6. The average of the first 8 numbers is 28, and the average of the last 8 numbers is 33. Find the eigh...
The average age of a class of 25 girls is 20 years. If 7 new girls having average age of 12 years join the class, then the average age of the class beco...
The volume of cone is 2695 cm3. If its height is 2.1 cm then find the radius of the cone.
