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Anhydrous ammonia is a fertilizer with highest nitrogen content of 82 %.
The average age of a class of 24 girls is 15 years. If 6 new girls having average age of 10 years join the class, then the average age of the class beco...
60% of 3840 +? + 30% of 4380 = 40% of 8340 + 10% of 3480
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...
In a classroom, there are 24 male students and 16 female students. The male students have an average age of 16 years, while the female students average ...
The average number of taxis of three colours (black, white and yellow) in a taxi stand is 144. The number of black taxis is 30 more than that of yellow ...
In an examination the average marks of Rohit is 60. If he got 21 more marks in science and 35 more marks in maths then his average would have been 68. F...
The average of five even numbers is 66. If we replace two of these even numbers, 84 and 92, with a single even number X, the new average decreases by 4....
The average age of 6 sisters is 30 yr. If the age of the youngest sister be 5 yr. What was the average age of the group of sister just before the birth ...
The average of 17 numbers is 48. The average of first 9 numbers is 45 and average of next 9 numbers is 52. If 9th number is excluded, then th...
