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Denatured ethyl alcohol - For the Chemical industry
The average of 16 numbers is 37. If 3 is added to each number, then the new average will be:
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...
The average of twelve numbers is 45.5. The average of the first four numbers is 41.5 and that of the next five numbers is 48. The 10th number...
20 students go for a picnic. 10 of them spent Rs. 64 each on their food and rest spent Rs.4 more than the average expenditure of all 20. What was the to...
The batting average for 27 innings of a cricket player is 48 runs. His highest score in an innings exceeds his lowest score by 157 runs. If these two in...
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 65 and lowest marks...
The average of 10 observations is 46. It was realized later that an observation was misread as 42 in place of 142. The correct average is:
Average of four numbers is 27. Sum of smallest and largest number is 56. If difference between other two numbers is 2, then find the square of second sm...
Average age of A, B and C is 20 years. Average age of B and C was 12 years when A was born. If B is 21 years old, then, find the age of C, 6 years hence.
Average of four consecutive prime numbers Q1, Q2, Q3, and Q4 is (15 + x). If the average of Q1 and Q2 is (11 + x) and the average of Q3 and Q4 is (11 + ...
