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Start learning 50% faster. Sign in nowTotal distance travelled by train M = (2x – 35) m Total distance travelled by train N = (x + 35 + x – 35) = 2x m According to question, => (2x – 35)/28 = 2x/32 => 64x – 1120 = 56x => 8x = 1120 => x = 140 m
Average of 8 numbers is 70. If average of first four and last two numbers is 90 and 50, respectively then find the fifth number given that ratio of fift...
Amit achieved a score of 28% in an exam but fell short by 42 points to pass. Rahul, on the other hand, secured 41% in the same test and exceeded the pas...
The average age of three children in a family is 35% of the average of the age of father and the eldest child. The total age of the mother and the young...
The average price of two laptops, namely 'D' and 'E' is Rs. 65,500 whereas the average price of laptops 'E' and 'F' is Rs. 70,000. If the average price ...
The average of the present ages of Arun, Mohan, and Deepak together is 30 years. Five years from now, the sum of the ages of Mohan and Deepak will be 66...
Find the average of the following set scores. 450, 1050, 12, 390, 143, 286, 550, 999
The average weight of x persons is 33 kg. The average weight of (x−16) women is 45 kg, the average weight of (x−30) children ...
