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Start learning 50% faster. Sign in nowAverage speed of whole journey = 75 km/hr Using the formula, average speed = 2xy/(x + y) x = speed of first 130 km = 50 km/hr 75 = 2 x (50 x y)/(50 + y) = 150 km/hr
The average age of A and B is 18 years. If A is to be replaced by C, the average would be 17 years. The average age of C and A is 19 years. Find the age...
The average price of two mobile phones, namely 'P' and 'Q' is Rs. 15,600 whereas the average price of phones 'Q' and 'R' is Rs. 1...
In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is ...
In a company, the average number of employees named Amit and Chinky is 25. The number of Chinky's name employees is 50% higher than the number of Amit's...
The average weight of 20 boys is 48 kg. However, the weights of three boys, originally 46 kg, 44 kg, and 38 kg, were incorrectly ...
The average of all prime numbers between 32 and 69 is.
The average score of 70 candidates in the SBI PO exam is 40. If the candidates who passed have an average score of 49, while thos...
The average score of a class of boys and girls in examination is X. The ratio of boys and girls in the class is 4:3. If the average score of the boys (X...
In a cricket match the captain of one of a team scored 25 runs more than the average runs scored by the remaining 8 batsmen of that team who batted in t...
