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Start learning 50% faster. Sign in nowLet the rate of stream be x km/hr Then, Speed of downstream = `(25/2) + x` km/hr Speed of upstream = `(25/2) - x` km/hr (12.5 + x) = 3 (12.5 - x ) 12.5 + x = 37.5 - 3x 4x = 25 x = 6.25 km/hr
The numbers ‘A’, ‘B’ and ‘C’ are in the ratio 2:3:5. If the difference between the largest number ‘C’ and the smallest number ‘A’ is...
The ratio of the two numbers is 3:7. 120% of the first number is equal to the 60% of the second number. Find the sum of both the numbers.
The ratio of speeds of A and B is 3:4 and A takes 15 minutes more than B to reach the destination, how many hours will Be to reach the same place?
The monthly incomes of Vishal and Rahul are in the ratio 7:6. Their combined monthly income is Rs. 6500. Rahul's monthly savings are Rs. 1200, and Visha...
Two years ago the ratio of annual salary of three friends P, Q and R is 4 : 3 : 5. Every year since then the salary of P, Q and R increases by 10%, 12% ...
Three Partners Chandra, Shekhar and Azad invested in the ratio of 3/2, 2/3, 4/3 in a business. After 3 months Chandra decreased his capital by 50%. If t...
What must be added to each term of the ratio 3:7 so that it may equal to 4:5?
The ratio of P :Q is 3 : 5 and that of Q : R is 4 : 7. If P equals 2400, then what is the value of R?
A total amount of Rs. 1220 is to be divided between two friends, Ram and Ranjan, in the ratio (7/9):(11/12). What is the difference between the amounts ...
