Downstream speed = x+y Upstream speed = x-y Speed = distance/time ∴ x+y = D/T .................... (i) x-y = D/3T .................... (ii) From (i) & (ii) 2x = D/T + D/3T 2x = (3D+D)/3T = 4D/3T x = 2D/3T and; y = D/T - 2D/3T = D/3T x/y = 2D/3T × 3T/D x/y = 2
What is the minimum possible number of chocolates a boy can buy, if there must be atleast one chocolate of each kind?
Quantity I. The shop has ...
Quantity I: A rectangular prism has a length of 10 cm, a width of 8 cm, and a height of 6 cm. What is the volume of the prism in cubic centimeters?
Quantity I: The ages of Anoop and Bhanu are in the ratio of 2:3. Five years from now, Bhanu's age will be 32 years. Chintu is 5...
Quantity I : Number of days the work is extended beyond normal days. A can do a piece of work in 100 days and B in 60 days. Both of them start working ...
Quantity-I: 'Arjun' and 'Bheem' are running on a circular track with a diameter of 'a' meters, at speeds of 25 m/s and 40 m/s, ...
The combined average workforce of sites 'P' and 'Q' is 70 workers. The total number of female workers at both sites is 60, with their distribution betwe...
Quantity I: The cash price of a notebook is Rs. 100 but is can also be purchased on 11 monthly equal instalments of Rs. 10 each. Find rate of S.I.?
Quantity I: The price of rice is decreased by 30%, by how much % the consumption is increase so that the expenditure will decreased by 10%?
Qu...
Quantity-I: ‘A’ and ‘B’ started a business by investing Rs. ‘x’ and Rs. 3,200, respectively. ‘A’ and ‘B’ invested their sum for 6 ...
What is the population of village A in 2021?
Quantity I: Population of village A in 2020 was 48,000 and it increased by 14% in 2021 over 2020.
