Question
Sushil can type 40 lines in 20 minutes but he leaves 8%
margin on each line. In how much time he will type 46 pages with 80 lines on each page in which he leaves 25% more margin than before?Solution
Capacity of Sushil = (40 lines)/(20 minutes) Γ 92% = 1.84 Now, 25% of 8 = 2 Margin % = (8 + 2) = 10% Required time = (80 Γ46 Γ90%)/1.84 = 1800 minutes = 30 hours
- If βAβ, βBβ and βCβ are in proportion in the given order while βAβ = 36 and βBβ = 72, then find the value of βCβ.
What is the mean proportion between 24 and 54?
There are 70 rupees in a box which contains coins of 1 rupee, 50 paise, and 25 paise. If the number of 50 paise coins is 2 times the number of 25 paise ...
Ratio between two numbers is 7:12 and their difference is 60. Find the sum of the given two numbers.
Monthly savings of βQβ is 20% more than that of βPβ and is 48% less than monthly income of βPβ. Monthly expenditure of βQβ is Rs. 4260 a...
A grandfather leaves Rs. 14,350 to be divided among 4 sons, 3 daughters and 3 grandson. If each daughter receives six times as much as each grandson and...
Three numbers A, B and C are in the ratio of 10 : 12 : 17. If sum of these numbers is 429, ratio between the difference of B and A and the difference of...
P, Q and R together started a business. Five times the investment of P equals six times the investment of Q and the capital of Q is twice that of R. Fin...
Find the third proportional to 13 and 52?
Ratio between two numbers is 5:7 and their difference is 36. Find the sum of the given two numbers.