Question
A is twice as efficient as B. Together they can complete
a work in 18 days. In how many days can A alone complete the work?Solution
ATQ, Let B’s 1-day work = x Then A’s 1-day work = 2x Together: 3x = 1/18 x = 1/54 So A’s rate = 2x = 2/54 = 1/27 Hence A alone takes 27 days.
Find the ratio of number of mobile phones sold by shopkeeper C to that by shopkeeper E.
What is the ratio of the number of Refrigerators in the Store C to the number of Refrigerators in the Store D?
What is the average number of males working in department D and E together?
If city D sell only white color and grey color automatic cars in the ratio of 17:13 respectively, then find the difference between the number of white c...
Number of HIMALAYA moisturizers sold on Tuesday is how much percent less than the number of HIMALAYA moisturizers sold on Thursday?
Find the difference between the number of bags sold by shop A throughout the week and the number of bags sold by shop C throughout the week.
Find the ratio between the total number smart watch manufactured by Fire-Boltt in July to the total number smart watch manufactured by Noise in August.
What is the ratio between number of mobile phones sold by shops B and D together to the total number of items sold by shop E?
Table given below shows the number of Fruits sold by different Fruits sellers.
The savings of D is approximately how much percent of the Income of B?
Relevant for Exams:
