Question
A shopkeeper marks up the price of an article by 50% and
offers two successive discounts of 20% and 15% and gain ₹80, then find the cost price of the article?Solution
Let the cost price of the article be 100x MRP = 150x The price after the first discount of 20% = 150x × (1 − 0.20) = 150x × 0.80 = 120x The price after the second discount of 15% = 120x × (1 − 0.15) = 120x × 0.85 = ₹102x profit = 120x-102x = 80 2x = 80 Cost price = 100x = 4000 Correct answer: d
‘X’ and ‘Y’ together can complete a work in 16 days, while ‘Y’ and ‘Z’ together can complete the work in 10 days. If ‘Y’ takes 20 da...
'X' and 'Y' can complete a certain job together in 36 days. They worked together for 20 days, after which 'X' left, and 'Y' completed the remaining work...
P and Q can do a piece of work in 20 days and 12 respectively, P started the work alone and then after 4 days Q joined him till the completion of the wo...
Working alone, B can complete the work in 30 days. C is twice as efficient as B and A takes 20 days more than it takes C to complete the work. Working t...
'A' can complete a certain task in 60 days, while 'B' can do the same in 45 days. 'A' starts the task and works alone for 18 days, after which 'B' joins...
A group of 3 men and 5 women can finish a task in 12 days, while another group of 5 men and 3 women can complete the same task in 9 days. If one man and...
33 men can complete 3/5 part of a work in 8 days working 9 hours a day. How many women can complete rest of the work if they work for 6 hours a day for ...
'A' alone can finish a job in 12 days. If 'A' is twice as efficient as 'B' who is 20% as efficient as 'C', then find the time taken to finish the job if...
A and B can complete a work together in 36 days. If A alone can complete one-fourth of the work in ‘x’ days and remaining work is completed ...
Aman finishes 2/5 of a task in 8 days, while Bhanu completes the entire task in 16 days. How long will it take for both Aman and Bhanu, working together...