Question
A shopkeeper purchases two mobile phones for a total of
Rs. 750. He sells the first mobile at a 20% profit and the second mobile at a 20% loss. If the selling price of both mobile phones is the same, what is the cost price of the first mobile phone?Solution
Let the cost price of 1st mobile phone be Rs. ‘x’. Then, cost price of 2nd mobile phone = Rs. (750 – x) x × 120% = (750 – x) × 80% 120x = 60000 – 80x 120x + 80x = 60000 200x = 60000 x = 300 So, cost price of 1st mobile phone = Rs. 300
For an integer n, n!=n.(n-1).(n-2). ... 3.2 .1. Then 1! +2!+3!+...+ 100! when divided by 5 leaves remainder _________.
If A is the son of Q, Q and Y are sisters, Z, is the mother of Y, P is the son of Z, then which of the following statements is correct?
Find the next term of the sequence 1, 8, 4, 27, 9, ......
Three statements in this question and three related conclusions have been given to them, assuming the truth of the story of truth is to decide which co...
Identify the figure given in the options which when put in place of? will logically complete the series.
Select the figure that will replace the question mark (?) in the following figure series.
Shown below are two different positions of the same dice, whose six faces are marked with numbers from 1 to 6. Select the number which will be on the fa...
Read the given statements and conclusions carefully. You have to take the given statements to be true even if they seem to be at variance from commonly ...
Three statements are given, followed by three conclusions numbered I, II and III.
Assuming the statements to be true, even if they seem to be at ...
The first two words are related in a certain way. Choose the correct option to replace the question mark ‘(?)’ having the same relationship with the...
Relevant for Exams:
