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Start learning 50% faster. Sign in nowLet the Cost price and Selling price of the shirt be Rs. 4x and 5x respectively. According to the question, => 1.4 × 4x – 40 = 5x => x = 40/0.6 = 100 Therefore the cost price of the shirt = 4x = Rs.400
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 55 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average of the two numbers is 15, and the square root of their product is 12. What is the difference between the two numbers?
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 70 and lowest marks...
The average number of books sold by Viren in first 5 months is 3800 and in first 6 months is 4600. If the number of books sold by him in 7th ...
The average of first three numbers of a set of six numbers is 60 .The average of the second, third and fourth numbers is 20 and the average of the third...
Ajay on his birthday distributed on an average 9 toffees per student. If on the arrival of the teacher and the headmaster to whom Ajay gave 16 and 22 to...
The average of five numbers is 30. If one of the numbers is removed, the average becomes 25. What is the number that was removed?
The average of 25 numbers is 39.4. The average of the first 12 numbers is 36.5, and the average of the last 12 numbers is 40.5. Determine the value of t...
