The average of four numbers is 25. If three numbers are 20, 27 and 28, what is the fourth number?

Keep practicing — related questions

• Among 12 numbers, average of the first 4 numbers is 25, average of the next 4 numbers is 30 and average of ...
• Out of three numbers, the first is 16 times the second and 4 times the third. If the average of all the thr...
• Zenith Ltd. purchased furniture from Divesh for Rs. 2,20,000. 25% of the amount due was paid by cash and ba...
• The average of 15 numbers is 26.2. If the average of first 8 numbers is 27.875 and the average of last 8 nu...
• The average salary of 25 teachers is Rs. 6050 per month. Five teachers leave the school and the average sal...
• The average marks of 22 students in section A of class 9 are 52, that of 23 students of section B are 50 an...
• The ratio of three numbers is 2 : 5 : 3. If their HCF is 9, then find the LCM of these numbers.
• In which of the following numbers, the digits cannot be rearranged to get another four digit number?