Salma's average in four tests is 80%. What mark does she need score in her fifth test to make her average 84%?

এ সম্পর্কিত আরো প্রশ্ন দেখুন

• Average of P numbers is x and average of N numbers is y. Find the average of all of the numbers.
• The average of 6 number is 8.5, when one number is discarded the average of the remaining numbers becomes 7.2. What is the discarded number?
• The average weight for a group of 20 women is 130 pounds. If the average weight for 75% of these women was 140 pounds, what was the average weight in pounds for the rest of the women?
• The average of a, b, c is 6 and a - b = 4, ab = 21, what is the value of c?
• When a student weighting 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students?

Subject

গণিত

Topic

Statistics and Average

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