CBSE Class 10 Maths (Standard) 2024 · Paper 30/3/1 · Question 16
The mean of five observations is . If the mean of first three observations is and that of the last three observations is , then the third observation is
- (a)20
- (b)19
- (c)18
- (d)17
Answer
(c) 18
🔒 Step-by-step solution
Sign up free to see every step of how it is worked out.
From the board paper
More questions from Statistics
Class 10 Maths — every question with an expert-verified, step-by-step solution.
- Q1 A survey was conducted by a group of students as a part of their e…
- Q2 Consider the following distribution of daily wages of 50 workers of…
- Q3 The following distribution shows the daily pocket allowance of chi…
- Q4 Thirty women were examined in a hospital by a doctor and the num…
- Q5 In a retail market, fruit vendors were selling mangoes kept in packin…
- Q6 The following data gives the distribution of total monthly househol…
- Q7 To find out the concentration of SO₂ in the air (in parts per milli…
- Q8 A class teacher has the following absentee record of 40 students…
- Q9 The following table gives the literacy rate (in percentage) of 35…
- Q1 The following table shows the ages of the patients admitted in a ho…
- Q2 The following data gives the information on the observed lifetimes…
- Q3 The table below shows the daily expenditure on food of 25 household…
All 303 questions on Statistics → Browse all Maths chapters →