Question
Find the value of 'a' in the given data if the mean of
the given data is 20. 10, 15, 18, 22, 24, 19, 21, a, 16, 25Solution
Sum of each term of given data = 10 Ć 20 = 200 So, 10 + 15 + 18 + 22 + 24 + 19 + 21 + a + 16 + 25 = 200 Or, 170 + a = 200 Or, 'a' = 30 Hence, option A.
The names of 14 students from section A, 15 students from section B and 16 students from section C were selected. The age of all the 45 students was dif...
If 20 men working 20 hours a day can make 20 quilts in 20 days, then in how many days 25 men working 25 hours per day will make 25 quilts?
Which of the following is/are correct regarding āPM AWAS- Urbanā?
Ā Ā Ā Ā Ā I.Ā Ā Ā Ā Ā Ā Ā It was launched by ministry of housing and urba...
Under which Act it is mandatory to establish a "Court of Inquiry"?
With reference to the Finance Commission of India, consider the following statements:
1. According to the constitution of India, the members o...
Consider the following statements about enforcement of the Constitution:
1. Some of the constitutional provisions related to citizenship, electio...
Which of the following statements is/are incorrect?
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The concept of Zero-Base Budgeting was introduced in ...
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Which of the following statement is/are correct about āVV Giriā?
I.Ā Ā Ā Ā Ā Ā Ā Ā Giri was a founding member of theĀ All-India Railwayme...
Which of the following statements is/are related to ecosystem?
(i) It consists of biotic components comprising living organisms.
(ii) All ...
Consider the following pairs:
Which of the above pairs...
