Question
Select the sentence that gives the most appropriate
meaning of the idiom ‘Keep your chin up’.Solution
The correct answer is B
The average of 20 numbers is calculated as 35. However, it was later discovered that one of the numbers was mistakenly recorded as 28 instead of 82. Wha...
Find the standard deviation of the following data (rounded of the two decimal places).
5,3,4,7
Find the sum of geometric progression, 40, 20, 10, 5, …..
Sum of first 20 terms of an AP is 610. First term = 12. Find approximate common difference.
The 5th term of an AP is 23 and the 12th term is 51. Find the 20th term.
A total of Rs. 558 was distributed among P, Q, R, S, T, and U. The amounts they received were in descending order and formed an arithmetic progression. ...
The 5th and 8th term of an arithmetic progression are 13 and -5 respectively. What is the 15th term?
What is the mode of the given data?
5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7
A man wants to invest Rs. 60660 in bank accounts of his two sons whose ages are 12 years and 16 years in such a way that they will get equal amount at a...
In an arithmetic progression (AP), the first term is 7, the common difference is 4, and the last term is 55. How many terms are there in the AP?
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