Question
The average of 15 numbers is 84. The first seven numbers
and the last five numbers have averages of 92.5 and 72.5, respectively. The ninth number exceeds the eighth number by 20%, and the tenth number is reduced by (50/9)% from the ninth number. Determine the value of the ninth number.Solution
Let eighth number is 10x So, ninth number = 1.20 Γ 10x = 12x Tenth number = 850/9 Γ 1/100 Γ 12x = 34x/3 So, 10x + 12x + 34x/3 = 84 Γ 15 β 7 Γ 92.5 β 5 Γ 72.5 = 250 Or, 100x/3 = 250 Or, x = 7.5 So, ninth number = 12 Γ 7.5 = 90
The Constitution of India borrowed the concept of the Directive Principles of State Policy from the Constitution of
In which country is the Nasdaq Stock Market headquartered?
Which one of the following is correct in respect of Article 41 (Right to work) under the Constitution of India?Β
In which foreign banks can the Reserve Bank of India ( RBI ) keep its forex reserve gold?
1 ) Bank of England
2 ) Federal Reserve Ban...
Identify a class of compounds that has a functional group βOH.
Which of the following is a weakest acid?
The first ever Industrial Policy Resolution of India was announced in the year _______.
The SI number of electrical resistivity is-
As per the RBIβs FREE-AI framework for responsible AI adoption in the financial sector, how many strategic pillars have been identified?
Where was Azad Hind Fauj (INA) formed?