Question
The average of 18 numbers is 12. If each number is
increased by 2, what will be the mean of the new set of numbers?Solution
Sum of 18 numbers = (18 × 12) = 216 After addition of 2 to each of the numbers, New sum = 216 + (18 × 2) = 252 So, required mean = (252/18) = 14 Alternate Solution Since, each number is increased by ‘2’. So, mean will also increase by ‘2’. So, required mean = 12 + 2 = 14
Tugela Falls, noted for its scenic beauty, is located in which country?
Major disasters and their timing do not match correctly?
What is the minimum age qualification to become Chief Minister of any State in India?
The "Rajiv Gandhi National Aviation University" is located in which city?Â
SEBI has different circuit breakers for indices and for stocksÂ
What metal was formerly referred to as Wolfram?
Who founded the Women's Indian Association (WIA) in 1917?
IRF and FRA are over the counter (OTC) instruments to cover interest rate risks
Which nation was recently admitted to the BRICS New Development Bank (NDB)?
Which of the following countries is not a member of the ASEAN group?
Relevant for Exams:
