Subject
Bank Exam
Topic
Southeast Bank Ltd. - Probationary Officer - 2020 (15-02-2020)
If the mean of numbers 28, x, 42, 78 and 104 is 62, what is the mean of 48, 62, 98, 124 and x ?
If the mean of numbers 28, x, 42, 78 and 104 is 62, what is the mean of 48, 62, 98, 124 and x ?
ক)
58খ)
390গ)
78ঘ)
310Explanation
প্রশ্নে বলা হচ্ছে, 28, x, 42, 78 এবং 104 এর গড় 62 হলে 48, 62, 98, 124 এবং x এর গড় কত ? যেহেতু, প্রথমে সংখ্যা আছে 5 টি, তাই প্রশ্নমতে, 28+x+42+78+104/5 = 62 => 252+x = 310 ∴ x = 310 - 252 = 58. অতএব, 48,62,98,124 এবং x এর গড় => 48+62+98+124+58/5 = 390/5 = 78 .Related questions
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