alleryশ্রেণির পরিসংখ্যাগুলি হলো 4, 9, 14, 7 এবং 6। মোট কতগুলি পর্যবেক্ষণ রয়েছে?
A36
B38
C40
D42
Answer & Solution
Correct answer: C. 40
4, 9, 14, 7 এবং 6 যোগ করলে 40 টি পর্যবেক্ষণ পাওয়া যায়।
Keep practising Data Interpretation
Browse all Data Interpretation questions for RRB NTPC, or explore more Reasoning topics.
Related questions
Frequencies are 6, 10 and 14 across three classes. What is the final cumulative frequency?Class intervals 0-10, 10-20, 20-30 have frequencies 5, 12 and 8. Which is the modal class?Histogram bins are usually what kind of intervals?A histogram differs from a bar chart because each bin covers what?Closing values are 100, 120 and 90 on three days. What is the largest daily change?A price moves 50, 60 and then 54. What is the percent fall from the peak?Population grew from 40000 to 46000 in three years. What is the mean yearly rise?Speed rises steadily from 20 to 50 km/h in 5 seconds. What is the rise per second?