एक विद्यालय में 120 बच्चों के लिए 20 दिन का अनाज था। 8 दिन के बाद उसमें 40 बच्चे और आ गए। ज्ञात कीजिए कि अनाज और कितने दिनों तक चलेगा?​

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).

Aconstruction worker has rope 9 m long he needs to cut it in pieces that are each 3 /5 m long how many such pieces can he cut without having any rope leftover?

To decrease an amount by 16% what single multiplier would you use