दोन संख्यांची बेरीज 28 आहे .त्यांचे गुणाकार जास्तीत जास्त असल्यास संख्या ],[ (A) 10,18],...

The average of 20 numbers is 80. The average of first 10 numbers is 76.5 and that of next 7 numbers is 82. The 18th number is 3 more than the 19th number but 3 less than the 20th number. What is the average of 18th and 19th numbers? 20 संख्याओं का औसत 80 है | पहली 10 संख्याओं का औसत 76.5 है तथा अगली 7 संख्याओं का औसत 82 है | 18वीं संख्या 19वीं संख्या से 3 अधिक है लेकिन 20वीं संख्या से 3 कम है | 18वीं तथा 19वीं संख्या का औसत ज्ञात करें |

Let x be the least number which when divided by 15,18,20 and 27, the remainder in each case is 10 and x is a multiple of 31. What least number should be added to x to make it a perfect Square ? मान लीजिये कि x वह सबसे छोटी संख्या है जिसे 15, 18, 20 और 27 से विभाजित करने पर प्रत्येक स्थिति में शेषफल 10 आता है और x, 31 का एक गुणज है | x में न्यूनतम कौन सी संख्या जोड़ी जानी चाहिए ताकि यह पूर्ण वर्ग बन जाए ?

What is the least number of soldiers that can be drawn up in troops of 10, 12, 15, 18 and 20 soldiers, and also in form of a solid square? सैनिकों की वह काम से काम संख्या क्या है जिससे 10, 12, 15, 18 और 20 सैनिकों की टुकड़िया बनाई जा सकती है| और एक वर्ग भी बनाया जा सकता है |

The sum of the two number is 28 .If their product is maximum then the numbers are "],[" (A) "10,18],[" (B) "14,14],[" (C) "15,13],[" (D) "17,17]

10, 18, 28, 40, 54, 70, ?

The points scored by a kabaddi team in a series of matches are as follows: 8, 24, 10, 14, 5, 15, 7, 2, 17, 27, 10, 7, 48, 8, 18, 28 Find the median of the points scored by the team .

Which one of the following is the mean of the data given below? |{:(x_(i)" "6,10,14,18,24,28,30),(f_(i)" "2,4,7,12,8,4,3):}|

Form a grouped frequency distribution from the following data by inclusive method taking 4 as the class size of class intervals. 31, 23, 19, 29, 22, 20, 16, 10, 13, 34, 38, 33, 28, 21, 15, 18, 36, 24, 18, 15, 12, 30, 27, 23, 20, 17, 14, 32, 26, 25, 18, 29, 24, 19, 16, 11, 22, 15, 17,10