6, 12, 21, 33, ………? | CLASS 14 | श्रृंखला | REASONING | Doubtnut

Q 21 to 33

15 12 17 10 ? 8 21 6

21, 24, 33, 70, 141, 384

4, 6, 10, (12), 16, (14), 22

12 14 17 13 8 14 21 13 4 ?

The present ages of A, B, and C are in the ratio of 8:14:22 respectively. The present ages of B, C and D are in the ratio of 21:33:44 respectively. Which of the following represents the ratio of the present ages of A, B, C and D respectively? 12 : 21 : 36 : 44 b. 12 : 21 : 33 : 44 c. 12 : 22 : 31 : 44 d. cannot be determined e. none of these

Find the mode of the data : 14, 6, 9, 15, 14, 9, 21, 21, 25, 21, 27, 29, 21, 8, 6, 15, 25, 14, 21, 9, 21, 25, 27, 29, 6, 14, 21, 21, 27, 25, 27, 9, 15, 14, 9.

Construct a frequency table for the following ages (in years) of 30 students using equal class intervals, one of them being 9-12 , where 12 is not included. 18, 12, 7, 6, 11, 15, 21, 9, 8, 13, 15, 17, 22, 19, 14, 21, 23, 8, 12, 17, 15, 6, 18, 23, 22, 16, 9, 21, 11, 16 .

What is the median of 7,18, 6, 9, 4, 15, 21, 14, 26? 7, 18, 6, 9, 4, 15, 21, 14, 26 की मध्यिका कितनी है ?

The average of a series of 21 numbers is equal to 43. The average of the first eleven of them is 33. The average of the last eleven numbers is 53. The eleventh number of the series is: 21 संख्याओं की एक श्रृंखला का औसत 43 के बराबर है | इनमें से पहली ग्यारह संख्याओं का औसत 33 है | अंतिम ग्यारह संख्याओं का औसत 53 है | इस श्रृंखला की 11वीं संख्या है :