[" (a) "15,45,40,120," (b) "33,121,9,96," (c) "24,28,36,48],[" (d) "32,48,70,210," (e) "4,6,8,12," (f) "33,44,75,100]

Write the following sets in Set - Builder Form : (a) (i) A={0} (ii) B={-1,1} (iii) C={1,3,5,7,9} (iv) D={2,4,6,8} (v) E={1,5,10,15,……} (vi) F= {12,18,24,…,96}. (b) (i) ,6,9,12} (iii) {2,4,8,16,32} (iii) {5,25,125,625} (iv) {2,4,6,....} (v) {1,4,9,.....100}

Find the HCF of the following numbers : (a) 18, 48 (b) 30, 42 (c) 18, 60 (d) 27, 63 (e) 36, 84 (f) 34, 102 (g) 70, 105, 175 (h) 91, 112, 49 (i) 18, 54, 81 (j) 12, 45, 75

6, 9, 15, 21, 24, 28, 30 (a) 28 (b) 21 (c) 24 (d) 30

Given below are the ages of 45 people in a colony. {:(33,8,7,25,31,26,5,50,25,48,56),(33,28,22,15,62,59,16,14,19,24,35),(26,9,12,46,15,42,63,32,5,22,11),(42,23,52,58,62,10,24,43,51,37,48):} 36 Construct grouped frequency distribution for the given data with 6 class intervals.

If an angiospermic plant has 48 chromosomes in its leaf cell then, the number of chromosomes present in synergid, pollen grain, nucellus & endosperm cell respectively will be (a) 12, 12, 24, 36 (b) 24, 24, 48, 72 (c) 48, 24, 48, 24 (d) 12, 24, 24 , 36

Given below are the ages of 40 people in a colony: {:(33,8,7,28,30,25,6,50,24,44),(56,32,27,21,17,62,58,16,14,19),(24,31,27,5,12,46,15,42,67,34),(4,21,10,40,20,50,48,63,9,21):} Taking class intervals 1-10, 11-20, 21-30, 31-40, 41-50, 51-60 and 61-70, we construct a frequency distribution table for th above data.

{:("Class Interval",0-4,4-8,8-12,12-14,14-16,16-20,20-24,24-26,26-32,32-34,34-40,40-44,44-48),("Frequency"," "2," "4," "7," "5," "8," "3" "," "2," "1," "13," "5," "3," "3," "9):}

The maximum temperatures (in degree celcius) for a city in North India for the month of June 2000, as reported by meteorological department are as below: 32.4, 30.3, 31.6, 32.5, 33.5, 28.7, 33.4, 35.6, 36.4, 34.7, 35.2, 30.6, 28.5, 29.4, 30.3, 32.5, 34.6, 35.4, 36.1, 37.2, 28.5, 28.1, 29.2, 31.4, 32.5, 36.2, 35.9, 36.7, 37.2, 36.1. Find the range