ಎರಡು ವಿತರಣೆಗಳ ವ್ಯತ್ಯಾಸದ ಗುಣಾಂಕ 60 ಮತ್ತು 70, ಮತ್ತು ಅವುಗಳ ಪ್ರಮಾಣಿತ ವಿಚಲನಗಳು 2...

In Fig.70. if\ l m n\ a n d\ /_1=60^0, find /_2.

Find the mean of the marks obtained by 30 students of Class IX of a school, given in Example 2. 10 20 36 92 95 40 50 56 60 70 92 88 80 70 72 70 36 40 36 40 92 40 50 50 56 60 70 60 60 88

2, 6, 12, 20, 30, 42, 56, (......) (a) 60 (b) 64 (c) 72 (d) 70

The distribution below gives the weight of 30 students in a class. Find the median weight of students: Weight (in kg): 40-45 45-50 50-55 55-60 60-65 65-70 70-75 No. of students: 2 3 8 6 6 3 2

Which one of the following lanthanides exhibits +2 oxidation state with diamagnetic nature ? (Given Z for Nd = 60, Yb = 70, La = 57, Ce = 58)

Write the correct number in the given boxes from the following A.P. 70, 60, 50, 40 ,………. Here, t_(1) = square, t_(2) = square, t_(3)=square ,….. therefore a=square, d=square

The following table gives production yield per hectare of wheat of 100 farms of a village: Production yield 50-55 55-60 60-65 65-70 70-75 75-80 in kg per hectare: No. of farms: 2 8 12 24 38 16 Draw ‘less than’ ogive and ‘more than’ ogive.

A student obtained the following marks in percentages in his semester examination English 50, Maths 65, Statistics 70, Economics 58 and Accountancy 63. The weights of these subjects are 2, 2, 1, 1 and 1 respectively. What is the weighted arithmetic mean? (a) 60 (b) 61 (c) 62 (d) 63

Mean of 100 items is 49. It was discovered that three items which should have been 60,70,80 were wrongly read as 40,20,50 respectively.The correct mean is.(a) 48 (b) 82(1)/(2) (c) 50 (d) 80