The following values are calculated with respect to the wages of workers in two farms A and B.

(i) Find the coeffcient of variation of farm A and farm B .
(ii) Which farm shows more variability ?
(iii) Which farm shows more consistency?

An analysis of monthly wages paid to workers in two firms A and B , belonging to the same industry , gives the following results. (i) Which firm A or B pays out larger amount as monthly wages? (ii) Which firm A or B shows greater variability in individual wages?

Which one of the following is not used in organic farming?

The teacher shows a thin lens and a thick lens. a. Which of these lens forms more enlarged image ? b. Which lens has greater focal length?

Write each of the following in the form of ax + by + c = 0 and find the values of a, b and c (i) x = -5 (ii) y = 2 (iii) 2x = 3 (iv) 5y = -3

The temperature of two cities A and B in a winter season are given below. Find which city is more consistent in temperature changes ?

Study the following figures and select the correct statements regarding these. (i)A shows mode of asexual reproduction in sponges through internal buds. (ii)B shows sexual reprodction through zoospores in Chlamydomonas. (iii) C shows asexual reproduction through fragmentation in Penicullium. (iv) D shows external budding in Sycon.

Write each of the following in the form of ax + by + c = 0 and find the values of a, b and c (i) 2x = 5 (ii) y - 2 = 0 (iii) y/7=3 (iv) x= (-14)/13

Which of the following statements are correct? (i) Helium has the highest first ionisation enthalphy (ii) Chlorine has less electron affinity than fluorine (iii) Ne has more ionisation energy than Boron. (iv) The ionisation energy noble gases of zero