Organism takes food to carry out the following activity :-  Growth, Reproduction and for repair of worn out tissues.... read more
Total Views: 63 Life processes
Universal source of energy in all cells are :- ATP,  Adenosine Tri Phosphate.... read more
Total Views: 55 Life processes
As it is given that a18 − a14 = 32 (a + (18-1)d) - (a + (14-1)d) = 32 a + 17d - a - 13d = 32 4d = 32 d = 8 Hence required common difference is 8.... read more
Total Views: 57 Arithmetic Progressions
As an = a + ( n − 1 ) d According to given values 4 = a + (7 − 1) (− 4) 4 = a + 6 (− 4) 4 + 24 = a  a = 28 , Hence first term a is 28... read more
Total Views: 15 Arithmetic Progressions
Here first term a = p and common difference d = q As a10 = a + ( 10 − 1 )d a10 = p + 9q So 10th term is (p + 9q)... read more
Total Views: 38 Arithmetic Progressions
Since 2x, (x+10) and (3x+2) are in AP we obtain, (x + 10) − 2x = (3x + 2) − (x + 10) -x + 10 = 2x -8 -x - 2x = -8 -10 -3x = -18 x = 6 Hence answer is x = 6 ... read more
Total Views: 41 Arithmetic Progressions
(a) Salivary amylase:- It’s an enzyme present in the saliva, secreted by salivary glands. It digests starch into maltose there by starting the digestion of carbohydrate in the buccal cavity. ... read more
Total Views: 68 Life processes
Exchange of gases in tissues occurs through diffusion. Oxygen is carried as oxyhaemoglobin from lungs to tissues. It dissociates and carbon dioxide diffuses out into blood from tissues. It is transpor... read more
Total Views: 57 Life processes
Total number of cards is 52 So n(S) = 52 Total number of red king is 2 So n(E) = 2 The  probability  of  getting a red king P(E) = n(E)/n(S) P = 2/52 = 1/26 Hence answer is 1/26... read more
Total Views: 50 Probability
Total number of cards is 52 So n(S) = 52 Total number of black king is 2 So n(E) = 2 The  probability  of  getting a black king P(E) = n(E)/n(S) P = 2/52 = 1/26 Hence answer is ... read more
Total Views: 46 Probability
Given numbers are   -5,  -4,  -3,  -2,  -1,  0,  1,  2,  3,  4,  5 Their squares are     25, 16, 9, 4, 1, 0, 1, 4, 9, 1... read more
Total Views: 74 Probability
There  are  13  letters  in  the  word  ASSASSINATION  out  of  which  one  letter  can  be  chosen  in  13  w... read more
Total Views: 75 Probability
There are 11 letter in word PROBABILITY. Out of these 11 letter, 4 letter are vowels. So n(S) = 11      n(E) = 4 The  probability  that  the  selected  ... read more
Total Views: 37 Probability
Total number of eggs is 400 So n(S) = 400 Let a is the total number of bad egg So n(E) = a Probability of getting bad egg is 0.035 So P(E) = 0.035 As P(E) = n(E)/n(S) So 0.035 = a/400 a = 40... read more
Total Views: 33 Probability
Total number of sold tickets are 6000. So n(S) = 6000 Let she bought x tickets So n(E) = x Probability of winning the first prize in a lottery is 0.08 So P(E) = 0.08 As P(E) = n(E)/n(S) So 0.... read more
Total Views: 35 Probability
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