Class name Subject Book title Chapter number Content Created at
Class XII English Vistas 1 Now,Idon’tknow whythisshouldhave happened to me. I’m just an ordinary guy named Charley, thirty-one years old, and I was wearing a tan gabardine su...
Class XII English Vistas 1 I didn’t pass a soul. Then I heard that sort of hollow roar ahead that means open space and people talking. The tunnel turned sharp left; I went do...
Class XII English Vistas 1 Cleveland. I’ve found that front page since, in the Public Library files, and it was printed June  11, 1894. I turned toward the ticket windows kno...
Class XII English Vistas 1 the bank, nearly all we had, and bought old-style currency (that really worried my psychiatrist friend). You can buy old money at almost any coin d...
Class XII English Vistas 1 to my grandfather at his home in Galesburg; that’s what the address on the envelope said. And it had been there since July 18, 1894 — the postmark ...
Class XII English Vistas 1 you see an intersection of time and space in the story? 5. Apparent illogicality sometimes turns out to be a futuristic projection? Discuss. 6 Vist...
Class XII English Flamingo 11 Kamala Dasat Sixty-six Keeping Quiet Pablo Neruda Y John Keats Beauty R A Roadside Stand T Aunt Jennifer’s Tigers E Adrienne Rich O P 1 My Mother a...
Class XII English Flamingo 11 the ‘late winter’s moon’? 5. What do the parting words of the poet and her smile signify? Notice that the whole poem is in a single sentence, punct...
Class XII English Flamingo 12 2 Keeping Quiet About the poet Pablo Neruda (1904-1973) is the pen name of Neftali Ricardo Reyes Basoalto who was born in the town of Parral in Chi...
Class XII English Flamingo 12 associate or deal with, to refuse to tolerate something Think it out 1. What will counting upto twelve and keeping still help us achieve? 2. Do you...
Class XII English Flamingo 13 A Thing of Beauty About the poet John Keats (1795-1821) was a British Romantic poet. Although trained to be a surgeon, Keats decided to devote hims...
Class XII Mathematics Mathematics Part-II 7 of the Exercises 16 and 17 choose the correct answer: 16. If P(A) = 2 , P(B) = 0, then P(A|B) is (A) 0 (B) 2 (C) notdefined (D) 1 Reprint 2026-27 P...
Class XII Mathematics Mathematics Part-II 7 drawnwithoutreplacement.Ifallthethreeorangesaregood,theboxisapproved for sale, otherwise, it is rejected. Find the probability that a box containin...
Class XII Mathematics Mathematics Part-II 7 B) 12. Adieistossedthrice.Findtheprobabilityofgettinganoddnumberatleastonce. 13. Twoballsaredrawnatrandomwithreplacementfromaboxcontaining10black a...
Class XII Mathematics Mathematics Part-II 7 II. Bag I contains 2 white and 3 red balls and Bag II contains 4 white and 5 red balls. One ball is drawn at random from one of the bags.We can fin...
Class XII Mathematics Mathematics Part-II 7 F′} is a partition of the sample space S. It may be mentioned that the partition of a sample space is not unique. There can be several partitions o...
Class XII Mathematics Mathematics Part-II 7 = 1,2,..., ni Reprint 2026-27 PROBABILITY 425 Therefore, P (A) = P (E )1P (A|E )1+ P (E ) 2 (A|E ) 2 ... + P (E )PnA|E ) n n or P(A) = ∑ P(E jP(A|E...
Class XII Mathematics Mathematics Part-II 7 the probability that he comes by train? Solution Let E be the event that the doctor visits the patient late1an2 l3t 4 , T , T , T betheevents thatt...
Class XII Mathematics Mathematics Part-II 7 does not speak the truth 4 4 Thus, by Bayes' theorem, we get P(S1|E) = Probability that the report of the man that six has occurred is actually a s...
Class XII Mathematics Mathematics Part-II 7 results report that 30% of all students who reside in hostel attain A grade and 20% of day scholars attain A grade in their annual examination.At t...
Class XII Mathematics Mathematics Part-II 7 and 1% produced by machine B were defective.All the items are put into one stockpile and then one item is chosen at randomfromthisandisfoundtobedef...
Class XII Physics Physics Part-II 1 of a concave mirror of radius of curvature 15 cm. Find the position, nature, and magnification of the image in each case. Solution The focal length...
Class XII Mathematics Mathematics Part-II 7 wins the game. Find their respective probabilities of winning, ifAstarts first. Solution Let S denote the success (getting a ‘6’) and F denote the ...
Class XII Mathematics Mathematics Part-II 7 P(A|B )1+ P(B ) 2(A|B ) 2 0.8×0.9×0.9 648 = = =0.95 0.8×0.9×0.9 +0.2×0.4×0.4 680 Miscellaneous Exercise on Chapter 13 1. A and B are two events suc...
Class XII Mathematics Mathematics Part-II 7 that the patient followed a course of meditationandyoga? 8. If each element of a second order determinant is either zero or one, what is the probab...