CBSE ADDA

Q1 The first three terms of an AP respectively are  3y – 1, 3y + 5 and 5y + 1. Then y equals: (A) –3 (B) 4 (C) 5 (D) 2 Solution: (C) 5 Q2 In Fig. 1, QR is a common tangent to the given circles, touching externally at the point T. The tangent at T meets QR at P. If PT = 3.8 cm, then the length of QR (in cm) is : (A) 3.8 (B) 7.6 (C) 5.7 (D) 1.9 Solution: (B) 7.6 Q3 In Fig. 2, PQ and PR are two tangents to a circle with centre O. If ∠QPR = 46°, then ∠QOR equals: (A) 67° (B) 134° (C) 44° (D) 46° Solution: (B) 134° Q4. A ladder makes an angle of 60° with the ground when placed against a wall. If the foot of the ladder is 2 m away from the wall, then the length of the ladder (in metres) is: (A) 43 (B) 43 (C) 22 (D) 4 Solution: (D) 4 Q5 If two different dice are rolled together, the probability of getting an even number on both dice, is: (A) 136 (B) 12 (C) 16 (D) 14 Solution: (D) 14 Q6 A number is selec

SECTION A All questions are similar in 30/2 set                             SECTION B All questions are similar in 30/2 set except Q.No. 14 14. Find the value of p so that p x (x-3)+9 = 0 has equal roots. SECTION C All questions are similar in 30/2 set except Q. No. 20,22,23,24 20. Construct a triangle with side 5 cm, 5.5 cm and 6.5 cm . Now construct another triangle, whose sides are 3/5 times the corresponding sides of given triangle. 22. The sum of first seven term of AP is 182. If 4th and 17th term are in ratio 1: 5 . Find AP 23.From the top of 60m high building , the angle of depression of the top and bottom of a tower are 45 deg. and 60 deg. respectively. Find the height of tower. 24.Find a point p on y axis which is equidistant from points A(4,8)and B(-6,6) SECTION D All questions are similar in 30/2 set except Q.No.31, 32 and 34 31. (x – 4) / (x – 5 )/ (x – 6) / (x – 7 ) = 10/3 32. Five cards – the ten, jack ,queen king and ace of diamonds are are well

Series HRS Code-30/2 Summative Assessment –II Subject Mathematics class 10 CBSE Board 2014 SECTION-A 1. The probability that a number selected at random from the number 1,2,3,…..15. is a multiple of 4 is (A)4/15 (B) 2/15 (C)1/5 (D)1/3 Ans: 1/5 2. The angle of depression of car parked on the road from the top of a 150m high tower is 300 . The distance of the car from the tower in m meter is (A)50Ö3 (B)150Ö3 (C) 50Ö2 (D)75 Ans: (B)150Ö3 3. Two circle touches externally at P . AB is common tangent to the circle touching them at A and B . The value of <APB is (A)300 (B)450 (C)600 (D) 900 Ans: (B)450 4. If k,2k -1 and 2k + 1 are three consecutive term of AP then value of k is (A)2 (B)3 (C)-3 (D)5 Ans: (B)3 5. A chord of a circle of

Pre Board Science Question paper-2014 CBSE Pre Board Science Question paper 2014 Download File CBSE 10th_mathematics_pre_board_paper 2014 Download File CBSE Pre Board Science Question paper 2013 Download File CBSE 10th_mathematics_pre_board_paper 2013 Download File For more paper visit  Board Question paper-2014

CBSE Class 10th Social Science Question Papers by jsunil Find CBSE class 10th Social Science sample paper for the Second term examination. Question has been framed as per the syllabus covered in the first term examination. SUMMATIVE ASSESSMENT – II, 2014 Class – X, SOCIAL SCIENCE SAMPLE PAPER Time allowed: 3 hours                                                     Maximum Marks: 90 1 marks Questions 1. Which of the following was not a feature of the Conservatism in Europe after 1815? (a) Established traditional systems of state and society (b) Efficient Bureaucracy (c) Modern army   (d) Democracy OR Which of these was not the challenge faced by the new Republic of Vietnam ? (a) Attack of the French armies to regain control. (b) Division of Vietnam. (c) Fall of the Bao Dai regime (d) Young generation’s emigration to Japan. 2. Which of the following is false about the Hapsberg Empire ? (a) It ruled over Austria – Hungary (b) It comprise

IX_9th _Solved Sample paper for CBSE Board  English Communicative (Class IX ) Hindi course A (Class IX) Hindi Course B (Class IX) Sanskrit (Class IX) Mathematics (Class IX) Science (Class IX) Social Science (Class IX) Download following sample and start practicing to excel in CBSE/NCERT Board exam 9th - English-Comm_Sample Paper_ SA-II_ 2014 9th_Hindi_sample_paper___sa-II_2014 9th - Sanskrit_Sample Paper _ SA-II_ 2014 9th -Science_Sample Paper_ SA-II_ 2014 9th_-social_science_sample_paper___sa-ii__2014     Download File Class-10 Sample Papers for March 2014 CBSE Board Exam X CBSE Board Question Papers 2013 English_Com. Hindi Course_A Mathematics Science       Social_Science

SECTION - A   (Reading – 20 Marks)    1. Read the poem given below and complete the sentences that follow.   Just for a handful of silver he left us,   Just for a riband to stick in his coat-   Found the one gift of which fortune bereft us,   Lost all the others she lets us devote;   They, with the gold to give, doled him out silver,   So much was theirs who so little allowed;   How all our copper had gone for his service!   Rays- were they purple, his heart had been proud,   We that had loved him so, followed him, honoured him,   Lived in his mild and magnificent eye,   Learned his great language, caught his clear accents,   Made him our pattern to live and to die   He alone breaks from the van and the freemen,   He alone sinks to the rear and the slaves !                                                         Robert Browning   (A) The person who left them is their ___________ .   (B) He left them for the sake of __________ .   (C) The speaker and his comrades w

CBSE Science X Question paper of 2011 solution for preparation of 2014   1. What are the various steps in a food chain called? Solution: Trophic levels. 2. What is the important function of presence of ozone in earth’s atmosphere? Solution: The ozone layer prevents the harmful UV rays from entering into the earth’s atmosphere. 3. Write the electron dot structure of ethane molecule, C2H6 Self 4. What makes the earth’s atmosphere a heterogeneous mixture? Solution: Different gases like  oxygen, nitrogen, argon and CO 2 with other gases make the earth’s atmosphere a heterogeneous mixture. 5. List any four characteristics of a good fuel. Solution: Characteristics of a good fuel are : i. low ignition temperature. ii. High calorific value iii. Environmental friendly. iv. Easily available and accessible 6. What are non-renewable resources of energy? Give two examples of such resources. Solution: Non-renewable resources of energy are those energy resources t