/50 All The Best !!! Your Exam has finished. Please Check Your Score... Vision SPI Entrance Exam SDA Announces the Pre-Entrance Exam for SPI & NDA Aspirants.Time :- 60 minMarks :- 100 Marks 1 / 50 1. The line drawn from the eye of an observer to the point in the object viewed by the observer is known as (a) horizontal line (b) vertical line (c) line of sight (d) transversal line 2 / 50 2. If cos X = a/b, then sin X is equal to: (a) √(b2-a2)/b (b) (b-a)/b (c) (b2-a2)/b (d) √(b-a)/b 3 / 50 3. If triangle ABC is similar to triangle DEF, then, (a) AB/FD = BC/EF = CA/DE (b) AB/DE = BC/DF = CA/EF (c) AB/DE = BC/EF = CA/FD (d) AB/BC = CA/DE = EF/FD 4 / 50 4. If the points A(1, 2), O(0, 0) and C(a, b) are collinear, then (a) a = b (b) a = 2b (c) 2a = b (d) a = –b 5 / 50 5. In an Arithmetic Progression, if a = 28, d = -4, n = 7, then anis: (a) 4 (b) 5 (c) 3 (d) 7 6 / 50 6. In constructions, the scale factor is used to construct ______ triangles. (a) right (b) equilateral (c) similar (d) congruent 7 / 50 7. If the area of a circle is 154 cm2, then its perimeter is (a) 11 cm (b) 22 cm (c) 44 cm (d) 55 cm 8 / 50 8. The length of a tangent from a point A at a distance 5 cm from the center of the circle is 4 cm. The radius of the circle is: (a) 3 cm (b) 5 cm (c) 7 cm (d) 10 cm 9 / 50 9. If we cut a cone in two parts by a plane parallel to the base, then the bottom part left over is the: (a) Cone (b) Frustum of cone (c) Sphere (d) Cylinder 10 / 50 10. The quadratic equation 2x2– √5x + 1 = 0 has (a) two distinct real roots (b) two equal real roots (c) no real roots (d) more than 2 real roots 11 / 50 11. If the pair of linear equations has a unique solution, then the lines representing these equations will (a) coincide (b) intersect at one point (c) parallel to each other (d) parallel to x-axis 12 / 50 12. The empirical relationship between the three measures of central tendency is (a) 3 Median = Mode + 2 Mean (b) 2 Median = Mode + 2 Mean (c) 3 Median = Mode + Mean (d) 3 Median = Mode – 2 Mean 13 / 50 13. A polynomial of degree n has: (a) Only one zero (b) At least n zeroes (c) More than n zeroes (d) At most n zeroes 14 / 50 14. If P(A) denotes the probability of an event A, then (a) P(A) < 0 (b) P(A) > 1 (c) 0 ≤ P(A) ≤ 1 (d) –1 ≤ P(A) ≤ 1 15 / 50 15. For some integer n, the odd integer is represented in the form of: (a) n (b) n + 1 (c) 2n + 1 (d) 2n 16 / 50 16. Adults suffering chicken pox                  (Spot the error) (A) /can develop (B) /all kinds of complications (C) /No error (D) . 17 / 50 17. His Arrogance cannot be tolerated. (Find synonym) a) Humility b) Modesty c) Humbleness d) Audacity 18 / 50 18. Find the correct sentence a) The earth move around the sun b) The earth moving around the sun c) The earth had move around the sun d) The earth moves around the sun 19 / 50 19. Find appropriate phrasal verb for ‘DISTRIBUTE’ a) Hand out b) Let up c) Lay By d) Keep off 20 / 50 20. A man who looks on the bright side of things. (One word substitution) a) Pessimist b) Optimist c) Snob d) Cynic 21 / 50 21. Natural flowers are prettier than (Find antonym) a) Artificial b) Smooth c) Wild d) Unpleasant 22 / 50 22. What is the name of operation recently launched by India to provide humanitarian assistance to the countries affected by Typhoon Yogi? a) Operation Vikas b) Operation Sadbhav c) Operation Veer d) Operation Kaveri 23 / 50 23. Which day is observed as United Nations Day every day? a) October 22 b) October 23 c) October 24 d) October 25 24 / 50 24. Which Indian recently on the silver medal at the Archery World Cup Final 2024? a) Deepika Kumari b) Bombayla Devi c) Parneet Kaur d) Muskan Kirar 25 / 50 25. Which Indian Hockey player won the FIH Player of the year for 2024? a) Sukhjeet Singh b) Harmanpreet Singh c) Shamsher Singh d) Akashdeep Singh 26 / 50 26. Democracies are based on a) Social equality b) Economic equality c) Political equality d) All of these 27 / 50 27. Who among the following wrote ‘Vande Mataram’? a) Rabindranath Tagore b) Bankim Chandra Chattopadhyay c) Abanindranath Tagore d) Dwarkanath Tagore 28 / 50 28. What is Napalm? a) A chemical Bomb b) An atomic bomb c) A phosphorous bomb d) An Organic compound 29 / 50 29. The Narmada Bachao Andolan is associated with a) Sardar Sarovar Dam b) Tehri Dam c) Hirakud Dam d) Gandhi Sagar Dam 30 / 50 30. Gondwana coal deposits are found in a) Krishna Valley b) Damodar valley c) Brahmaputra delta d) Tapi Valley 31 / 50 31. Coffee cultivation was first introduced in: a) Himalayas b) Aravalli Hills c) Garo Hills d) Baba budan hill 32 / 50 32. Iodine is necessary for the synthesis of which hormone? a) Adrenaline b) Thyroxin c) Auxin d) Insulin 33 / 50 33. A zygote which has an X Chromosome inherited from the father will develop into a: a) Boy b) Girl c) X Chromosome does not determine the sex of a child d) Either boy or girl 34 / 50 34. Which part off alimentary canal receives bile from the liver? a) Stomach b) Oesophagus c) Large intestine d) Small intestine 35 / 50 35. On moving from left to right in a period in the periodic table, the size of the atom: a) Decreases b) Increases c) Does not change appreciably d) First decreases and then increases 36 / 50 36. The allotrope of carbon which is a good conductor of electricity and heat is a) Graphite b) Charcoal c) Diamond d) None of these 37 / 50 37. Which of the following property is generally not shown by metals? a) Electric conduction b) Sonorous in nature c) Dullness d) Ductility 38 / 50 38. When light rays enter the eye, most of the refraction occurs at the: a) Crystalline lens b) The outer surface of the cornea c) Iris d) Pupil 39 / 50 39. The instrument used for measuring electric current is a) Galvanometer b) Ammeter c) Voltmeter d) Potentiometer 40 / 50 40. The direction of induced current is given by a) Left hand thumb rule b) Right hand thumb rule c) Fleming’s right hand rule d) Fleming’s left hand rule 41 / 50 41. A full length image of a distant tall building can definitely be seen by using a) A Concave mirror b) A Convex mirror c) A Plane mirror d) both a & c 42 / 50 42. Look at this series: 2, 6, 18, 54, ... What number should come next? a) 108 b) 148 c) 162 d) 216 43 / 50 43. Pointing to a photograph of a boy Suresh said, "He is the son of the only son of my mother." How is Suresh related to that boy? a) Brother b) Uncle c) Cousin d) Father 44 / 50 44. If in the examination hall, you find that the question paper is too tough to be answered satisfactorily by you, the best thing to do for you is to: a) Tell the examiner that the questions are out of course. b) Provoke the candidates to walk out of the examination hall. c) Try to know something from your neighbour. d) Try to solve the questions as much as you know with a cool head. 45 / 50 45. Arrange these words in alphabetical order and tick the one that comes lastAbandon  2. Actuate  3. Accumulate  4. Acquit  5. Achieve a) Accumulate b) Actuate c) Acquit d) Achieve 46 / 50 46. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .Which letter in this alphabet is the eighth letter to the right of the letter and  which is tenth letter to the left of the last but one letter of the alphabet? a) X b) W c) I d) H 47 / 50 47. I saw ____ old man yesterday. (Use appropriate article). a) a b) an c) the d) zero article 48 / 50 48. Beside food,                               .                                                                       --------- (Spot the error) (A) the pilgrims carried (B) some medicines (C) No error (D) . 49 / 50 49. Rama accidentally deleted three hours homework with one click. (Select the adverb in sentence) a) With b) Homework c) Deleted d) Accidentally 50 / 50 50. I gave him five rupees. (Change the voice) a) Five rupees were given to him by me. b) He was given five rupees by me. c) Both a and b d) None of the above Your score is 0% Exit