This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
(2-2 )-3 = …………………A) 31 B) 60C) 32 D) 64 |
|
Answer» Correct option is (D) 64 \((2^{-2})^{-3}=(2)^{-2\times-3}=2^6=64\) Correct option is D) 64 |
|
| 2. |
Mass of Mars is 6.42 x 1029 kg and mass of the Sun is 1.99 x 1030 kg. What is the total mass? |
|
Answer» Mass of Mars = 6.42 x 1029 kg Mass of the Sun = 1.99 x 1030 kg Total mass of Mars and Sun together = 6.42 x 1029 + 1.99 x 1030 = 6.42 x 1029 + 19.9 x 1029 = 26.32 x 1029 kg |
|
| 3. |
Which of the following is correct ? A) am × a-n = am-n B) am bm = a(b)m C) a0 = 1, a = 0 ……………. D) (ab)-1 = a-1 |
|
Answer» Correct option is (A) am × a-n = am-n (A) \(a^m\times a^{-n}=a^{m+(-n)}=a^{m-n}\) (Correct) (B) \(a^m\,b^m=(ab)^m\neq a(b)^m\) (Incorrect) (C) a = 0 then \(a^0=0^0=0\neq1\) (Incorrect) (D) \((ab)^{-1}=a^{-1}b^{-1}\neq a^{-1}\) (Incorrect) A) am × a-n = am-n |
|
| 4. |
2n = 2 then 2n+3 = ………………..A) 23 B) 19 C) 10 D) 16 |
|
Answer» Correct option is (D) 16 \(2^n=2\) \(\Rightarrow\) n = 1 Now, \(2^{n+3}=2^{1+3}=2^4=16\) Correct option is D) 16 |
|
| 5. |
ax(y-z) × ay(z-x) × az(x-y) = …………………A) 3 B) 1 C) – 1 D) 0 |
|
Answer» Correct option is (B) 1 \(a^{x(y-z)}\times a^{y(z-x)}\times a^{z(x-y)}\) \(=a^{xy-xz}\times a^{yz-xy}\times a^{xz-yz}\) \(=a^{(xy-xz)+(yz-xy)+(xz-yz)}\) \(=a^0=1\) Correct option is B) 1 |
|
| 6. |
161.25 = ………………. A) 30 B) 19 C) 32 D) 16 |
|
Answer» Correct option is (C) 32 \(16^{1.25}=16^{1+0.25}=16^{1+\frac14}\) \(=16^1.16^\frac14\) \(=16\times(2^4)^\frac14=16\times2\) = 32 Correct option is C) 32 option C is correct 32
|
|
| 7. |
Reciprocal of \((\frac{-5}{9})^{99}\) is …………….. A) 5/9B) 9/5C) 999 D) None |
|
Answer» Correct option is (D) None Reciprocal of \((\frac{-5}{9})^{99}=\frac1{(\frac{-5}{9})^{99}}=\left[(\frac{-5}{9})^{99}\right]^{-1}\) \(=[-\frac{5}{9}]^{-99}=\left[(\frac{-5}{9})^{-1}\right]^{99}\) \(=(\frac{-9}5)^{99}=(-1)^{99}(\frac95)^{99}\) \(=-\left(\frac{9}5\right)^{99}\) Correct option is D) None |
|
| 8. |
Which of the following is equal to (-3/4)-3?(a) (3/4)-3 (b) – (3/4)-3 (c) (4/3)3 (d) (-4/3)3 |
|
Answer» (d) (-4/3)3 Explanation: (-3/4)-3 = 1/(-3/4)3 = (-4/3)3 (By the law of exponents: a-n = 1/an) |
|
| 9. |
(-5/7)-5 is equal to:(a) (5/7)-5 (b) (5/7)5 (c) (7/5)5 (d) (-7/5)5 |
|
Answer» (d) (-7/5)5 Explanation: (-5/7)-5 = 1/(-5/7)5 = (-7/5)5 (By the law of exponents: a-n = 1/an) |
|
| 10. |
The value of (2/5)-2 is:(a) 4/5 (b) 4/25 (c) 25/4 (d) 5/2 |
|
Answer» (c) 25/4 Explanation: By the law of exponent we know: a-n = 1/an. Hence, (2/5)-2 = 1/(2/5)2 = 1/(4/25) = 25/4 |
|
| 11. |
(-7/5)-1 is equal to:(a) 5/7 (b) – 5/7 (c) 7/5 (d) -7/5 |
|
Answer» (b) – 5/7 Explanation: (-7/5)-1 = 1/(-7/5) = -5/7 |
|
| 12. |
Write the two specific codons that a translational unit of m-RNA is flanked by one on either sides. |
|
Answer» Start codon - AUG Stop codon- UAA/UGA/UAG |
|
| 13. |
यदि (If) y=sec (tan^(-1)x)" हो, तो "(then)(dy)/(dx)=`A. `(x)/sqrt(1+x^(2))`B. `-(x)/sqrt(1+x^(2))`C. `-(x)/sqrt(1-x^(2))`D. इनमें से कोई नहीं | |
| Answer» Correct Answer - C | |
| 14. |
यदि `y=x^(2)+3x-4` तो वक्र के बिंदु (1,1) पर अभिलंब की ढाल (प्रवणता) है `A. 5B. `-(1)/(5)`C. 8D. `-(1)/(8)` |
| Answer» Correct Answer - A | |
| 15. |
अवकल समीकरण `((d^(2)y)/(dx^(2)))+2((dy)/(dx))^(3)+9y=0` की कोटि हैA. 2B. 3C. 4D. इनमें से कोई नहीं | |
| Answer» Correct Answer - A | |
| 16. |
यदि `2x+5y-6z+3=0` एक समतल का समीकरण हो, तो दिए गए समतल के समांतर समतल का समीकरण होगाA. `3x+5y-6z+3=0`B. `2x-5y-6z+3=0`C. `2x+5y-6z+k=0`D. इनमें से कोई नहीं | |
| Answer» Correct Answer - D | |
| 17. |
यदि `f: RR rarr RR` इस तरह से परिभाषित हो कि `f(x)=2x+3` तो `f^(-1)(x)=`A. `2x-3`B. `(x-3)/(2)`C. `(x+3)/(2)`D. इनमें से कोई नहीं | |
| Answer» Correct Answer - A | |
| 18. |
यदि `A={:[(1,2),(3,4)]:}" तब "[If A={:[(1,2),(3,4)]:}` then]A. `|A|=0`B. `A^(-1)" का अस्तित्व है "(A^(-1)" exists")`C. `A^(2)=2A`D. इनमें से कोई नहीं | |
| Answer» Correct Answer - D | |
| 19. |
फलन `f(x)=sqrt((x-1)(3-x))` का परास हैA. `[1,3]`B. `[0,1]`C. `[-2,2]`D. `[0,1]` |
| Answer» Correct Answer - D | |
| 20. |
निम्नलिखित कथनों पर विचार करें : कथन I : यदि A और B प्रतिदर्श समष्टि S के संगत दो घटनाएँ ऐसा है कि `P(A)=0.2" और "P((B)=0 cdot 8" तो "A bigcupB` एक सुनिश्चित घटना है | कथन I : यदि A और B परस्पर अपवर्ती हों तो P(A)+P(B)=1 इन कथनो में :A. दोनों कथन सही है तथा कथन II कथन I की सही व्याख्या है |B. दोनों कथन सही है परंतु कथन II कथन I की सही व्याख्या नहीं है |C. कथन I सही है, परन्तु कथन II असत्य है |D. कथन I असत्य है, परन्तु कथन II सही है | |
| Answer» Correct Answer - A | |
| 21. |
निम्नलिखित कथनों पर विचार करें : कथन I : माना कि `(d)/(dx){f(x)+c}=F(x)" तब "intF(x)dx=f(x)+c` कथन II : समाकलन, अवकलन का प्रतिलोम प्रक्रम है | इन कथनो में :A. दोनों कथन सही है तथा कथन II कथन I की सही व्याख्या है |B. दोनों कथन सही है परंतु कथन II कथन I की सही व्याख्या नहीं है |C. कथन I सही है, परन्तु कथन II असत्य है |D. कथन I असत्य है, परन्तु कथन II सही है | |
| Answer» Correct Answer - A | |
| 22. |
`x **y=1+12x+xy, AA x,y in Q` द्वारा परिभाषित Q पर एक द्विआधारी संक्रिया `**` पर विचार करें | तब `2 **3` का मान होगा |A. 31B. 41C. 43D. 51 |
| Answer» Correct Answer - A | |
| 23. |
निम्नलिखित कथनों पर विचार करें : कथन I : माना कि `f: NN rarr Y` एक फलन है, जो `f(x)=9x+3` द्वारा परिभाषित है, जहाँ `Y={y:y=9x+3, x in NN}` तो `f` एकैकी फलन है | कथन II : `x_(1),x_(2) in NN` के लिए `f(x_(1))=f(x_(2))rArrx_(1)=x_(2)` इन कथनो में :A. दोनों कथन सही है तथा कथन II कथन I की सही व्याख्या है |B. दोनों कथन सही है परंतु कथन II कथन I की सही व्याख्या नहीं है |C. कथन I सही है, परन्तु कथन II असत्य है |D. कथन I असत्य है, परन्तु कथन II सही है | |
| Answer» Correct Answer - A | |
| 24. |
" The product of two consecutive positive integers is 30. " This can be expressed algebraically asA. x(x+2) = 30B. x (x-2) = 30C. x(x-3) =30D. x(x+1)= 30 |
|
Answer» Correct Answer - A::C |
|
| 25. |
A straight line which passes through two points on a circle isA. a chordB. a secantC. a tangentD. the radius |
|
Answer» Correct Answer - A::C |
|
| 26. |
If a and b are any two positive integers then HCF (a,b) `xx` LCM (a,b) is equal toA. a+bB. a-bC. a`xx`bD. a/b |
|
Answer» Correct Answer - C |
|
| 27. |
If the n-th term of an arithmetic progression `a_(n)` = 24 - 3n, then its 2nd term isA. 18B. 15C. 0D. 2 |
|
Answer» Correct Answer - A |
|
| 28. |
If the area of a circle is 49 `pi` sq. Units then its perimeter isA. 7 `pi` unitsB. `9 pi` unitsC. `49 pi` unitsD. `14pi` units |
|
Answer» Correct Answer - A::D |
|
| 29. |
The lines represented by 2x+3y-9 =0 and 4x+6y-18=0 areA. Intersecting linesB. perpendicular lines to each otherC. Parallel linesD. Coincident lines |
|
Answer» Correct Answer - C::D |
|
| 30. |
Write the POS equivalent of ABC + AB’C’ + ABC’+ A’B’C |
|
Answer» ∑(1,4,5,6,7) POS = π(0,2,3) =(A + B + C) (A + B' + C).(A + B' + C') |
|
| 31. |
Write the SOP form of a Boolean function G, which is represented as follows :PQRG0000010001111000101111011111 |
|
Answer» G(P, Q, R) = P’.Q.R’ + PQ’.R’ + EQ.R’ + EQ.R |
|
| 32. |
Who is Fowler and what is his first authentic thrill of the day? |
|
Answer» Fowler is a writer and he had come to meet Ausable. His first authentic thrill of the day came when he saw a man in Ausable’s room pointing a pistol towards Ausable and himself. |
|
| 33. |
How does Ausable say he got in? |
|
Answer» Ausable said that he thought Max had got into the room through the balcony. He said that it was the second time in a month that somebody had got into his room this way. |
|
| 34. |
How did Ausable describe the balcony and the manner in which one could get into his room, through it? |
|
Answer» It was not Ausable’s balcony. It belonged to the next apartment. It extends under his window now. One can get on to it two doors down as someone did last month. The hotel management, in spite of his protest, has not blocked the balcony till now. |
|
| 35. |
Read the following extract carefully and answer the questions that follow:"Hari Singh, "I lied. I took a new name every month. That kept me ahead of the police and my former employers. After this introduction, Anil talked about the well-oiled wrestlers who were grunting, lifting and throwing each other about.1. Why did he change his name every month?(i) He did so to prevent being caught by police or his former employers. This time he told his name as Anil.(ii) He did so to prevent being caught by police or his former employers. This time he told his name as Hari Singh.(iii) He did so to prevent being caught by police or his former employers. This time he told his name as Ravi Singh.(iv) He did so to prevent being caught by police or his former employers. This time he told his name as Ruskin.2. Why did Hari Singh choose Anil to be his next victim?(i) Hari found Anil to be lazy that could be a easy target for his purpose.(ii) Hari found Anil to be careless that could be a easy target for his purpose.(iii) Hari found Anil to be simple and kind that could be a easy target for his purpose.(iv) Hari found Anil to be sweet that could be a easy target for his purpose.3. Who does ’I’ refer to?(i) I’ refers to Hari Singh.(ii) I’ refers to Kari Singh.(iii) I’ refers to Anil.(iv) I’ refers to Hari's friend.4. Who is the author of this story?(i) The author is Ruskin Bond.(ii) The author is H.G Wells.(iii) The author is Walt Whitman.(iv) The author is Walt Disney.5. What is the meaning of ’grunting’?(i) The meaning is ’loud’.(ii) The meaning is ’breathing with a sound’.(iii) The meaning is ’dark’.(iv) The meaning is ’quiet’. |
|
Answer» 1. (ii) He did so to prevent being caught by police or his former employers. This time he told his name as Hari Singh. 2. (iii) Hari found Anil to be simple and kind that could be a easy target for his purpose. 3. (i) I' refers to Hari Singh. 4. (i) The author is Ruskin Bond. 5. (iv) The meaning is 'quiet'. |
|
| 36. |
How has Max got in? |
|
Answer» Max has got into the room using a passkey or master key. |
|
| 37. |
Read the extracts given below and answer the questions that follow:'Send them away!' he warned. "I will wait on the balcony. Send them away or I'll shoot and take my chances!"1. Who said these words and to whom?(i) Max said these words to himself.(ii) Ausable said these words to himself.(iii) Fowler said these words to Max.(iv) Max said these words to Ausable.2. Why did he say "Send them away"?(i) He said these words because he thought it was the kidnappers knocking the door and he did not want to get caught by the kidnappers.(ii) He said these words because he thought it was the police knocking at the door and he did not want to get caught by the police.(iii) He said these words because he thought it was the thieves knocking the door and he did not want to get caught by the thieves.(iv) He said these words because he thought it was Fowler knocking at the door and he did not want to get caught by Fowler.3. Describe the appearance of Max.(i) Max was slender, a little less than tall, with features that suggesting slightly the crafty, pointed countenance of a fox.(ii) Max was slender, short man with features suggesting slightly the crafty , pointed countenance of a fox.(iii) Max was fat, tall man with features suggesting slightly the crafty , pointed couterance of a wolf.(iv) Max was slender, a little less than tall with features suggesting slightly the crafty , blunt countenance of lion.4. Why was Max's face black with anger?(i) Max's face was black with anger because he was caught by the police in Ausable's room.(ii) Max's face was black with anger because his pistol slided from his hand and was taken by Ausable.(iii) Max's face was black with anger because he thought the police will enter the room soon and catch him red handed.(iv) Max's face was black with anger because he couldn't fool Ausable and got arrested by the police.5. Who is Max asking to send away?(i) Max is asking to send away the police.(ii) Max is asking to send away Fowler.(iii) Max is asking to send away the waiter.(iv) Max is asking to send away Ausable. |
|
Answer» 1. (iv) Max said these words to Ausable. 2. (ii) He said these words because he thought it was the police knocking at the door and he did not want to get caught by the police. 3. (i) Max was slender, a little less than tall, with features that suggesting slightly the crafty, pointed countenance of a fox. 4. (iii) Max's face was black with anger because he thought the police will enter the room soon and catch him red handed. 5. (i) Max is asking to send away the police. |
|
| 38. |
Where did Max try to hide himself? |
|
Answer» Max tried to hide himself in the balcony described by Mr. Ausable. |
|
| 39. |
How did the ancient Mariner stop the wedding guest? |
|
Answer» The ancient Mariner stopped one of the three Wedding-Guests. The wedding guest protested. The bridegroom’s doors were opened wide. He was an important member of the bridegroom’s family. He must be present at the wedding. The Mariner held him with his skinny hand. His long beard and glittering eyes had a magical effect. The wedding guest could do nothing but to listen to the Mariner’s story. |
|
| 40. |
Was the wedding guest happy to be stopped? Give reasons for your answer. |
|
Answer» The Wedding-Guest was not at all happy to be stopped by the ancient Mariner. The bridegroom’s doors were opened wide. He was a very close and important member of the bridegroom’s family. The guests had arrived. The feast was set. He was hearing the joyful celebrations at the wedding. His presence was necessary at the wedding ceremonies. |
|
| 41. |
Describe the ancient Mariner |
|
Answer» The ancient Mariner was an old man. He had a long grey beard and glittering eyes. He had skinny hands. His glittering eyes could hold the wedding guest under their spell. He was hypnotised to sit there and listen to the tale of the old Mariner helplessly like a child. |
|
| 42. |
The wedding ........... ........... mariner.Explain the above poem line. |
|
Answer» The wedding guest had no option but to listen to the story of the ancient mariner. He beat his breast in despair whereas the bright eyes mariner kept on telling his story. Alliteration – He beat his breast. |
|
| 43. |
How does the Mariner describe the movement of the ship as it sails away from the land? |
|
Answer» The Mariner describes how the ship sailed away from the land. The ship was cheered by the people standing at the harbour. The ship came out of the harbour safely. It passed below the church. Then it moved towards the hill and sailed on after leaving the light house. Finally, it entered the open sea. |
|
| 44. |
The bride hath ...................... merry minstrelsy.Explain the above poem line. |
|
Answer» By this time, the bride had entered the hall. She was very pretty and looked like a beautiful red rose. She was entering the hall after the singers and musicians who were nodding their heads to the music. Simile – Red as a rose. Alliteration – Red as a rose. merry minstrelsy. |
|
| 45. |
Higher and ...................... land bassoon.Explain the above poem line. |
|
Answer» The sun rose higher and higher every day till it reached over the most the tallest pole in a ship. At this moment the wedding guest started beating his breast because he had again heard the loud sound of bassoon coming from the house where the wedding had to take place. He wanted to go and attend the wedding. Repetition – Higher and Higher every day. Alliteration – (a) ........... here beat his breast. (b) For he heard the land bassoon. |
|
| 46. |
The Wedding guest ...................... Mariner.Explain the above poem line. |
|
Answer» The wedding guest set on a stone. He had no choice or option but to listen to the story of the mariner. The ancient mariner continued narrating his story. Alliteration – Sat an Stone. |
|
| 47. |
The sun ...................... into the seaExplain the above poem line. |
|
Answer» The sun rose from the left. It seemed as if it had came out of the sea. The sun shine brightly during the day and then set on the right side. Personification – (a) Out of the sea came he (b) And he shine bright |
|
| 48. |
The ship ............................. light house top.Explain the above poem line. |
|
Answer» The ship was cheered and it was given clearance from the harbour as well. The sailors dropped the sails happily and the ship moved past the church, hill and light house top. Alliteration – Merrily did we drop Repetition – Below the kirk, below the hill |
|
| 49. |
Read the extracts given below and complete the statements that follow :“The ship was cheered, the harbour cleared Merrily did we dropBelow the kirk, below the hillBelow the lighthouse top.”(a) Who does ‘we’ refer to ?(b) The journey began on a ............(c) Which poetic device is used in the above lines ?(d) The world ‘merrily’ means ........ . |
|
Answer» (a) ‘We’ refers to the Ancient Mariner and other sailors. (b) happy note. (c) The poetic device ‘repetition’ is used in the above lines. (d) Happily. |
|
| 50. |
Find which of the following numbers are divisible by 5 :(i) 5080(ii) 66666(iii) 755(iv) 9207 |
|
Answer» We know that a number whose units digit is 0 or 5, then the number is divisible by 5. (i) 5080 Here, unit’s digit 0 5080 is divisible by 5. (ii) 66666 Here, unit’s digit is 6. 66666 is not divisible by 5. (iii) 755 Here, unit’s digit is 5. 755 is divisible by 5. (iv) 9207 Here, unit’s digit is 7 9207 is not divisible by 5. |
|