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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. |
The shape of the top surface of a table is a trapezium. Find itsif its parallel sides are 1 m and 1.2 m and perpendicular distancebetween them is 0.8 m.1.its areaaca |
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| 2. |
15(x-9)-2(x-12)+5(x+6)=0 |
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| 3. |
If, F(x)=sin2 x than F(Π/4)=? |
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Answer» F(π/4)= sin2(π/4)= sin π/2= 1please like the solution 👍 ✔️ |
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| 4. |
EXERCISE 11.20.8 m1. The shape of the top surface of a table is a trapezium. Find its areaif its parallel sides are 1 m and 1.2 m and perpendicular distancebetween them is O.8 m. |
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5. If 8in,1-0,then find the value of cos Л nnd13tan L |
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ImEXERCISE 11.20.8 m1. The shape of the top surface of a table is a trpezium. Find its areat its parallel sides are 1 m and 1.2 m and perpendicular distancebetween them is 0.8 m.1.2 m |
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| 7. |
4/15 %2B 7/15 |
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Answer» 11/15 is the correct answer of the given question 11/15 is the answer of the following 11/15 is the right answer 11/15 is the answer of this question. 11 /15 is the correct one 11/15 is the answer.... 11 /15 is the right answer 11/15 is right answer.... 11/15 is the correct answer |
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| 8. |
3265-28(i |
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Answer» (8)^[(1/5)*(5/2)] * (16)^[-3/2]= (2)^[3/2]*(2)^[-6]= (2)^[3/2-6]= (2)^[-9/2] |
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| 9. |
a. Convert into decimals100 |
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Answer» 74 ------- 100 So, it will change into, 400+ 7----------- 100 407------- = 4.07 100 rait |
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| 10. |
4. Convert into decimals:625 |
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Answer» 6÷25 = is the answer of the question |
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| 11. |
(1) किसी गाँव में 359 पुरूष, 326 महिलाएँ तथा 20 बच्चे रहते हैं।गाँव में कुल कितने व्यक्ति रहते हैं? |
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Answer» 395+326+20=741 answer to find this add all the people to get total population hence359+326+20=705 |
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| 12. |
3. Convert the following fractions into decimals. |
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Answer» 0.2 is a right answer right answer is 0.2. |
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| 13. |
If the cost of a book iscost of 326 such books?268, what will be the |
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| 14. |
7. Mangoes are sold at * 43 per kg. What is the weight of mangoes available for 2 326-;? |
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| 15. |
4)below the A-axis.Verify that equation 'sin2 0 + cos2 0 = 1' is true when 0 = 0° |
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Answer» Given:sin ²theta+cos ²theta=1also theta=0° Now, sin ²0°+cos²0°=0²+1²=1 Hence verified |
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| 16. |
10. A vertical pole 10m long casts a shadow 10 3 m long. At the same time tower casts a shadow90m long. Determine the height of the tower. |
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Answer» Like my answer if you find it useful! |
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| 17. |
1(1-sin2 0) + (1 - Cos20) ? |
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Answer» tyyyrdfggggfggftggfgff cot20 is correct answer = cot 2 O is the right answer cot20 is correct answer to that question (1-sin2)+(1-cos2)answer is 1 (1-sin2) +(1-cos2)=answer is 1 |
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| 18. |
1. Express each of the following ratios in simplest form:(1) 24: 40(l) 13.5 1592(v) 4:5:6 9 |
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| 19. |
Find the general solution of equation(i)sin2 2θ-0(ii)S11cos |
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Answer» sin²2∅ = 0=> sin2∅ = 0 so, 2∅ = nπ or ∅ = nπ/2 |
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| 20. |
Q. 2. If Sin 0 + sin2 θcos2 θ + cos4 θ.1, then evaluate |
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Answer» sin²θ + sinθ = 1So,1 - cos²θ + sinθ = 1sinθ = cos²θSo,sin²θ = cos⁴θTherefore,cos²θ + cos⁴θcos²θ + sin²θ1 |
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| 21. |
EXERCISE 112The shape of the top surface of a table is a trapezium. Find its area0.8 mif itsparallel sides are l m and 1.2 m and perpendicular distance1.2 mbetween them is 0.8 m. |
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| 22. |
Number of Solution of equation sin2 x -6sin x(a) 0+ 8 = 0 in R is(b) oo(c) 4(d) of |
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Answer» let sinx = t so, the equation becomes t²-6t+8 = 0 => t²-4t-2t+8 = 0=> t(t-4)-2(t-4) = 0=> (t-4)(t-2) = 0=> t = 4, 2 but since sinx can be greater than 1. so, no. of solutions will be 0. |
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| 23. |
2 210. IfcosÂŽ = _l, find _~_________sece+ant92 7-2 8609 * 00560 0 |
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Answer» answer nii aarha h |
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| 24. |
8 Determine the missingdimension if the area is112 in28in |
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Answer» Like if you find it useful |
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| 25. |
IF is an acute angle and sin 0 = cos e, find the value of2 tan2 0 + sin2 0 - 1. |
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Answer» Sin = cosTan = 1Theta = 452x1+1/2-1= 3/2 Sinpi = cospi; Tan =1; 2(1)^2 + (1/2)^2 = 2 + 1/4=9/4 |
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| 26. |
: sin2 + sin 0 = 1 and find e. |
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Answer» please your questions is mistake |
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| 27. |
7. Divide and express the answers as rationalnumbers wherever possible.(1) 6 by 6 (1) O by -9130 -11-6 |
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Answer» 1) -13;2)0 is the correct answer of the given question |
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| 28. |
obtain all zeroes of p(x) = x4-3x3-2 + 9x-6 if two of its zeroes are ÂąV3 |
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| 29. |
DecimalsEXERCISE 3AConvert each of the following into a fraction in its simplest form:(i) .8(ii) .75(iii) .06(iv) 28 |
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| 30. |
73a)write the fraction into decimals-3 |
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Answer» 7/3=2.33333 |
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| 31. |
ouf A and B are two sets such that n(A)-115 , n(B)-326, n(A-B)047 then write n(AUB) |
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Answer» thanx |
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| 32. |
-125/8 +75/4 +(-15/2) +1 |
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| 33. |
8.If-l is one of the zeroes of the polynomial p(x) = 3x3-5x2-11x-3, find the other two zeroes. |
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| 34. |
the mean of 15 numbers is 5. If 2 is added to each number, then what will be the new mean?fhund to e 40ater on, it was discovered that a |
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| 35. |
900 25Exercise 4.31of the following decimals in the form(b) 0.650(c) 9.931.75(g) 2.of the following decimals in the form(b) 0.05(c):(b) 2.5 - 33.3(c) |
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Answer» Your correct answer is 5/99 |
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| 36. |
EXERCISE 8 (A)Write these pese percentages as fractions and decimals:ii)240%60%iii) 122% |
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| 37. |
EXERCISE 3Ahe prime factorisation method, find which of the followi(11) 576(vi) 9075(iii) 11025(vii) 4225(viii |
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| 38. |
(2/3-Mark QuestionsEXERCISE 21. Find the ratio of 35 kg to 6500 g.Ans.3a + 2b3a-2b.a 72. If, find the value ofSolution: |
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Answer» a = 7, b = 3 3a+2b/3a-2b = 21+6/21-6 = 27/15 = 9/5 6500 g = 6.5 kg ratio = 35:6.5 = 7:1.3 |
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| 39. |
112EXERCISE 8 (A1. Write these percentages as fractions and decimals:(i) 60%(ii) 240%(iii)2. Write these numbers as percentages: |
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| 40. |
sin(15^circ)^2 %2B sin(75^circ)^2 |
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Answer» sin^2(90-75)+sin^2 75cos^2 15+sin^2 151 To find:sin²15°+sin²75° sin²(90°-75°)+sin²75°=cos²75°+sin²75°=1 |
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| 41. |
cos^2 75°- sin^2 15°= 0 |
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| 42. |
The sum of Ritu's age and Ashu's age is 25. Ritu is 12 years old. Write an |
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| 43. |
Write a C program to add two 3x3matrices. |
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| 44. |
8. If A and B are two nB are two matrices such that AB = B and BA= A, then A+B= |
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| 45. |
18. If A and B are two matrices such that AB - B and BA - A, then A+B |
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| 46. |
Exercise 2Can the following two matrices be multiplied and if so compute their product1.2 34 2-1 2-3 03-7 1 -8 152 4-3 1(Luck |
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| 47. |
Question3(a) A and B are two matrices such that 2A + B = | 1-10 | and A + 2B =1-4-210 0Find out:i. Matrix A and BFind A x B. B x A, then verify A x B = B x A |
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Answer» this is part 1 |
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| 48. |
(a)(c) A? + A, B2 =B5. If A and B are two matrices such that AB = B and BA = A, then A+B is equal(c) A + B(d) AB(a) 2 AB(b) 2 BAus and we too many to an art conditionem |
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| 49. |
A ransport company charges 5400 to carry 80 quintals of weight. What will ite to carry 126 quintals of weight (same distance)?char |
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Answer» Let x be the charge to carry 126 quintal Dealing it in ratio method. Weight : Charge 80 : 5400 126 : x On cross multiplication, 80x = 5400 * 126 x = (5400*126)/80 x = Rs: 8505 |
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| 50. |
A rice godown owner purchased 16,780 quintalsquintal. What was the total price of the rice purchasedhased 16,780 quintals of rice at the rate of 525 perbottles will be |
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Answer» 1 quintal=rs 52516780 quintal=525*16780=8809500 rs 1 quintal of rice= 525 rs16780 quintals of rice= 525*16780 = 8809500 rs |
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