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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. |
35. Conjugate of3-i |
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| 2. |
& sings 3 el cos A o tuna de___मान जार करा084'sबा भान जारी करी।-+05030tan As codeA B = 90 |
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Answer» tanA=cotBtanA=tan(90-B)A=90-BA+B=90 |
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| 3. |
o ‘, _ उदाहरण 6 : आकृति 3.31 में, प्ादा.? एक समांतर चतुर्भुज है। दिया है (लंबाई ८0) में है):: 084 और प्रा... हट से 5 अधिक है। 01 ज्ञात कौजिए।कि. T K |
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| 4. |
2-10 084 (9 |
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Answer» 100 you have to do multiplication then addition and lastly subtraction.(PEMDAS) 10-100+1020-100-80 |
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| 5. |
42. Problem Figures2Answer Figures4Space fo |
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Answer» option d is the correct answer |
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| 6. |
the31. Write a unit vector nthe anectFind the position vector of the mid-point of the line segment AB, where A is(3, 4, 2) and Bis the point (1, 2,4)2.CBSE |
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Answer» thanks |
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| 7. |
a man bought a mixer for rupees 7680 the price included 28% GST find the original price |
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Answer» 7680×28/100=7680x0.28= 2,150.4 7680×26\100=2150.4 answer 5529.6 is the answer 7680 is cost 28%GSt7680×28/100= 2150.4 removing gst we get original cost ie=7680-2150.4 =5529.6 7680×26\100=2150.5 answer 2150.4 the correct answer of the given question let original price = x rs.so,X×28%+X=7680(28X/100)+X=7680128X=7680×100X=(7680×100)/128X=60×100X=6000 rs.so the original price is 6000 rs. ans. 2150. is the answer of the following this question answer 2150 is the correct answer of the following question 2150 is the right answer |
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| 8. |
7. An air conditioner was bought for 21800. If 9% tax is included in the price, find the original priceof air conditioner. |
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Answer» your answer is total price RS 20000 Let original price be xso9%of x+x=21800x=21800×100÷109x=20000So the original price was Rs.20000 Yes |
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| 9. |
X=3+6-2x, find the right answer |
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Answer» 3x=9X=3 is the right answer x=3+6-2xx+2x=93x=9x=9/3=3 |
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| 10. |
ELONE(31(b) Dinesh boy an article for 374, which included a discount of 15% or themarked price and a sales tax of 10% on the reduced price. Find the marketprice of the article |
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| 11. |
Dmesh bought a T-shirt for? 464, which included a discount of 15% on the marked price and a sales tar of10% on the reduced price. Find the marked price of the article. |
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| 12. |
14. IfGST is included in the price, ind the actual price of each of thech oS. No. Itemamount(in) Original Price( in)Diamond10.300(n) | Pressure cooker | 12% | 3,360(m) | Face powder | 2800 | 2563% |
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Answer» i) 10300 + 10300*3/100 = 10300 + 309 = 10609 rupees |
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| 13. |
Ramu sold a plot of land for 2,40,000 gaining 20%. For how much did he purchase the plot? |
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Answer» Cost price = ( 100/(100 + gain%)) * Selling price = 100/100+20 * 240000 = 100/120 * 240000 = 200000. |
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| 14. |
4+281 |
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Answer» the answer would be 285 |
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| 15. |
281 - 4 \times [ 115 \div 23 \times 8 - 4 \times ( 7 + 2 ) ] |
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| 16. |
Mark (✓) against the correct answagainst the correct answer in each of the fol1. 150% of 15 + 75% of 75 = ?(a) 75.75 (6) 78.75 (c) 135 (d) 281-25 |
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Answer» The answer is 75.75 because first take 150% of 10 and then 75% of 75 and then add them 78.75 is the correct answer 78.75 is the correct answer First take out 150% of 15 and 75% of 75 and add them.. 78.75 is the correct answer |
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| 17. |
PROBLEM FIGURES25.ANSWER FIGURESPROBLEM FIGURES |
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Answer» The correct answer to the question is option (E). |
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| 18. |
WK 41 281-084SS Feet229 Feet= AREA R5o Fect? |
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Answer» 154feet is the answer for the question |
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| 19. |
4. Write the complementary of each(a) 31(b) 630(c) 82 |
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Answer» Complementary angle is the angle with which the sum will become 90. a) x+31=90 x=59 b) x+63=90x=27 c)x+82=90x=8 |
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| 20. |
- Y 50:V100 + 09500 = iyT+ v s - V500o T v 00+ 1 =V 09500 Ligap ()हि करे |
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Answer» Like if you find it useful |
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| 21. |
ind conjugate of Z-3+4i. |
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Answer» Conjugate means change the sign of imaginary part conjugate of 3 + 4i is 3 - 4i If you find this answer helpful then like it. |
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| 22. |
5x=10, what is the right answer |
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Answer» x=2 is the right answer |
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| 23. |
कुदि 0.6 से Yor मस्धि दा मॉर 8.८ सं २०५ ध्वज8: ८. कया" छेग' |
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| 24. |
Ramu sold a plot of land for 2,4o,ooogaing20%.for how much did he purchase the plot |
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Answer» SP=240000Gain=20%so CP=240000/1.2=200000 |
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| 25. |
A Man bought a niver yor Rs. 78 7680, the Priceincluded 281.61579 Find the original Brice? |
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Answer» 7680 ×28% 7680 ×28/1002150.4 original price =7680 -2150.4 =5529.6 7680×28/100=2150.4 original price =7680-2150.4=5529.6 5529.6 is the correct answer of the given |
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| 26. |
The weightthe weightofof10 boxes is 12 4 kg. FindI bou . |
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| 27. |
31 Write the conjugate of (3 -4) |
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Answer» By definition the conjugate of (a+bi) is (a−bi) For (3 - 4i)^2= (9 - 16 + 24i)= (-7 + 24i) Thus conjugate of (-7 + 24i) is (-7 - 24i) |
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| 28. |
Find the conjugate of i\root 3 - 1. |
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Answer» it would be √3i+1while finding conjugate we change the sign of complex part |
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| 29. |
27.8he value of sin 37° sec 53° is:(iv) of these |
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Answer» Please like the solution 👍 ✔️ Thanks |
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| 30. |
Two trees A and B are same side of the river. From a point C in the river the distance trees A and B are 250m and 300 m respectively. If the angle C is 45°. Find the distancebetween the trees. (use root2 = 1.44) |
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Answer» InΔABC∠C = 45AC = 250 mBC = 300m by applying the cosine rulea²= b² + c² - 2bc cos Aso,AB² = AC² + BC² - 2 AC BC cos C= 250² + 300² - 2 x 250 x 300 x cos 45AB²= 46433.98taking under rootAB = 215.5 m |
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| 31. |
Divide 540 flowers in the ratio 4:5 |
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Answer» Ratio is 4:5 suppose parts are 4x and 5x 4x+5x = 540 9x = 540 x = 60 parts are 240 and 300. |
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| 32. |
Avendor buys lemons ator loss per cent.25 per dozen and sells them at the rate of 5 for12. Find his gain |
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| 33. |
Q.7. In a group of 400 people, 250 can speak Hindi and 200can speek English. How many people can speak bothHindi and English ? |
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| 34. |
Q.7. In a group of 400 people, 250 can speak Hindi and 200can speek English. How many people can speak bothHindi and English? |
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Answer» 150 people can speak both Hindi and English |
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| 35. |
(u) RamuQ-2 Area of base of cylinder is 1386 cm2. If its height in 13 em then what will be thevolume? |
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| 36. |
)Write the conjugate pair of 2V3-เร็ |
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Answer» Conjugate pair of 2√5+√3 is 2√5-√3 |
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| 37. |
the conjugate of:1 V-4 + 7i |
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Answer» i√-4+7i =2i.i+7i=-2+7i It's conjugate is -2-7i. |
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| 38. |
2. Rahul is 24 years younger than Ratan. Ifsum of their ages is 66, then find their agesafter 5 years. |
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Answer» let rahul age is x ratan age = x+24x+x+24=662x=66-24=42x=42/2=21rahul age 21ratan age 21+24=455 years afterrahul age be 21+5=26ratan age = 45+5=50 rahul agr= x + 24.x+x+24=66; 2x+24=66; 2x=66-24=42; x=42/2=21; Rahul age=21; Satan age=21+24=45 ; 5 year Rahul age=21+5=26; Satan age= 45+5=50; |
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| 39. |
i) Write the conjugate pair of 35 |
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Answer» The conjugate pair is √3 + √5 |
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| 40. |
o make 20 shirts of the same size. How much cloth42 metres or. chou s reqtired tWI42mbe required to make 36 shirts of that size? |
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Answer» Cloth for 20 shirts=42 metersCloth for 1 shirt=42/20Cloth for 36 shirts=(42/20)*36=75.6 metres |
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| 41. |
36. Statements.Some roses are flowers.All leaves are plants.Some flowers are buds.All buds are leaves.ConclusionI. Some plants are flowers.II. Some roses are buds.III. No leaves are roses.IV. No roses are buds.Only I followsOnly I and II followA.B.COnly I and either II or IV follovwD.E.Only either II or IV follows of these |
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Answer» option B is right in this |
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| 42. |
A flowerist buys 100 dozen roses at rs 2a dozen.By the time the flowers are delivered,20 dozen roses are mutilated and are thrown away.At what price should he sell the rest if he needs to make a 20% profit on his purchase ? |
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| 43. |
EXERCISE 20BFind the volume, curved surlace area and total surface area of each of the cylinders whosodimensions areI.(1) radius of the base 7 em and height 50 emu) radius of the base 56 m and height 1.25 m(lil) radius of the base 14 dm and height 15 m |
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Answer» thank |
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| 44. |
Lisa's grandfather is 61 years old.Her aunt is 28 years younger thanhim. How old is her aunt? |
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Answer» Lisa's grand father age =61 yearsher aunt age=79-28 years79-28=51so her aunt age is 51years Let the age of Aunt = X , but grandfather is 28 years older than her Aunt so, x+28 = 61 => x = 61-28 = 33 Aunt is 33 years old. |
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| 45. |
Came number.5 subtracted from the product of b and 2 |
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Answer» y multiply by z =yz5 subtracted from yz=5-yz |
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| 46. |
- is the conjugate sard of 6+47. 2True/Fale) |
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Answer» true |
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| 47. |
e area of a rectangle is 192 ㎝2 and its perimeter is 56 cm. Find thedimensions of the rectangle. |
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| 48. |
A sector of 56°, cut out from a circle, contains 17.6 cm2. Find theof the circle. |
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| 49. |
14. The area of a rhombus is 119 cm and its perimeter is 56 cm. Find lts helght, The arca of |
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Answer» thanks |
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| 50. |
ase and height.he area of a rhombus is 119 cm and its perimeter is 56 cm. Find its altitude.ide and corresponding altitude of a parallelogram are 50 cm and 8 cm. If the other |
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Answer» Area of rhombus - 119cm ² We know that all sides of rhombus are equal. So, Perimeter - 56 cmOne side - 56 ÷ 4= 14 cm so, one side =14 cmAltitude=14cm Base = 14cm Let altitude=x A. T. Q14×x=119x=119÷14x=8.5cm |
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