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. |
Round off the numbers.A. 67 B.92 C. 88 |
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Answer» a) 67-70b) 92-90c) 88-90 709090 is the correct answer of the given question is (A)67=70,(B)92=90,(C)88=90 70 90 and 90 are the answer of the following |
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| 2. |
1. In the ratio 8 13, if the consequent is 91, what is the antecedent? |
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Answer» antecedent is (8*147)/21=56 |
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| 3. |
Ex. 6.Find five rational numbers between |
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| 4. |
of two numbers are 9 and 360 respectively. If one number is 45, findthe other number |
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| 5. |
66.A soldier fires three bullets on enemy. The probability that the enemy will be killed by onebullet is 0.7. What is the probability that the enemy is still alive? |
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Answer» probablity that person is not killed by 1 bullet is 0.3 that by 3 bulet is (0.3)^3=0.027 |
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| 6. |
which of the following is reducible fraction? 105/112, 104/121,77/72,46/63 |
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| 7. |
ONLY THE BEST OF FRIENDSANDTHE WORST OF ENEMIESVISIT US |
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Answer» Please upload a question. |
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| 8. |
The ratio of boys and girls in any class is11:13. If 8 girls and 4 boys joint the, ratiobecomes 4:5. Find the number of students. |
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Answer» Let the ratio be 11x and 13xBtQ,11x+4/13x+8 = 4/5=> 55x+20= 52x+32=>3x= 12=>x= 4.•. Total No of Students= 44+52= 96New No of Students= 108 ... 81 to 108 b) 98 to 63 c) 33km to 121km= 4945.174 INR |
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| 9. |
Two numbers are in the ratio 8 :3. If the sum of the numbers is 143, find the numbers.2 |
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| 10. |
1. Two numbers are in the ratio 8 : 3. If the sum of the numbers is 143, find the numbers |
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| 11. |
1. Two numbers are in the ratio 8:3. If the sum of the numbers is 143. find the numbers. |
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Answer» 8x+3x = 14311x = 143x= 143÷11x = 13 Let the ratio be 8x and3x8x+3x=14311x=143x=143/11x=13 13 is the correct answer of the given questions |
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| 12. |
1. Two numbers are in the ratio 8: 3. If the sum of the numbers is 143, find the numbers. |
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| 13. |
EXEHCISE 88Two numbers are in the ratio 8 :3. If the sum of the numbers is 143. find the numbers |
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| 14. |
two numbers are in ratio 8:3.if the sum of the numbers is 143,find the number |
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| 15. |
Lilli has Rs. 1000. This is 3/8 of the amount she earned. How much did she earn? |
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Answer» 3x/8 = 1000 x = 8000/3 = 2666.666 |
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| 16. |
5. At the rose garden, Kai saw 29 rosen. 15 of themwere red. The rest of the roses he saw were yellowHow many roses were yellow? |
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| 17. |
5. The ratio of two numbers is 2 3. If two issubtracted from the first number and 8 from thesecond, the ratio becomes the reciprocal of theoriginal ratio. Find the numbers. |
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| 18. |
99Which of the following numbers is in standard form?(a) 32.63 x 104(b) 326.3 x 10(c) 3.263 x 10 |
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Answer» c is the right answer |
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| 19. |
. (a) The equatorial radius of the Earthis the distance from the centre ofthe Earth to the Equator. It is about6378.5 km. Find the equatorial radiusin metres, expressing your answer inscientific notation. |
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Answer» 1km=1000m6378.5km=6378500m |
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| 20. |
questions.1. Answer thea// What region does the equatorial forests lie in? |
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Answer» Ans :- Equatorial regions are found 5–10° north and south lattitudes of the equator and these regions are characterised by high temperature, high humidity and extremely high rainfall. There are no distinct seasons as a result of which climatic conditions remain more or less the same throughout the year. These regions are characterised by the presence of a thick population of evergreen trees along with a diverse population of fauna. Some regions that fall in the equatorial regions include: Amazon basin Congo basin Niger basin regions of South east Asia |
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| 21. |
ubc is -ac.EXERCISE 8B1. If a = 2 and b = 3, find the value of(i) a + b 2(iv) 2a 3b(ii) a + ab(v) 5a2-2liat |
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| 22. |
And Ihe zero ef the poly homed χ+--2 andverify咔he旮elation I etuHeen 2emes and "coefficient |
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Answer» x^2 + x/6 - 2 = 06x^2 + x - 12 = 06x^2 + 9x - 8x - 12 = 03x(2x + 3) -4(2x + 3) = 0(3x - 4)(2x + 3) = 0x = 4/3, - 3/2 Sum of roots = - b/a = - 1/64/3 - 3/2 = 8-9/6 = - 1/6 Product of roots = c/a = - 12/6 = - 24/3*-3/2 = - 2 |
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| 23. |
1 LILLI OYUTER13. The cost of 25 kg of rice is 5 1070 what is the cost of 5 kg of rice.14. If the annual pay of Raghav is J 97824. what is the monthly income? |
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Answer» 25 kg=price 1070; =42.8, 5x42.8=214:00, (14) annual pay=97824/12=8152 ; monthly income=8152=00; 8152=00 is the correct answer |
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| 24. |
GAMES PECअंकगः ।वर्ग-वर्गमूल एवं घन-घनमूल29. यदि 289 x = तो ४ का मान होगा(a) 7225 (b)} (c)R.R.B. अजम30. निम्नलिखित समीकरण में प्रश्नचिन्ह (?) के स्थान पर कौन सी संख्या आम प(C) 36(b)27(a) 72 |
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Answer» 7225 is the answer. parai pe thik se diyan do |
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| 25. |
DATEPAGEModelolVeSaw C |
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Answer» tq |
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| 26. |
A plane is flying at the height of 5000 m above the sea level. Ar!particular point, it is exactly above a submarine floating 1200 m belowthe sea level. What is the vertical distance between them? |
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Answer» 5000+1200=6200m is the exact vertical distance between them dear friend ,planes height = 5000m sea level = 0m submarine's height = - 1200 m distance = 5000 - ( - 1200 m) = 5000 + 1200 = 6200 m 5000 + 12000 = 620 metre is vertical distance between them A plain height above = +5000A submarine floating below = -1200 m = 5000 - ( - 1200)= 5000 + 1200 Vertical distance between = 6200 m |
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| 27. |
Qus.1.UseEuclid's division algorithm to find HCF of:(i) 135 and 225, (ii) 196 and 38220,867 and 2 |
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Answer» thanks |
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| 28. |
LCM of 867 |
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Answer» 867/3=289/17=17; 17x17x3=289 3 x 17 x 17 =289×3=867 3×17×17=867is the correct answer |
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| 29. |
EXERCISE 1.11. Use Euclid's division algorithm to find the HCF of:(i) 135 and 225(ii) 196 and 38220(iii) 86782. Show that an |
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| 30. |
4. A plane is flying at the height of 5000 m above the sea level. Aparticular point, it is exactly above a submarine floating 1200 m belokthe sea level. What is the vertical distance between them? |
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Answer» 5000+1200=6200 Distance of the flight above the sea level = 5000m Distance of the submarine below the Sea level = -1200m Vertical distance between flight and Submarine = | 5000 | + | - 1200 | = 5000 + 1200 = 6200 m |
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| 31. |
4. A plane is flying at the height of 5000 m above the sea level. Atparticular point, it is exactly above a submarine floating 1200 m belosthe sea level. What is the vertical distance between them?! |
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Answer» According to the given problem , Distance of the flight above the sea level = 5000m Distance of the submarine below the Sea level = -1200m Vertical distance between flight and Submarine = | 5000 | + | - 1200 | = 5000 + 1200 = 6200 m |
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| 32. |
53+34 |
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Answer» Hii mate, your answer is here- 53+34=87 √💯 |
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| 33. |
*dimplifythe2+5334 |
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| 34. |
There are 485 boys and 343 girls in a school. How manystudents are there altogether in the school? |
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Answer» 485+343=828so there will be 828 students in that school 485+343=828so there will be 828 studenta in that school.it is the correct answer. Number of Boys = 485Number of Girls = 343 Total number of students = 485 + 343 = 828 ANS.. 828 is the ans......... 828 student .......... 828 students are there; 485+343=828so there will be 828 students in that school |
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| 35. |
2) The cost of 10 kg of rice is485. Find the cost 14 kg of rice.Solution |
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| 36. |
(iV) (4x + 5) (4x -1) |
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Answer» thank you |
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| 37. |
R Mark)elationQ 1. A number when divided by 53 gives 34 as quotient and 21as remainder. Find the number. |
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Answer» Let the number be xThen,x = 53*34 + 21x = 1823 Therefore number is 1823 |
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| 38. |
3. Fill in the blank:(a) 369369(c) -91 รท( )=-7(e) 64 รท ( )=-16(b) (-65)รท( )=13 |
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Answer» 1) 369 ÷ (1) = 3692) (-65) ÷ (-5) = 133) - 91 ÷ (13) = - 74) - 84 + (85) = 15) 64 ÷ (-4) = - 16 |
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| 39. |
13. Find all the zeroes of the polynomial 2x -13+ 72 +13r -7, it being given that two of itszeroes are (3+2) and (3- 2).ofthe orm 64 oră +2or6 +4 where a is a positive integer. |
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| 40. |
R 289 <X = Sâl AT x 1 T B |
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| 41. |
1. If-/289 +/x=1, then x is equal to : |
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| 42. |
( x ^ { 4 } - 8 x ^ { 2 } y ^ { 2 } + 16 y ^ { 4 } ) - 289 |
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Answer» [(x²)² -2×x² ×4y² + (4y²) ] -17²= (x²-4y²)² -17²= (x²-4y²-17) (x²-4y² +17) |
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| 43. |
\frac{(867+289)^{2}-(867-289)^{2}}{(867 \times 289)}=? |
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| 44. |
23. Aplane is flying at the height of 5000 m above the sea level. At a particular point, it is exactly above a submarine floating 1200 m belowthe sea level. What is the vertical distance between them?INCERT) |
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| 45. |
4. A plane is flying at the height of 5000 m above the sea level. At aparticular point, it is exactly above a submarine floating 1200 m belowthe sea level. What is the vertical distance between them? |
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Answer» plane fly=5000msubmarine floating below,=1200 ....5000+1200=6200 As its flying at 5000msubmarine is at 1200mtotal distance= 5000+1200= 6200m 5000-(-1200)- 6200 is the final answer |
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| 46. |
Atlantic Ocean and Pacific Ocean meet at point but they don't mix.why? |
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Answer» It'snot twooceansmeeting, its glacial melt water meeting the off shore waters of gulf of Alaska. Thereason for this strange phenomenon is due to the difference of water density, temperature and salinity of the glacial melt water and off shore waters of gulf of Alaska, makingitdifficult tomix. can you explain in detail manner |
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| 47. |
\int 2 x ^ { 7 } d x \text { on } \mathrm { R } |
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| 48. |
\int 2 x e^{x^{2}} d x \text { on } R |
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| 49. |
xvii) 3(x-4)+5(x-3)=(2x-5)(4x-1)-40 |
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Answer» 3x-12+5x-15=8x-5-403x+5x-8x=-5-40+12+158x-8x=-45+27x=-18 -18 is the right answer |
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| 50. |
In ∆ABC, as shown in the following figure,Side BC is extended through C to D, m<ACD=6x+40°, m<BAC=3x+30°m<ABC= 4x+5. Find m<ACB. |
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