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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. |
"करण से7. बहुपदों p(3), g (x), q (3)विभाजन एल्गोरिथ्म को सन्तुष्ट करत(i) घात p (3) = घात q (3)(iii) घात (ar) = 0- ये उदाहरण ५ ५ ||[NCERT EXERCISEका सन्तुष्ट करते हों तथा५ () (ii) घात g (3) = घात। (x) |
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Answer» sorry i didn't know the answer of this question. please like please write question in English |
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| 2. |
18, 20, 24, 32,?AP35(B) 48(ะก) 31 .(D) 46 |
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Answer» 18 + 2 = 2020 + (2)^2 = 2424 + (2)^3 = 3232 + (2)^4 = 48 option b is the answer |
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| 3. |
UrFind the difference of the areas of a sector of angle 120° and its corresponding majoncircle of radius 21 cm. |
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Answer» Difference in areas = (22/7 x 21 x 21 - 120/360*22/7 x 21 x 21) cm^2= (1 - 1/3)(66x21) cm^2= 66x7x2 cm^2= 924 cm^2 |
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| 4. |
find the least number divisible by 15, 20, 24, 32 and 36 |
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| 5. |
32 x 32 |
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Answer» 32×32=1024(basic multiplication) |
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| 6. |
2 x ^ { 2 } - 7 x - 32 |
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Answer» 2x²-7x-39 2x²+6x-13x-39= 2x(x+3) -13(x+3) = (2x-13)(x+3) |
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| 7. |
ŕ¤-3 x+343 x-3+6 |
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| 8. |
Preto+ x- 32_ |
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Answer» check out mysolution |
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| 9. |
Ans.lui Julace dled Ur Solid cylinder is 1628 cm.the radius of the base of a right circular cylinder is halved, keeping the height same, what isshe ratio of the volume of the reduced cylinder to that of the original? |
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| 10. |
हरण-3. सिद्ध कीजिए किP3/2Jo1+tanx |
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| 11. |
5. The temperature in an evening on a day decreased from 17°C at 4:00 p.m. to -7°C at 10:00 p.m.Find the number of degrees, the temperature decreased each hour if the same amount decreasedeach hour? |
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Answer» the temperature decreasing 2℃ per hour |
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| 12. |
U UR 3Uper cm.polynomial 9x-3x’ +15x-3 by (3x-1) and find its quotientand remainder. |
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Answer» 2 3xx+5x ok this answer quotient 3x+5 remainder 2 its quotient will be 3xsquare +5 and rmainder will be 2 quotient 3x+5 remainder 2 8s the right answer 9xSquare -3x square+15x-3 ko 3x-1 , 3x^2+5-3 Remainder is two and ye sahi he mera answer quotient is 3x^2+5 and remainder is 2 quotient=3xx+5reminder=2 quotient =3x²+5x. Remainder =2 quotient 3 quotient= 3x²+5remainder=2 2 is the correct answer remainder=2 and quotient =3u^2+5u |
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| 13. |
84) write the greatest 6 digio nubes hameig 3 differentdisits |
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Answer» Since we have towrite the greatest 7-digit number having 3 different digits, we will pick upthe three greatest digits 7, 8, 9 out of thedigits0, 1, 2,3, 4, 5, 6,7, 8 ,9. Therefore, thegreatest 7-digit numberis 9999987. greatest 7 digit no. having 3 different digits is 9999987 |
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| 14. |
cured 0 runs more than Dhoni, find) the score of thethe runs scored by Sachin. eAman's salary was raised byhis salarv10% and then reduced by 10%, Find the percentage change inA's salary is 50% high |
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| 15. |
saftie aSI6. A number decreased by 30 is the same as 14decreased by 3 times the number. Find the 16number |
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| 16. |
EXERCISE 13.3Assume z unless stated otherwise.Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its cursurface area. |
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| 17. |
3. 5 children collectedeach child collect?735 for a picnic. How much money did |
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Answer» No of children=5Amount=Rs 735Money for each child=735/5=147Rs |
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| 18. |
9 x²-32-2=0 |
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Answer» hshsjssnjzjdfj djjdjf you to come home for lunch at the moment so answer 12/18or -6/18 answer the question according12/19or-6/18 answer is -6/18 for this the answer is+6;-3 is right answer |
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| 19. |
-+x^+32+ = 0 |
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Answer» -4x²+324=0-4x²=-324x²=-324/-4x²=81x=√(81)x=9 w +-9 is the only correct answer of this question x=9is the correct answer 9 is the correct answer x = 9 is the correct answer -4x^2+324=0-4x^2= -324x^2= 81x=√81= +-9 x = 9 is the best answer. x=9 is the right answer |
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| 20. |
owal) >3. In the given figure, POR is a right augled ur angle in which Q90IfQS PR, show that PR 4PS2 3PQR. |
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| 21. |
32-43 x+4-0 |
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Answer» Compare with a² -2ab + b² = (a-b)² 3x² - 4√3x + 4 = 0 (√3x)² - 2 × (√3x) × 2 + 2² = 0 (√3x - 2)² = 0 So, x = 2/√3 |
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| 22. |
7.Mr Arun earns 35,500 per month. He spends 70% for25% on children and saves the rest. How much money did Arun save?household expenses, / |
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Answer» chub be ,,,,,,,,,,....................................mmm.. answer .e ha....... answer de kyo hglhlght7usktudjRrot bewakuff |
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| 23. |
7. Mr Arun earns 35,500 per month. He spends 70% for household expenses25% on children and saves the rest. How much money did Arun save? |
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Answer» sorry par 35500 likha hai 35000 nahi hai |
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| 24. |
Simiplify.84 6 |
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Answer» -9/42-5/21+3/84+1/6-9*2/42*2-5*4/21*4+3/84+1*14/6*14-18/84-20/84+3/84+14/84-18-20+3+14/84-21/84=-1/4 |
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| 25. |
p3 3p32. If a b p and abq prove that |
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| 26. |
. The average height of 7 basketball players180 cm. When two players of the same heithe team, the new average height of the remaplayers becomes 180.4 cm. What was the hethe two players who left the team? |
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| 27. |
9. What least number must be added to 1056 to get a number exactly divisible by 2011. |
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| 28. |
7.A) Construct the bar.graph for the following table.Players Sachin Ganguly Yuvaraj SehwagRuns 120 80 T 89. I 53Players |SachinKohli45 |I |
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Answer» In the figure, if line parallel line m and line n is the transversal then find the value of a and b. |
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| 29. |
7. In how many ways can we select a cricket eleven from 17 players in which,-can bowl. Each team must include exactly 2 bowlers. |
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| 30. |
20. What must be added to4.32so that the resultantexactly divisible by x2 |
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Answer» X |
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| 31. |
algorithm.8. What least number must be subtracted from 13601 to get a number exactly divisible by 87?11-11.1956 to get number cyctly divisible by 232 |
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| 32. |
A man has 7 friends. In how many ways he can invite one or more of them for a tea party(A) 128(C) 127(B) 256(D) 130 |
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Answer» Each of the 7 friends could be present or not present (2 cases) at the party giving total of2^7scenarios. Since at least one must be present we exclude the case that none of them is present. So the answer would be: 2^7−1=127. |
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| 33. |
2—2ak19041 915 हि: © (2 LT LD 16 Rl4६ 1bG) B |2 kb Oy Lkl 1 \e ही कु >ए 120 & 9 |
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| 34. |
secretary and dno person canA man has 6 friends. In how many ways can he invite one or more of his friends ata dinner?hold more than one ofhcefalse statements in a question paper. How many sequences of |
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Answer» 1 friend can be selected out of 6 in 6C1 = 6 ways 2 friends can be selected out of 6 in 6C2 = 15 ways 3 friends can be selected out of 6 in 6C3 = 20 ways 4 friends can be selected out of 6 in 6C4 = 15 ways 5 friends can be selected out of 6 in 6C5 = 6 ways 6 friends can be selected out of 6 in 6C6 = 1 ways Therefore the required number of ways (combinations) = 6 + 15 + 20 + 15 + 6 + 1 = 63 |
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| 35. |
0. fi/’a/m/ o Rl [28८८८ 2 2 | गमe /SR |
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Answer» Vertically opposite angles are equal |
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| 36. |
Find the vaiue ur3. In a triangle ABC, there are, 4 and 5 points on side AB BC, CA respectively. Howmany triangles will be formed by these points?antains two white, three black and four red balls. Determine the number of ways |
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| 37. |
3. The value of 32 x 0 =a) 32 b) 320c) O |
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Answer» option c(0) is the right answer the value of this is 0 32 *0 = 0So (c) is the correct option. option (C) is answer 0 is the answer ok c is the correct answer option c = 0 is right answer option c is the right answers bro zero is the right answer option B option c- is correct answer Value of 32 × 0 is equal to 32 0 is the correct answer means option (c) Please like my answer if you like it👍👍👍 😎😎 the answer is is is is 0 the value of this question is 0 option c is right yaani ki 0 value of (c) curect answer 0 32×0=?answer is 0 thaks very simpal c) 0 is right answer !! c) 0 this is the right answers value is 0 please like it options c (0) is the right answer The value of 32*0 is zero(0) c)0 00000000 option (c) is right andwer the value of 32 × 0 = 0 options c the value of 0 0 is an right answer The answer of 32×0 =a ) 32 no b) 320no c) 0is correct value of 32×0= 0 as all the number which are multiply divide by zero is zero option 32 is correct answer 0 Is correct answer option (c) 0 is answer kisi bhi number ka 0 me multiple kare to uska answer 0 hi aata hi the correct answer is zero The value of 32 × 0=0 option c (0) is correct the correct answer zero right answers is c) 0 The value of 32×0=_______a)32. (. )b)320 (. )c)0. (.✓) The value of 32×0=0 0 is correct answer any value multiply by 0 is 0so ans is 0 32*=0so(c) is tha correct answer option number is (c) is the correct answer 0 because if some number is multiplied with 0 so answer will 0 option (a)32 is the correct answer 0 option c is the right answer the anwer is 0 as any number multiplied by 0 results in 0 itself (c)=0 is the right answer answer for this question is 0 0 is the right answer option c is right =(0) the value and the answer is 0 32 is answer your question option (c) is correct 0 is the right answer for this question 32×0 c) 32 × 0 = 0 correct answer 0 this is your answer 0 is the correct answer as it is a property a*0=0 it's 0 Answer Anu Grade 7 c is the correct answer |
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| 38. |
What least number must be added to 1056 to get a number exactly divisible by 23?to make it divisible by 3.432 x-71 |
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Answer» 1056%23= 21 (When 23 devides 1056 we get 21 as reminder)So, 23-21 = 2 must be added to 1056 in order to make sum completely divisible by 23. 1058%23 = 0 Ans. 2 |
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| 39. |
14. Find the least number divisible by all the number from 1 to10 (both indusive) |
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| 40. |
32. If a + b p and ab q prove that-2-32p"a b |
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| 41. |
the edge of a cubical box is 2.4cm. find its volume? |
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Answer» Given edge of cubical box = 2.4 cm Volume of cubical box= (edge)^3= (2.4*2.4*2.4)= 13.824 cm^3 Given ,the edge of cubiacal box is 2.4 We know that volume of a cube of edge length 'a' is a³ →required volume = (2.4)³=13.824 therefore, the volume of cubical box is 13.824 |
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| 42. |
verify a-(-b) a + b for the following values of a and b0 a - 32,b-18 ( a 275, b 112 (i) a 78, b846. Use the sign |
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Answer» 1)a=32 b=18hence32-(-18)=32+1850=50 2)a=275 b=112275-(-112)=275+112387=387 |
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| 43. |
U (B) D 0(C) D2O(D) D<0+ bx +g(A) 8(C) 32(B) 16 |
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| 44. |
17, A money box contains one-rupee and two-rupee coins in the ratio 5 : 6. If the totalvalue of the coins in the money box is 85, find the number of two-rupee coins.158 |
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Answer» Let the no. of 1 ruppe coin be 5x and the no. of 2 ruppe coin be 6 xtotal money =5x×1+6x×25x+12x=8517x=85x=5the no. of one rupee coin is 25and the no. of 2 ruppe coin is 30 Please like the solution 👍 ✔️👍 |
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| 45. |
=2a. PRNe™ Rl |
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Answer» 12800×15/200×3128×15/2×364×15×3=64×45=2880 |
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| 46. |
15) What least number should be added to theleast number of four digits, so that theresulting number is exactly divisible by 897(a) 78 (b) 58 (c) 68 (d) 98 |
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Answer» Since 1000 is the smallest 4-digit number. But smallest four digit number exactly divisible by 89 = 1068 Therefore, we need to add 68 to it to make the smallest 4 digit number divisible by 89. (c) is correct option |
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| 47. |
(800 Rl LT |
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Answer» 11sin70°/7cos20°-4cos53°cosec37°/7tan15°tan35°tan55°tan75° =11sin70°/7cos(90°-70°)-4cos53°cosec(90°-53°)/7tan15°tan35°tan(90°-35°)tan(90°-15°) =11sin70°/7sin70°-4cos53°sec53°/7tan15°tan35°cot35°cot15° =11/7-4/7 =1 Like my answer if you find it useful! |
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| 48. |
| pibb Rl 1 [_” + ४1० 12/ ला + |
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| 49. |
iRl=+28B2-3 |
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Answer» (1/2 + 1/3) ÷ (1/4 - 1/6) - [8 - {5 1/3 - (3 - 2 1/2)}] = (3 + 2)/6 ÷ (3 - 2)/12 - [8 - {16/3 - (3 - 5/2)}] = (5/6) ÷ (1/12) - [ 8 - {16/3 - 1/2}] = (5/6)*(12) - [8 - (32-3)/6] = 10 - [8 - 29/6] = 10 - [48-29]/6 = 10 - 19/6 = (60 - 19)/6 = 41/6 |
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| 50. |
के 15T “. ip. | Rl Ry B - -- ARbA, = M % |
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Answer» a=3d=5an=a+(n-1)d78=3+(n-1)580=5nn=16 |
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