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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. |
Which of the followirepresent a triangle? Why?0) 40, 40°, 100° (i) 105°, 459, 90(ii) 90°,309, 60 (iv) 110, 40, 30°ng sets of angles can |
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Answer» first option is correct bcoz sum of all three angles of a triangle =180° plz like my ans is helpful for u then like it plzz |
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| 2. |
Write down the differences between latitudes and longitude |
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Answer» Latitudealludes to the horizontal lines that represent the distance of any point, north or south of the equator, its direction is east to west. On the other hand,longitudeimplies the vertical lines indicating the distance of any point, east or west of the prime meridian, its direction is north to south. Latitudes are also known as parallels while longitudes are termed as meridians. On earth’s surface, locations are determined by the two reference lines known as latitude and longitude. In fact, these are the ‘geographical coordinates’ which are used by a pilot and the ship captain, to indicate the position on the map. So, take a read of this article that sheds light on the difference between latitude and longitude. |
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| 3. |
a, ba, b,fiad the whether the lines represented byfollowing pairs of linear equations intersect at a polnt, are parallel or are coincideat,a) 5x-4y+8-07x + 6y-9-0 |
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| 4. |
Also,gives 3k-k-3k, i.e., 6h-k, which means k-OorTherefore, the value of k, thatpair of linear equation6. For this valsatisfies both the conditions, is k(ivEXERCISE 3.5. Which of the following pairs of linear equations has unique solution, no solutionely many solutions. In case there is a unique solution, find it by using ermultiplication method(i) x-3y 3 0(i) 2x ty 53x 9y-203x +2y 8 |
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| 5. |
(220) While seling a pen for Rs 24 the loss in percentage is equal to its cost price. Find the cost price of pen. The costprice of pen is less than Rs 50.e equal to the cost price of a flowerpot, when he sells it for Rs. 96. Find the cost |
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Answer» thanks for the solution provided. |
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| 6. |
ioThe cost price of 23 colour television sets is R 570055. Determine the costset if each costs the same.Thecostpriceof23colourtelesionsetsists70055,Determinethecostpriceofeach |
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| 7. |
14. The cost price and selling price of an article is in the ratio a : b. If bis 200% of a, then thof profit on cost price is |
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| 8. |
20. If the selling price of an article is 3/5 of its cost price.a. 205ts cost price. Find the loss percent?b. 25%c. 35%d. 4090 |
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| 9. |
Tmue selting pricecle was sold for 250 with a profit of 5% What was its cost price?was sold for 540 at a loss of 5%/What was its cost price? |
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| 10. |
what is perfect square method ? |
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Answer» Some quadratic equations can be solved by bringing it into perfect squares, and then taking squareroot on both sides. Asquarenumber orperfect squareis an integer that is thesquareof an integer; in other words, it is the product of some integer with itself. For example, 9 is asquarenumber, since it can be written as 3 × 3. |
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| 11. |
6m^+m=2 solve the square method |
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| 12. |
1-Xin-1-1= cos-1--121 + X1+x |
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| 13. |
α , β are roots of y2-2y-7 = 0 1111u,(1) 012 + P (2) α3 + β3in |
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Answer» y²-2y-7 =0 y = -(-2)±√(4+28)/2 y = (2±4√2)/2 = 1±2√2 sum of roots = a+b = 2 product of roots = ab = -7 now a²+B² = (a+b)²-2ab = 4-(2*-7) = 18a³+b³ = (a+b)³ -3ab(a+b) = 8+3*7*(2) = 8+42 = 50 |
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| 14. |
012 ä¸.zfTAA |
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| 15. |
012. Solve x by completing the square method.2x 5x - 2 = 0 |
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Answer» 2x^2-5x+2=02x^2-4x-x+2=02x(x-2)-1(x-2)=0(x-2)(2x-1)=0either x-2=0x= 2or 2x-1=02x=1x=1/2 2x^2-5x+2=0, 2x^2-4x-x+2=0; 2x(x-1)-1( x-1)=(x-1)(2×-1)=0, x=1; 2x=1; x=1/2 2x^2-5x+2=0, 2x^2-4x-x+2=0, 2x(x-1)-1(x-1)=0 (2x-1)(x-1)=0, x=1, x=1/2 1/2 is the correct answer of the given question |
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| 16. |
conEvaluatesin 18012Show that: |
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Answer» sin 18°/cos72°=Sin(90-18)/ cos 72= Cos 18•/ cos 18=1 |
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| 17. |
012. Prove that a cyclic parallelogram is a rectangle. |
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| 18. |
A shopkeeper sold a ceiling fan for 1152 there by gaining of its cost price. Find its cost price. |
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Answer» let the C.P be xtherefore, profit= 1/8 of x= x/8 according to the questionprofit= S.P - C.Px/8= 1152-xx= 8(1152-x)x= 9216-8xx+8x= 92169x= 9216x= 9216/9x= 1024C.P = RS. 1024 |
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| 19. |
A Vendor sello 5 lemons for a repee, gaining thereby| 40%. How many did he buy for a reppee. |
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Answer» 5 lemons per ₹1 1 lemone price=₹0.20 Profit 40% means selling price is 140% 140%=0.20 100%=0.142 1 lemon bought ₹0.142 For ₹1 no. Of lemons=7 |
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| 20. |
4254 +1420-1152 = ?(1) 4632 (2) 4522(3) 5622(4) 4432(5) |
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Answer» option 2 is the right answer option 2 is the right answer option 2 is the right answer 4254+1420-1152=?4254+1420=56745674-1152=4522 (2)=4522 ........................ 4522 is the answer................. 4522 is the right answer 4522 is the right answer (2)4522 is correct answer The correct answer is (b) |
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| 21. |
17 1152, S GBTL.GAM |
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Answer» LCM = 6840होगा152=2*2*7695=5*19171=3*3*19 |
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| 22. |
1. 25 x 63 +7+ 27 -2 का मान क्या होगा? |
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Answer» According to bodmas25 x 9+27-2225+27-2250 solution for bodmas25×9+27-2225+27-2252-2250 250 25×63÷7+27-2=250is a correct answer 25 x 63/7+27-2=>1575/32=>49.21 Sorry. It's a wrong answer. 250 25 into train set Bagh ka answer 252 |
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| 23. |
Find time when :Principal - 26400, simple interest -1152 and rate = 6% p.a. 3110 |
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Answer» 3 years is the correct answer |
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| 24. |
The volume of a solid hemisphere is 1152, u.cm. Find its curved surface area. |
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| 25. |
Find the time when: Principal = Rs. 6400, SI = Rs. 1152 and rate = 6% p.a. |
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Answer» t = 3years is the correct answer of the given question Right answer is 3 years |
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| 26. |
Fill in the blanks of the followi(0) 7 3 |
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Answer» x/y=7/3so 3x+5y=3(7)+5(3)so (3x+5y)/367x-9y=7(7)-9(3)so (7x-9y)/22 |
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| 27. |
Write the followi(a) 1 1 1x-x- |
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Answer» 1/2 × 1/2 × 1/2 =1/8 1/8 is the right answer 1/2 × 1/2 × 1/2=1×1×1/2×2×2=1/81/8 is the answer of the given question 1/8 is the answer thanks 1/8 is the right answer 1/2 × 1/2 × 1/2 = 1/8 I think the correct answer of this question is 1/8 1/8 is the right answer 1/2×1/2×1/2=1×1×1/2×2×2=1/8 1/8 is the right answer |
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| 28. |
1.Solve the followi8x-3(1) 3x 2 |
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| 29. |
picoeit the pรถlling results.11. Various modes of transport used by 1850 students of a school are givenbelow:School bus Private bus Bicycle Rickshaw By foot640360490210150Draw a bar graph to represent the above data. |
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| 30. |
The length and breadth of a hall are 21-m and 11-m, respectively. If one wants to pave the floor of th4with square tiles of side length - m, how many tiles would be required? |
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Answer» 21 3/4=84+3/4=87/4; 11 1/4=45/4; 87+45/4=132/4=66/2 33 is the correct answer |
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| 31. |
\left. \begin{array} { l l l } { 11 + ( - 7 ) } & { ( b ) ( - 13 ) + ( + 18 ) } \\ { ( - 10 ) + ( + 19 ) } & { ( d ) ( - 250 ) + ( + 150 ) } \\ { ( - 380 ) + ( - 270 ) } & { ( 1 ) ( - 217 ) + ( - 100 ) } \end{array} \right. |
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Answer» 9-6 = 3 5-11 = -6-1-7 = -8-5+10 = -5-1-2-3 = -6-2+8-4 = 2 |
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| 32. |
(11) 2JT 22+19+16+...+1 1159. (i) Find the sum of all integers from 1 to 100 which are multiples of 2013in Find the cum of all |
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Answer» 800 is the right answer 800 is the right answer to this question. 800 is the right answer to this question. |
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| 33. |
The ratio of monthly income to the savings of a family is 11 :2.If the savings be r 2500, ind18.the income and expenditure.750 in the form of rner 50P and 25 P cçoins in the ratio 5:8:4. Find the |
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| 34. |
The coefficients of the (r- 1)th, yth and (r+ 1 )th terms in the expansion of (x +1)are in the ratio 1: 3:5. Find n and r |
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| 35. |
er is 8 km/h and the speed of the stres the conditions of the problem.E 3.6ducing them to a pair of linear equation(ii)下+-=25(v) x-1y-3y- 2(vi) 6x +3y 6xy |
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| 36. |
e ratio of boys to girls in Section A of Class VI is 2:3. The ratio of boys to girls in SectionR of Class VI is also the same. If there are 18 boys in VI B, how many girls are there inVI B? Find the number of girls in VI ATh |
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| 37. |
4 11 th of a is equal to th of b, find the ratio of a to b.to-ind the ratio of011(1) 6:20(2) 20:6(3) 8:15(4) 15: 811to 15 decilitros? |
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Answer» the answer is 15:8 solved ---> 2a/5=3b/4. if we shift b to another side it got divide and shift 2/5 another side and get divided then the equation is ----> a/b = 5*3/2*4 -----> answer we get a/b= 15/8 |
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| 38. |
A circular disc of diameter 7 cm is divided in two equal parts. Find the perimeter ofeach semicircular shape disc. (Use Ď = |
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Answer» it will beπr and πr so perimeter will be 3.5*3.14= 10.99cm |
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| 39. |
- If n is positive integer then prove that in the expansion of (1+x)" The sumof coefficient of rth and (r+1)th term is equal to coefficient of (r+1)th termin the binomial exp of (1+x) n+1 |
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| 40. |
[Between1 and 31 n A. M.'s are inserted such that the ratio of the 7 thand (n - 1) th means is 5 : 9, find n.] |
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| 41. |
divide a line segment of length 8cm into two equal parts with the help of ruler and compass. |
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Answer» Hello Shabir.. Bisect the line segment by opening the compass more than half. Make two arcs intersecting each other up and two down. ...hope it helps |
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| 42. |
n x =y2 and x = 4 is divided into two equal parts by the line x = a. Find the valueINCERTof a |
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| 43. |
A piece of wire of resistance R is cut into five equal parts. These parts are thenconnected in parallel. If the equivalent resistance of this combination is R, then theratio R/R'Istal 1/25(c) 5(d) 25 |
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Answer» All the five parts are connected in parallel. ∴ Equivalent resistance (R')is given as |
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| 44. |
/ Find the average of 65,6 \frac{2}{5}, 5 \frac{3}{10}, 4 \frac{1}{5} \text { and } 7 \frac{7}{10} |
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| 45. |
6. In the number 6* 54 * 3, the same digit occurs in the place of* (asterisks). If the difference between their place values is 39,960,which digit should replace?(1) 6 (2) 3 (3) 5 (4) 4 |
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| 46. |
.8) Points P.Q.R and S in that order are dividing a line segment joining A(2, 6)andB(7,-4)infiveequal parts. Find the coordinates of P and R |
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| 47. |
\frac { \sqrt { 5 } + 1 } { \sqrt { 5 } - 1 } + \frac { \sqrt { 5 } - 1 } { \sqrt { 5 } + 1 } |
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| 48. |
(1 %2B sqrt(5))/(1 %2B sqrt(5)) %2B (-1 %2B sqrt(5))/5 %2B 1 |
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Answer» (sqrt (5) - 1)/ + (sqrt (5) +1)/ (sqrt (5) + 1) (sqrt (5) + 1) = (sqrt (5) - 1) + (sqrt (5) + 1)/ sqrt (5) +1 = 2 sqrt (5)/ sqrt(5) + 1 = 2 sqrt(5) * (sqrt(5) - 1)/ ( 5 - 1) = 1/2 (5 - sqrt(5)) |
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| 49. |
-\left| \begin{array}{lllll}{2} & {5} & {1} & {4} & {1} & {3} \\ {1} & {5} & {5} & {0} & {1} & {5}\end{array}\right. |
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| 50. |
LethSecondGroupdigitHence, the required cubetheOnes placeof cube root scubes of dube toot ofibeor any peApply itFind4913ing numbers using the estimation ms ofthe followib) 12,167c) 50,653ethod) 2.6214 |
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Answer» c. 262144 please do 4th one |
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