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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. |
Form an expression to denote theformula for the area of thegiven rectangle.Calculate the area of therectangle if / = 7 cm andw=4cm. |
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Answer» area=l×w =7×4=28cm^2 |
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| 2. |
EX.-DiaDiaIn aExercise 3.2I. Find the value-2(iv)(을)-x(3)-,131)| Like thi87 15 |
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| 3. |
(2) 0.1 (3) 10 (4) 0.0013. Which of the smallest number, amongst the followa four-digit even perfect square number?A 150er, amongst the following can be added to 1111 to |
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Answer» the options are not clear Obviously the options are not clear. |
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| 4. |
4. Find the least number which when divided by 12, 16, 24 and 36 leaves a remainder 7 in each case. |
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| 5. |
There are 80 members oflawn tere 80 members of a gymkhana. 60 of them play table tennis, 30 play(Ans. 4/9,5/9)tennis and 15 play both the games. If a member is selected at random,what is the probability that he plays (i) table tennis (ii) only table tennis(iii) both the games (iv) neither of the two games.(Ans. 3/4, 9/16,3/16, 1/16) |
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Answer» 60-15=45, 30-15=1545+15=60+15(both games player)=75total player's=80-75=55/80=1/16 answer 1/16 is the right answer |
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| 6. |
Math ke janmdata kaun hai Hindi mein jawab De |
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Answer» आर्यभट्ट aapka jawab nahi |
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| 7. |
The circumference of the Chakra of National flag exceeds its diameter by 16.8 em. Findthe radius of the chakra. |
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Answer» Circumference of chakra = 16.8 cm Chakra is in shape of circleSo it's circumference = 2*pi*rr = radius Then,2*pi*r = 16.82*22/7*r = 16.8r = 16.8*7/44 = 117.6/44 = 2.67 cm Radius of Chakra = 2.67 cm |
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| 8. |
1. (a) Find the smallest number which when divided by 18and 24 leaves no remainder(a)hlFind the smallest number which when divided by 18 andBind the smallest number that isdivisible by 24 and 56.1. |
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| 9. |
1 5 9 133'3'3'3. .. จี 154TA :613B) 6(C) 515th term of A. P. is:A)D) 191 5 9 133'3 3' 3613(B) 65D) 19 |
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| 10. |
7*11*13+13 |
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Answer» 7*11*13 = 77*13 = 1001 7*11*13+13 = 1001+13 =1014 |
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| 11. |
The largest number which divides 70 and 125, leaving remainders 5 and 8,respectively, is |
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| 12. |
wall5. The largest number which divides 70 and 125, leaving remainders 5 and 8,respectively, is |
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| 13. |
1. For what value of x, the mode of the following data is 8?4,5,6,8,5, 4, 8, 5, 6, x, 8distribution are 21 2 and 21.4 respectively. The |
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Answer» ascending order>1, 3,5,5,5,6,67,7,7x+1, 8 mode=7 x+1=7 x=6 the mode is 8 ..becoz mode is the most repeating term.. correct answer is 8 ascending order of no =1,3,5,5,5,7,7,7,(x+1), 8mode= 7x+1=7x= 7-1=6 |
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| 14. |
The largest number which divides 70 and 125, leaving remainders 5 and 8,respectively, is70-9765 |
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| 15. |
If,f:{1,2, 3, ) →(0,±1,£2, . . . .}by)then (-100) isis definedn/ 2if n is evenf n is od |
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| 16. |
In a G.P, the 3rd term is 24 and the 6th term is 192. Find the 10th terma |
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Answer» We know that an = ar^n-1 Given that 3rd term is 24 a3 = ar^2 = 24 ---- (1) Given that 6th term is 192a6 = ar^5 = 192 --- (2) On dividing (2) by (1), we getr^3 = 8r = 2 --- (3) Substitute (3) in (1), we geta * (2)^2 = 244a = 24a = 6 The 10th term a10 = 6 * (2)^9 = 3072 |
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| 17. |
f O is a point within a quadrilateral ABCD, show thatOA+OB+OC+OD>AC+BD. |
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| 18. |
f O_is a point within a quadrilateral ABCDOA+OB+OC+OD> AC+BD.s S |
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| 19. |
In figure, AD is the median of triangle ABC. E is the mid-point of AD and F is the mid-pointod AE. Prove that ar (Δ ABF)-1 ar (ABC). |
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| 20. |
8. In each of the followingeruence conditiog name the congruent triangles and state the congruenethelication1. APEx. AABE ADCE: side-angle-side (SAS).pplC DSol. GiA B(ii) c(iii)(iv) DC(v) D(vi)A EF B |
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| 21. |
/f(4x + 5) : (3x +11)-13:17, find the value of x. |
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| 22. |
bought matH450. f each textbook cy dia he buy?6 sweets. She distributed them equnren. How many sweets did each childoay many sweets are left with Neena?af fruits were loaded equally on 7 trucoxes were loaded in each truck?Omany boxes were left? |
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Answer» Boxes in each truck = 530/7 = 75 boxes remaining = 5 boxes 1 st answer |
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| 23. |
22 If 12e berm of an A.P. is-13 and the som of the first four terma ia 24, what is the sumof Srst23. If the Sch and 12th terms of an AP. are 30 and 65 pespectively,what is the suss of first 20t0 berms ?terms ? |
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| 24. |
10. A company packages its malk powder in cylindricacomaner whose base has a diameier of 14 cm and height20 cm Company places a labei around the surface ofthe contanerias shown in the figure. If the label is placedthe comncTas snown in the figure If the labei is2 cm fron sop and botiom, what is the area of the label |
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| 25. |
x + \frac { 6 x } { 5 } = \frac { 5 x } { 2 } - 6 |
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| 26. |
x : \frac { 1 } { x - 2 } + \frac { 2 } { x - 1 } = \frac { 6 } { x } , x \neq 0,1,2 |
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| 27. |
\frac { 6 x + 7 } { 3 x + 2 } = \frac { 4 x + 5 } { 2 x + 3 } |
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| 28. |
\frac { 6 } { x } + 11 = \frac { 2 } { x } + 9 , ( x \neq 0 ) |
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| 29. |
\frac{6 x+7}{3 x+2}=\frac{4 x+5}{2 x+3} \text { then } x= |
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| 30. |
Q. 1. Give one point of distinction betweennervous coordination and hormonalcoordination. |
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Answer» The biggestdifference betweenthe two is that thenervoussystem uses electrical impulses to send signals through neurones, whereas thehormonalsystem uses chemical messengers transported into blood plasma to target cells. ... This means that communication is faster when using thenervoussystem. hit the like button if the solution helped you. |
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| 31. |
113or 7?number. Find the numbers.ers is 60. The greater number is 8 more than thrice the smaller(3) Malikrrhasrd some gas cylinders fo |
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Answer» let the numbers be x and y. x=3y+8 (GIVEN) X+Y=60 (") ∴By substituting x+3x+8=60 4x=60-8=52 ∴x= 52/4=13 y=60-x=60-13 =43 |
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| 32. |
\begin{array}{r}{\text { A } B} \\ {+\quad 37} \\ \hline 6 \mathrm{A} \\ \hline\end{array} |
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| 33. |
\frac 5 x - 1 %2B \frac 1 y - 2 = 2 \text att \frac 6 x - 1 - \frac 3 y - 2 = 1 |
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Answer» 5/x - 1 + 1/y - 2 = 2..... (1)6/x - 1 - 3/y - 2) = 1......(2) Mutiply eq (1) by 315/x - 1 + 3/y - 2 = 6....(3) Add eq(2) and eq(3)21/(x - 1) = 7x - 1 = 21/7x = 3 + 1x = 4 Put value of x = 4 in eq(1)5/(4-1) + 1/(y - 2) = 21/(y-2) = 2 - 5/31/(y - 2) = 1/3(y - 2) = 3y = 3 + 2 = 5 Therefore, value of x = 4 and y = 5 |
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| 34. |
y ^ 2 %2B 2 x %2B 3 y = 7 \text att ( a %2B b ) x %2B ( 2 a - b ) y = 21 \vec w |
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Answer» a1/a2 = b1/b2 = c1/C22/(a+b) = 3/(2a-b) = 7/21=> 2/(a+b) = 1/3a+b = 6.............(1)=>3/(2a-b)=1/32a-b = 9............(2)(1)+(2);3a=15; a=5then b=1 |
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| 35. |
C) < 20220(tan20°) (cot 20°)5 + 2 tan15º tan 45º. tan75° T ATT(cosec 70°)2 (sec 70°)2(a) 4(b) 2(C) 3(d) 1 |
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Answer» (tan20/cosec70)2+(cot20/sec70)^2+2tan15tan45tan75={tan(90-20)/cosec70}^2+{cot90-20)/sec70}^2+2(tan90-15)tan45 tan 75=(cot70/cosec70)^2 + (tan70/sec70) ^2+ 2(cot75 tan 45 tan75 )=(cos 70/sin70/1/sin70)^2 +(sin70/cos70/1/cos70) ^2+2(1×1)=(cos70+sin70)^2 +2=1+2=3... |
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| 36. |
\tan A=\frac{n}{n+1} \text { att } \tan B=\frac{1}{2 n+1}tan (A + B) = 1. |
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| 37. |
12 1/2% of n =600. |
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| 38. |
. 120 of 600n of a town is 72,24,520. If 40% are females, what is the population of males? |
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| 39. |
\left. \begin array | c | c | c | \hline x & y & = 3 \\ \hline x & 3 & \square & \\ \hline y & \square & 5 & 3 \\ \hline ( x , y ) & ( 3,0 ) & 5 & ( 0,3 ) \\ \hline \end array \right. |
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Answer» For equationx + y = 3 If x = 3, y = 0(x, y) = (3, 0) If y = 5x + y = 3x = 3 - 5 = - 2(x, y) = (-2, 5) If y = 3, x = 0(x, y) = (0, 3) |
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| 40. |
क्षे ०. कर ला ] (o 05 30 Bd न93 { 3o Y &अंक : 5 ग१: बी.आई.एव.एव,आई.एल 2011/3718800ठा0व0वा:001 हीg~ v + & 9 |
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Answer» cx + d = 0=> cx = -d=> X = (-d/c) Please hit the like button if this helped you out |
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| 41. |
\left. \begin{array} { | c | c | } \hline 5 & { 1 } & { 25 } \\ \hline 6 & { 2 } & { 18 } \\ \hline 10 & { 4 } & { 25 } \\ \hline 3 & { 3 } & { ? } \\ \hline \end{array} \right. |
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| 42. |
12.The radius of a solid metallic sphere is 8 cm.The sphere is melted and recast into eight equal solid spherical halls.Determine the diameter of the balls |
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| 43. |
Metallic spheres of radius 6 cm,8 cm, and 10 cm respectively aremelted to form a single solid sphere.Find the radius of the resultingsphere.t. |
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Answer» Let r1, r2 ,r3 be the radius of the given 3 spheres & R be the radius of a single solid sphere. Given : r1= 6cm, r2= 8cm, r3= 10 cm Volume of first metallic sphere (V1)= 4/3π(r1)³ = 4/3 π (6)³ Volume of second metallic sphere (V2)= 4/3π(r2)³ = 4/3 π (8)³ Volume of third metallic sphere (V3) = 4/3π(r3)³ = 4/3 π (10)³ Volume of single solid sphere(V)= 4/3πR³ A .T.Q Volume of 3 metallic spheres= volume of single solid sphere V1+V2+V3 = V 4/3 π (6)³+ 4/3 π (8)³+4/3 π (10)³= 4/3πR³ 4/3π(6³+8³+10³) = 4/3 πR³ 216+ 512+ 1000 = R³ 1728= R³ (12×12×12) = R³ 12³= R³ R= 12 Hence, the radius of the resulting sphere = 12 cm Hit like if you find it useful! |
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| 44. |
A solid sphere of lead is melted and small shots are casted whose radius is half the28.a radius the sphere. How many small shots will be casted ? Also find the ratio of the totalsurface area of shots and the surface area of the sphere. |
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| 45. |
. How many litres of water flows out of a pipe having an area ofcross section of 5 cm2 in 1 minute, if the speed of water in the pipe is30 cm/sec? |
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| 46. |
How many litres of water flows out of a pipe of cross-section area 5 cm2 in1 minute, if the speed of the water in the pipe is 30 cm/s ? [1 litre 1000 cm) |
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| 47. |
46. How many litres of water flow out through a pipehaving an area of cross-section of 5 cm2 in oneminute, if the speed of water in pipe isIT-II (2011)]30 cm/sec? |
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| 48. |
Which barrel shown in the adjacent figure can hold more water? Give reason. |
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Answer» both have same volume 2nd barrel will hold more water |
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| 49. |
A man purchases a mobile for Rs.5400 including 8% VAT. Findits original price.2. |
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| 50. |
Apurchaseda fair-dryer for5,400 including 8% VAT. Find the price before VATwas added |
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