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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 25051. |
If sinA+cosA=1 then secA+cosecA=? |
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Answer» {tex}SecA= 1/cos A and Cosec A= 1/Sin A{/tex}Sec A + Cosec A = 1/Cos A + 1/ Sin A = Sin A+ Cos A/Sin A. Cos A = 1/ SinA. Cos A as SinA+ Cos A= 1 (Given) = Sec A. Cosec A secA×cosecA |
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| 25052. |
For what value of k is -2 a zero of polynomial 3x^2 +4x+2 |
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| 25053. |
State the. Flemiñg. Left. Hand. Rule |
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Answer» In our left hand when we stretch our three fingers that is the thumb ,middle and forefinger mutually perpendicular to each other and if our middle finger shows the direction of current and our forefinger shows the direction of magnetic field then our thumb will represent the direction of magnetic force. Fleming\'s Left Hand Rule. It is found that whenever an current carrying conductor is placed inside a magnetic field, a force acts on the conductor, in a direction perpendicular to both the directions of the current and the magnetic field. |
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| 25054. |
Find the area of the quadrilateral whoes verties taken in order areA(-5,3),B(-4,6),C(2,-1)and D(1,2) |
| Answer» Isme pehle koi ek diogonal draw kro fir 2 triangle banega us dono ka area nikal k jor dijiye | |
| 25055. |
LCM×HCF=37800 find HCF |
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| 25056. |
X+Y+Z=30Find value of X,Y,Z and by putting from following box and you can also repeat |
| Answer» 10+10+10=30 | |
| 25057. |
2+++3 |
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| 25058. |
Explain the assumption method? |
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| 25059. |
Explain the assumed mean method? |
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| 25060. |
What is the probability of a king or an ace of red colour |
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| 25061. |
Thales theorm in hindi |
| Answer» थेल्स का प्रमेययदि AC वृत्त का व्यास हो तो कोण ABC हमेशा 90 डिग्री होगा।ज्यामिति में थेल्स के प्रमेय (Thales\' theorem) के अनुसार किसी भी वृत्त के परिधि पर स्थित तीन बिन्दुओं A, B तथा C हो तो कोण ABC का मान ९० अंश होगा यदि AB उस वृत्त का कोई व्यास हो। यह प्रमेय \'अन्तःनिर्मित कोण प्रमेय\' (inscribed angle theorem) का एक विशेष रूप है। प्रायः इस प्रमेय के खोज का श्रेय थेल्स को दिया जाता है किन्तु कभी-कभी पाइथागोरस को भी इसका आविष्कारकर्ता माना जाता है। | |
| 25062. |
How to make trigonometry easy for study |
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Answer» Learn all trigonometric ratio and try again an again whenever you have correct the answer Ha to maine v vhi bola Remember all rules of trigonometry |
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| 25063. |
Sum of natural number from 1 to 10 |
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Answer» 10×11/2=55??? 55 |
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| 25064. |
p(e)0.05find p(e |
| Answer» 0.95 | |
| 25065. |
x÷a+y÷b=2ax-by=[a×a]-[b×b]a=? b=? |
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| 25066. |
What is locus of centers of circles which touch given line at a point |
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| 25067. |
A die is thrown once.find the probablity of getting an even number |
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Answer» Samaira ur answer is correct Its 1/3 1/2 U r wrong dear samaira it\'s 1/2 . 1/3 |
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| 25068. |
Find a point on the line trough A(5,-4) and B(-3,2)that is twice as far from as fromB |
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| 25069. |
,6x^2-13x-5=0 by completing square method |
| Answer» {tex}6x^2-13x-5=0{/tex}{tex}6x^2-13x = 5{/tex}{tex}x^2-13x/6 = 5/6{/tex}{tex}x^2-2. 13x/ 12 =5/6{/tex}{tex}x^2-2.13x/12 +169/144 = 5/6 +169/144{/tex}{tex}(x-13/12)^2 = 120/144 +169/144{/tex}{tex}(x-13/12)^2 = 289/144{/tex}{tex}(x-13/12)^2= (17/12)^2{/tex}{tex}(x-13/12) = = 17/12{/tex}{tex}x = 17/12+13/12{/tex}{tex}x = 30/12{/tex}{tex}x = 10/4 = 5/2 {/tex} | |
| 25070. |
2x+3y=2,X-2y=8 |
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Answer» y = -2 x = 4 Multiply 2x+3y =2 by 2 and X-2y=8 by 3 The required equations are 4x+6y =4 and 3x-6y =24And then by elemination method (add both equations) find the answers. |
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| 25071. |
Discuss sin theta |
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Answer» Or o/hOpposite / hypo. Sinθ=p/h |
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| 25072. |
Need sample paper for 10 and 12 |
| Answer» Use internet | |
| 25073. |
If x+y=3,y+z=4and z+x=10 then find values of x,yandz respectively |
| Answer» X+y=3. (1)y+z=4. (2)z+x=10. (3)From (1)x=3-yPutting the value in (3)z+3-y=10. (4) From (3)&(4)we get 2z= 7Z=7/2 Putting in 4 7/2+3-y=107+y=7/2Y=7/2-7Y=-7/2Similary find x | |
| 25074. |
If angle b and angel q are acute angle such that sin B=sinQ then prove that angle B =angel Q |
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| 25075. |
How to draw tangent of a circle from centre of other circle |
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| 25076. |
Solve : ✓x+y=101. , X+✓y=11 for x and y |
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| 25077. |
Please somebody give some useful tips to develope interest in maths ??? |
| Answer» Practice and don\'t be afraid from it | |
| 25078. |
The length of minute hand of a clock is 14.find the areab swept by the minute hand in one minute |
| Answer» Q=6°R=14Length of sector:Q/360*2*pi*r=22/15 units | |
| 25079. |
_+_=8+ +_-_=6 |
| Answer» 4+4=8+2+2-6=6 | |
| 25080. |
If cosA+cos^2A=1 then find value of sin^2A+sin^4A |
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| 25081. |
Pythagoras theorme |
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| 25082. |
write the greatest integer smaller than 2root5 and smallest integer greater than 2root5 |
| Answer» 0 | |
| 25083. |
how to solve square methods |
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| 25084. |
What is centroid? |
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| 25085. |
Algebraic equation |
| Answer» ax square + bx + c =0 | |
| 25086. |
Area of pentagone |
| Answer» Regular or not regular | |
| 25087. |
C S A.of cone |
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Answer» Pi. Radius of cone. Length of cone 22/7rl |
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| 25088. |
X,Y,Z are AP find rhe value of (x+y-z)(y+z-x) |
| Answer» 0 | |
| 25089. |
Sample Paper of mathematics |
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| 25090. |
the difference of two numbers is 3 and their product is 504. find the number |
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Answer» 24 and 21 24,21 24 and 21 |
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| 25091. |
What is the value of √3 |
| Answer» 1..732 | |
| 25092. |
Express the hcf of (72 &124) as linear combination of 72&124 |
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| 25093. |
If sin A - cos A =1/2 then find (sin A + cos^2A) |
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| 25094. |
How to find circumcentre in triangle |
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| 25095. |
SecA+tanA=?SecA=x+1/4x |
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| 25096. |
TanA-cotA/1+cotA/1-cotA-tanA=1+COTA+tanA |
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| 25097. |
For what value of, k x into x -5x+3 (k-1)=0 has different of roots are equal to 11. |
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| 25098. |
If 0.428=p÷2m×5n find the Smallest values of m, n and p |
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| 25099. |
Statistics : in an arranged series of an even no. Of 2n terms which term is median |
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| 25100. |
In triangle PQR,Q is right angle andPQ=3,PR=6find angle P AND R |
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