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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. |
Section-BQ.9 Find zero of the polynomial p(x)2x +3..10 Factorize:- x3 + 27 |
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Answer» p(x) = 2x-3 To find zero of p(x) We have to put,p(x) = 0 2x+3 = 0 2x = -3 x = -3/2 Hence,Root of p(x) is -3/2 |
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| 2. |
$..inthe ลing ture. AD and BErre thn medians of AABC and DF t BE Stow that, CF-1 |
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| 3. |
Section-C15,000 को 5 से गुणा कर प्राप्त राशि को में कौन-सी छोटी संख्या जोड़ी- जाए कि उसमें 9 से पूरा-पूरा भाग लग जाए? |
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Answer» hi friend answers 6 and please also like my answer never .. jdjdjd this question answer is 6 6 is the correct answer very easy correct answer is 6 please like and accept as best answer 6 is the right answer... 6 is the right answer 6 is the right answer 6 is the correct answer of the given question 6 is the correct answer 15000*5 = 75000 75000÷9 8333. remaining 3 if 9-3= 6 6+3=975006÷9= 8334answer 6 6 is the correct answer |
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| 4. |
(Attempt all questions from this Section)a) Solve for θ : 4 cos'9-30, 0° < 0 < 90° |
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| 5. |
2ं पित०/ श्र with 7S em ar 80 Por तन iy 2 19200+४ 7 धर 2 द2... oo |
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Answer» Let the width of the room be 'b' mLength of the room = 15 mArea of the room = 15 × b = 15b m2Total cost of carpeting = Rs 19200Cost of carpet per metre = Rs 80Length of the carpet = 19200 / 80 = 240 mWidth of the carpet = 75 cm = 0.75 mArea of the carpet = 240 x 0.75Area of the room = Area of the carpet⇒15b = 240 × 0.75⇒ b = (240 × 0.75) / 15 = 12Therefore, width of the room is 12 m. |
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| 6. |
UNIVERSALYou ave oadlhuse |
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Answer» No it is not possible as 30 is even no. andwe know that sum of five odd number is always odd.Derivation of this can be done by taking any odd no. is in form 2n+1 |
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| 7. |
(a)Which of the following function is represented by the graph given below?a) sin |x] b sinc) cos |xbcos x32-3x/203,2Sa2b) Discuss the continuity of the above function(c) Discuss the differentiability of the above function |
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Answer» (a) Given is the graph of |sin x| Here, y is always positive and at x=0 => y=1 refer to the graph of sin|x| in the attached figure. |
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| 8. |
DatePageTheAveso and 55, |
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| 9. |
\operatorname { cos } 45 ^ { \circ } - \operatorname { sin } 30 ^ { \circ } \operatorname { sin } 45 |
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Answer» cos30=√3/2cos45=1/√2sin30=1/2sin45=1/√2cos30cos45-sin30sin45√3/2*1/√2-1/2*1/√2√3-1/2√2 |
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| 10. |
\operatorname { sin } ( 45 ^ { \circ } + A ) \operatorname { sin } ( 45 ^ { \circ } - A ) = \frac { 1 } { 2 } \operatorname { cos } 2 A |
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| 11. |
( i ) \quad \operatorname { sin } ( 45 ^ { \circ } + A ) \operatorname { sin } ( 45 ^ { \circ } - A ) = \frac { 1 } { 2 } \operatorname { cos } 2 A |
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| 12. |
samuel purchased a house from AvasVikas ParishadSamiea f the cost of the house is 2,56,000 and thet is 5% compounded semi-annuthe interest and amount paid by Samuelafter 1years. |
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| 13. |
1/cos(theta) - 1/(tan(theta) %2B sec(theta))=-1/cos(theta) %2B 1/(-tan(theta) %2B sec(theta)) |
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| 14. |
. Add or subtract:-A) P10 75+ 30 50 |
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| 15. |
y = \operatorname sin 45 ^ \circ \operatorname cos 45 ^ \circ %2B \operatorname sin 30 ^ \circ |
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Answer» tan y=sin45º cos45º + sin30ºtan y=1/√(2) 1/√(2) + 1/2tan y=1/2 +1/2tan y=1y=45º |
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| 16. |
2 \operatorname { sin } 45 ^ { \circ } \operatorname { cos } 45 |
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| 17. |
\frac { \operatorname { cos } 60 ^ { \circ } + \operatorname { sin } 45 ^ { \circ } - \operatorname { cot } 30 ^ { \circ } } { \operatorname { tan } 60 ^ { \circ } - \operatorname { cos } 45 ^ { \circ } - \operatorname { sin } 30 ^ { \circ } } |
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| 18. |
5. In figure if lines PQ and RS intersect at point T. Such that 12]LPRT-4o", LRPT-95. and LTSQ-7s", find LSQT .95407570 |
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| 19. |
Express the below statement in a linear equation in two variables.The sum of the two numbers is 24. |
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Answer» Let the two numbers be X and Y.∴X+Y=24--------required equation |
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| 20. |
6. Mohd. Aslam purchased a house from Avas Vikas Parishad on credit. If the cost of thededhouse is 125000 and the Parishad charges interest at 12% per annum compounhalf yearly. find the interest paid by Aslam after a year and a half.ited 90009 in ahanh where the interest is credited half-yearly. If the rate of |
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Answer» after taking p =1250 what I have to do |
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| 21. |
30 10 7512 $1250 |
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Answer» those students who are in the intersection of all the classes therefore the answer is 5 |
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| 22. |
sin(-45^circ %2B theta) %2B cos(45^circ %2B theta)=1 |
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Answer» plz...tell us what we want to do in this... the answer of this question is 1 the answer of this question is 0 (zero) The answer of the question is zero.in place of cos(a+45) we should take cos(90+a-45)Then it will come as -sin(a-45)= sin( a-45)- sin( a-45)=0 cos(180+45)+ sin(180-45)÷ cos(45)-sin45=2/V2-2/V2=0 |
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| 23. |
( 1 - \operatorname sin 45 %2B \operatorname sin 30 ) ( 1 %2B \operatorname cos 45 %2B \operatorname cos 60 ) = 7 / 4 |
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| 24. |
S. In figure if lines PQ and RS intersect at point T. Such that 12LPRT-40, ZRPT-95and TSO-75, find LSOT9575 |
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| 25. |
12:12,000 x 75> 150 = |
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Answer» 12000 × 7.5/12 × 12/100 = 120 × 7.5 = 900 |
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| 26. |
The cost of a notebook is twice the cost of a pen. Write a linear equationvariables to represent this statement. |
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| 27. |
EXERCISE 12.3Draw different pairs of circles. How many points does each pair have in comWhat is the maximum number of common points? |
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| 28. |
(512 का कितने प्रतिशत 6 है?(2) 12.5% |
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Answer» 12.5% is correct answer. 12.5 is correct answer 12.5% is right answer 12.5%is the right one |
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| 29. |
-25 %2B 14 - 3 %2B 5 |
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Answer» -25+14/2 ......... B-brackets => -25+7 ......... D-division=> -18 ........... A-addition 18 is the right answer. (-25)+14÷(5-3)=(-25)+14÷2=(-25)+7=(-18) is your answer. The answer of a solution is 9 18 is the right answer to this question |
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| 30. |
\begin{array} { c } { \text { Factorise: } } \\ { 51 ^ { 2 } - 49 ^ { 2 } } \end{array} |
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| 31. |
10/2 %2B 7 %2B 14 |
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Answer» 7+21/2+14=14+21+28/7=63/7=9; 7+21/2+14=14+21+28/7=63/7=9 |
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| 32. |
1L; [-;)51 2 | र༠|
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| 33. |
Find the value of4(216)51.212(2567(243) |
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Answer» The answer of this question is 214 |
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| 34. |
x ^ 2 %2B 14 x %2B 45 |
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Answer» x=-b+-√b^2-4ac/2ax=-14+-√196-180/2x=-14+-√16/2x=-14+-4/2x=-9,-5 |
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| 35. |
x^2 %2B 14*x %2B 45 |
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Answer» x^2 + 14x + 45= x^2 + 9x + 5x + 45= x(x + 9) + 5(x + 9)= (x + 5)(x + 9) |
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| 36. |
L. The cost of a notebook is twice the cost of a pen. Winite a linear equaintvariables to represent this statement |
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| 37. |
HTT-(31) (Section-A)/Find the H.C.F. of 12, 15 and12, 15 21 IT H.C.F. SIC D(b) 5(c) 7Number of zero's inدام |
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Answer» The answer will be 3 because 3 is common in both 15 and 21 The HCF Of 12,15 & 21 is 3 answer (a) |
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| 38. |
14. A steel wire when beht in the form of a square enclosessican area of 121 sq. cm. If the same wire is bent intothe form of a circle, find the area of the circle.[Take π 22/7] |
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| 39. |
How many weeks do 5 047 days make? |
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Answer» we should divide 5047 by 7 days.5047 ÷ 7 = 721 weeksso 721 weeks make 5047 days. 721week is your answer 721 week is your answer 721 is the correct answer of the given question 721 week is the right answer 1week =7days so atq=5047/7=727 5047÷7=721 weeks so,we have 721weeks in 5047 days 721 weeks is the right answer 721 week is the answer of given question 721 weeks is the right answer 721 is the answer of the following 721 weeks is the correct answer |
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| 40. |
31. How many days are there in 8 weeks? |
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Answer» There are7*8= 56 days in a week.thanks there are 7 days in a week so, 7×8 =56 :.so there are 56 days in 8 weeks 1 week = 7 days8 week = 8*7=56 days there are 7 days in 1 week.8 weeks = 7×8 = 56 days.so there are 56 days in 8 weeks. In 1 week there are 7 daysSo for 8 weeks 7x8 = 56 days Answer is 56 days 👍 |
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| 41. |
1.40 छात्रों का औसत खर्च 305 रूपये हैं।यदि वर्ग शिक्षक का खर्च शामिल करलिया जाए तो औसत 15 रु. से बढ़जाता है। वर्ग शिक्षक का खर्च ज्ञात करें?A-910C-600D-none of these-8-920 |
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Answer» 320 is the correct ans hi friend answer is 920 and please like my answer |
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| 42. |
In an equilateral triangle ABC, D is a point on side BC suh that BDBC. Prove that9AD2 7 AB2 |
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| 43. |
a. Com posite number |
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Answer» Given : 7 × 11 × 13 + 13 Take 13 common 13 × ( 77 + 1) So, the given have more two factors other than 1 and itself so it is a composite number |
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| 44. |
solve the equation 631x+279y=910 and 279x+631y=910 |
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Answer» By inspection we get x=1 and y=1 will satisfy the equation. |
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| 45. |
910 +g eyL जज, # |
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| 46. |
93S930s555122 |
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Answer» Hii Sanskriti it's Ash sorry I don't know the answer |
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| 47. |
e S c TlIS कि जे X |
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Answer» 4x=3-54x=-2 x= -2/4 x= -1/2 |
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| 48. |
-910 %2B 14*67 |
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Answer» 28 is the correct answer of the given question 28 is the right answer 28 is the right answer the correct answer is 28 |
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| 49. |
4. Let ax+ bi y+c 0 and az x+b y+c-- 0 are two linear equation and a b -acbrepresent parallel linear? Give reasons. |
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| 50. |
B) ABC is a right triangle right angled at C. Let BC- a, CA b, AB c alluIuthe length of perpendicular from Con AB. Prove that () pc - ab, (ii)pz az b |
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