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.
| 19101. |
8a³-343b⁵ facotorise it |
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Answer» Answer: (2a - 7b ) ( 4a^2 + 14ab + 49b^2 ) Step-by-step explanation: 8a^3 - 343b^3 = (2a)^3 - (7b)^3 = ( 2a - 7b ) [(2a)^2 + 2a x 7b + (7b)^2] = (2a - 7b) (4a^2 + 14ab + 49b^2 ) HENCE, a^3 - b^3 = (a - b ) ( a^2 + ab + b^2 ) I HOPE IT WILL HELP YOU And if it helped then please MARK it as the brainliest answer.plz. |
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| 19102. |
Decimal representation of rational numbercannot be(a) Terminating(b ) NON - Terminating(C) NON-Terminating or recurring(d) NON – terminating non-recurring |
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Answer» Answer: it can be all of the three. like ex of NON TERMINATING ---4.5 ,6.3 ex of non terminating RECURRING--- 6.787878 ,5.656565 ex of non terminating non reccuring --- 3.45445444544445 , 8. 62622622262222 HOPE you get your answer mark me as brainliest have a GOOD day |
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| 19103. |
Please solve this my exams are over my head |
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Answer» =================================== SEE The ATTACHMENTS My FRIEND.....=================================== |
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| 19104. |
Examples of degree in maths |
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Answer» Answer: "Degree" can mean SEVERAL THINGS in MATHEMATICS: In Geometry a degree (°) is a WAY of measuring angles, But here we look at what degree means in Algebra. ... Names of Degrees. Degree Name Example 1 Linear x+3 2 Quadratic x2−x+2 3 Cubic x3−x2+5 4 QUARTIC 6x4−x3+x−2 |
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| 19105. |
If tan a + cot a is equals to 4 then find Tan 5A + cot 5Aplz read the question carefully |
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Answer» HOPE EVERYTHING is CLEAR... |
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| 19106. |
(5a-2b-3c) factories |
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Answer» Step-by-step explanation: 5a)^2+(2B)^2+(3C)^2-2×5a×2b-2×2b×3c-2×3c×5a 25a^2+4b^2+9c^2-20ab-12bc-30ac |
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| 19107. |
Show that x=-2, y=3 is a solution of system of linearequations6x - 5y = 32x+y+7=0 |
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Answer» Step-by-step EXPLANATION: just put the value of X and y in this equation u GET urs answer PERFECTLY OK FRIEND |
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| 19108. |
A and B do a fuiece ofA been work in 24 days had A been absent for the first 6 days the work would have been 271/5 days in What time could A alone di it?? |
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Answer» А и Б прават парче работа во рок од 24 дена, доколку А беше отсутен за првите 6 дена работата ќе беше 271/5 дена во |
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| 19109. |
0.001 when expressed in the form p/q where p,q are integers and q not equal to 0 |
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Answer» <P>0.001 when EXPRESSED in the form p/q where p,q are integers and q not equal to 0 is 1/1000 Thank my answer if it helps you! Mark it as the BRAINLIEST PLZZ!! |
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| 19111. |
Show that x=-21 y=3 is a solution of system of linearequations6x - 5y = 32x tyt+7=0 |
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Answer» YES by Step-by-step explanation: 6×21 - 5×3=3 |
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| 19113. |
Q. A few numbers are formed using the digits 4, 8 and 5, and a number is chosen at random. Find the probability that the chosen number is greater than 400. |
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Answer» probability of a no greater than 400 is 1 Step-by-step explanation: NUMBERS formed using the DIGITS are 485,458,584,548,854,845 probability (greater than 400) = 6/6 =1 hope it HELPS you dear plzz mark as brainliest |
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| 19114. |
A part of the monthly hostel charge is fixed and the remaining depends on the number of days one has taken the food. A student has to pay rs 900 if she takes food for 10 days. Write a linear equation in two variable which satisfies this data. Draw the graph of the equation. |
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Answer» PLEASE REGER TO THE ATTACHMENTS HOPE IT HELPS, PLEASE THANK, FOLLOW AND MARK AS BRAINLIEST.
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| 19115. |
P(4,2) and Q(-1,5) are the vertices of parallelogram PQRS and (-3,2) are the co-ordinates of the point of intersection of it's diagonals. find co-ordinates of R and S |
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Answer» পি (4,2) এবং কিউ (-) সমান্তরাল পিকিউআরএস এর শীর্ষকোষ এবং (-3,2) এর ত্রিভুজগুলির ছেদ বিন্দুর সমন্বয়কারী। আর ও এস এর সমন্বয়গুলি সন্ধান করুন |
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| 19116. |
Root3-root5 and root 5+root3ke guranphal की prakrti gant kijiye |
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| 19117. |
Laksturbacher in a bank She has currency nos100 and 10, respectively. The ratio of the number of thesemiThe total cash with Lakshmi is 100,000. How manywoon denomination does she have?9. The |
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Answer» nh Step-by-step EXPLANATION: |
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| 19119. |
1 has no factors true or false |
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Answer» Answer: |
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| 19120. |
6x²-10x+4=0 factorie by spiliting the middle term |
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Answer» Step-by-step EXPLANATION: |
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| 19121. |
(10-x) meansa.10 is subtracted from x.b.10 is subtracted x times.c.x is subtracted 10 times.d.x is subtracted from 10.its very urgent guys.. |
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Answer» d Step-by-step explanation: x is SUBTRACTED from 10 |
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| 19122. |
Solve 19.0.3×100 please reply fastlythanks |
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Answer» Answer: 19.03 × 100= 1903Step-by-step EXPLANATION: HOPE IT WILL HELP YOUPLZZ MARK AS BRAINLIST |
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| 19123. |
Find the remainder when x3-8x2 +8x +21 is divided by(x+3)please please please please please answer this i beg u |
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Answer» or,g(-3)=(-3)^3-8.(-3)^2+8.(-3)+21 =-27-72-24+21 =-102 |
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| 19124. |
find the least number which must be added to 5483 so that the resulting number is a perfect square (show the steps pls) |
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Answer»
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| 19125. |
in figure, the side AB and AC of triangle ABC are produced to points E and D respectively . If the bisectors BO and CO of ∠CBE and ∠BCD respectively meet at O such that ∠BOC = 70 degree, then find the value of ∠BAC |
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Answer» CHECK the ATTACHMENT for the ANSWER |
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| 19128. |
Here, I found a new way of finding the number of hands shaken. You may know that the formulae are (n-1)n/2.The formulae that I made are:-N.o. of handshake = n + 2(n-3) + Sum of n - 4 termsExample:-7 persons in a room are shaking hands with each other. Find the total number of handshakes.Solution:- Putting n=7Therefore, Total handshakes = 7 + 2(7-3) + Sum of 7-4 terms= 7 + 2(4) + ( 3+2+1 )= 7 + 8 + 6= 21 handshakesPlease viral this news because this is the new formula. |
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Answer» CONGRATULATIONS, HOPE that you will FIND MANY more |
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| 19129. |
মডেল অ্যাক্টিভিটি টাস্কগলিতেপএনশ্রেণিসির প্রশ্নগুলিৰ উওৰ দাও :০, ৩, ২, ১ অকেগুলি দিয়ে গঠিত পাঁচ অঙ্কের বৃহত্তম সংখ্যাটি হলাে১. সংকটির নাম মন লা৩ টি পরপর মৌলিক সংখ্যার একটি ৭ এবং অপরটি) পলি, সব গ সা গলণও ৩। তাঁর ৬ মাসে আয় দিয়ে ৭ মাসের স রচ চালান। তাঁর মাসিক সবচ ১২২৭০ টাকা হলে, তাঁর ১ মাসের আয় |
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Answer» Answer: ১। প্রথম পর্যায়ক্রমিক মূল্যায়নের জন্য নির্ধারিত পাঠ্যসূচিকে ভিত্তি করে মডেল অ্যাক্টিভিটি টাস্কগুলি তৈরি করা হয়েছে। ২। প্রয়োজনে অ্যাক্টিভিটি টাস্কগুলি করার আগে প্রথম পর্যায়ক্রমিক মূল্যায়নের জন্য নির্ধারিত অধ্যায়গুলি পাঠ্যপুস্তক থেকে একবার দেখে নেওয়া যেতে পারে। ৩। বিদ্যালয় খুললে অ্যাক্টিভিটি টাস্কগুলি শিক্ষকের কাছে জমা দিতে হবে। ৪। প্রয়োজনে বিদ্যালয়ের শিক্ষিকা-শিক্ষকদের সহায়তা নিতে পারো। ৫। প্রয়োজনে বিদ্যালয় শিক্ষক মডেল অ্যাক্টিভিটি টাস্ক পরিবর্তন করে ফোন, SMS ইমেইল ইত্যাদি মাধ্যমে নিজ স্কুলের শিক্ষার্থীদের পাঠাতে পারেন। ৬। ঘরে বসে খাতায় উত্তর তৈরি করো। ছাত্রছাত্রীরা বাড়িতে নিজের বিষয়ভিত্তিক খাতায় এগুলো করে বিদ্যালয় খুললে শিক্ষকের কাছে জমা দেবে। কোন অবস্থাতেই তারা বাড়ির বাইরে বেরোবে না। |
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| 19130. |
in the figure given belpw lines m and n are parallel angle 8 is less than angle 3 by 90 degree find anglen2 |
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Answer» Answer: 90 degrees Step-by-step EXPLANATION: |
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| 19131. |
|-5| should be equal to |
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Answer» |x|=x | | THis SIGN means absolute VALUE.. absolute value is always POSITIVE.. SO,|-5|=5 ANSWERpls FOLLOW me for more answers..MARK me as brainliest..✌️❣️.. |
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| 19132. |
A and B can do a job in 6 and 12 days respectively. they began the work together but A leaves after 3 days. then the total number of days needed for the completion of the work is |
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Answer» Answer:
Hello, Work done by B in 1 day = 1/12 Work done by A and B in 1 day 1/6 + 1/12 = 1/4 A and B WORKED together for the initial 3 days = 3/4 REMAINING work = 1/4 Time taken by B to complete this remaining work 1/4 / 1/12 = 3 Total number of days = 3 + 3 = 6 hope my answer is ✌️. |
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| 19134. |
Cos/1-sin=1+sin/cos |
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Answer» Answer: ASK Find an Online Tutor Now TRIGONOMETRIC FORMULAS TRIGONOMETRIC IDENTITIES Hannah C. asked • 12/03/14 I thought it could possible be solved by a double angle formula, but I cant seem to make it work Follow4 Add comment More 3 ANSWERS By Expert Tutors By: Jacob K. answered • 12/03/14 TUTOR New to Wyzant Knowledgeable and patient MBA and Civil Engineering graduate SEE TUTORS LIKE THIS cos (1+sin) (1+sin) + cos
= cos2 + (1+sin)2 cos*(1+sin)
= cos2 + 1 + 2sin + sin2 cos*(1+sin)
we know that cos2 + sin2 = 1
= (1+1+2sin) cos*(1+sin)
= (2+2sin) cos*(1+sin)
= 2(1+sin) cos*(1+sin)
= 2 cos
= 2sec Step-by-step explanation: plz make this question brainlist fast only 1 brainlist question left |
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| 19135. |
Check whether the given pairsof dines are parallel.or notGCK769->HHEKFL106J |
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Answer» its a TRANSVERSAL which CUTS PARELLEL LINE. |
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| 19136. |
A is sold at Rs 4140 after allowing a 10% discount on mark pride and adding 15% find the discount and VAT amt |
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Answer» Step-by-step EXPLANATION: |
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| 19137. |
If tan a + cot a is equals to 4 then find Tan 5A + cot 5A |
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Answer» Answer: tanA+cotA=4 (squaring both sides) (tanA+cotA)2=42 ⇒tan2A+cot2A+2(tanA)(cotA)=16 ⇒tan2A+cot2A+2=16 ⇒tan2A+cot2A=16−2 ⇒tan2A+cot2A=14 (on squaring both sides) ⇒(tan2A−cot2A)2=(14)2 tan4A+cot4A+2(tan2A)(cot2A)=196 tan2A+cot4A=196−2 =194 mark me as BRAINLIEST............ |
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| 19138. |
plz answer fast plz it is urgent plz help me who answered all answers correctly iwill follow you definitely. |
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| 19139. |
In abc and DEF, AB=7cm, BC=5cm , angle B=50° DE =5cm, EF=7cm,angle E =50°, by which congruence rule are the triangles congruent. A. SAS B. RHS C. ASA D. SSS (EXPLAIN) |
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Answer» SAS is the answer and the conquent just make the figure and yu will find the same try it |
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| 19140. |
1. If sin-1x + sin-1y + sin-1z =3π/2 then the value of x9 + y9 + z9 – 1/ x9y9z9 is equal to a. 0b. 1c. 2d. 3 |
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Answer» Answer: 0 MAN plz do FOLLOW me I will also follow u if u follow me |
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| 19141. |
A truck is loaded with 200 packets of apples. If each box weighs 5kg 850g, then findthe total weight of apples in the truck. |
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Answer» Answer: total weight of apple=cost into 200 apple 5kg850g into 200 1,170 ANSi hope this is RIGHT ansPLEASE MARK me brainliestStep-by-step explanation: |
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| 19142. |
Form the quadratic polynomials whose zeroes are 3 and 1/5 |
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Answer» x^2+2√2x+2 Step-by-step EXPLANATION: |
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| 19143. |
Find the additive inverseof following integers-428 |
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| 19145. |
If we '0' in the set of natural number. the resulting is said to be the set of |
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Answer» Answer: 0 is NATURAL no. hope it HELPS |
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| 19146. |
find the HCF 81 and 237 by prime factorization method and also find LCM and verify relation a×b=HCF ×LCM |
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Answer» Step-by-step explanation: REFER to the PHOTO given below and don't FORGET to mark me as BRAINLIEST |
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| 19147. |
26,54,78,182 find the value of L C M |
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Answer» The LCM of 26,54,78,182 is 2×3×3×3×7×13=4914 |
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| 19148. |
Expanf the following using suitable identities (4-1/3x)^3 |
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Answer» =64+1/9x^3-4/x(4-1/3x) |
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| 19149. |
1. If (x-1, 2) =(3, y + 4), Then the value of x+y |
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Answer» Step-by-step EXPLANATION: x-1=3 x=4 |
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