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. |
Use Euclid's division algorithm to find the HCF of 138 and 250 |
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| 2. |
(1) Construct a word problem on simultaneous linear equations in two variables(on age, rupees, metres, speed, etc.), so that the value of one variable will be 18 |
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Answer» Answer: The DECIMAL numeral system is the standard system for denoting INTEGER and non-integer NUMBERS. It is the extension to non-integer numbers of the Hindu–Arabic numeral system. The WAY of denoting numbers in the decimal system is often referred to as decimal notation. |
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| 3. |
Check weather the following statement 3x+2y=5,2x-3y=7 with justification |
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Answer» Answer: 3x+2y=5 2x-3y=7 one can either USE elimination method or substitution. I will use elimination method (3x+2y=5)×-3 (2x-3y=7)×2 -9x-6y= -15 4x-6y=14 same sign SUBSTRACT while DIFFERENT sign add for as we will subtract -9x-4x= -13x -6y - -6y=0 -15-14= -29 -13x=29 hence X=29÷13 x=2.23 3x+2y=5 where you SEE x substitute 3(2.23)+2y=5 6.68+2y=5 y= -0.84 |
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| 4. |
Is B+B=2B or 2+B. can u say the correct answer rigth now |
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Answer» no you "RIGTH now" Step-by-step EXPLANATION: |
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| 5. |
Find the square of 2x+3y |
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Answer» here is your answer (2x+3y)²=4x+9y |
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| 6. |
गमहममाग्रेम१--19.b) र1.catb)रा भंग या51-4 |
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Answer» Answer: The decimal NUMERAL system is the standard system for DENOTING INTEGER and non-integer numbers. It is the EXTENSION to non-integer numbers of the Hindu–Arabic numeral system. The way of denoting numbers in the decimal system is often REFERRED to as decimal notation. |
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| 8. |
-11/15 × 14/19 = 4/19 × -11/15 |
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Answer» jsjjdhdwphsjksoowieiid |
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| 9. |
Find the area line in the first quadrant and bounded by the circle x²+y²=4 and the lines X=0,X=2 |
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Answer» ☆ Equation of given circle is ☆ x = 0 REPRESENTS the y - axis. ☆ x = 2 represents a LINE PARALLEL to y-axis and PASSES through (2, 0). |
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| 10. |
Find the value of a if 7a=60²-53² |
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Answer» Answer: 7a=60^2-53^2 =>7a=3600-2809 =>7a=791 =>a=791/7 =>a=13 |
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| 11. |
it cost $112 to turf a lawn of 56m squared, how many dollars would it cost to turf a lawn of area 77m squared? |
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Answer» Step-by-step EXPLANATION: |
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| 12. |
If 2^n+m=16and4^n-m1/32 find the value of n+m |
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Answer» Step-by-step EXPLANATION: Given:-2^(n+m)=16 and 4^(n-m)=1/32 To FIND :-Find the value of n+m? Solution:-Given that: 2^(n+m)=16 =>2^(n+m)=2^4 Since bases are equal then exponents must be equal. =>n+m=4------(1) and 4^(n-m)=1/32 =>(2^2)^(n-m)=1/2^5 (since (a^m)^n=a^mn) =>2^2(n-m)=1/2^5 (since 1/a^n=a^-n) =>2^2(n-m)=2^-5 Since bases are equal then exponents must be equal. 2(n-m)=-5 =>n-m=-5/2-----(2) from (1)&(2) n+m=4 n-m=-5/2 (+) _________ 2n+0=4-5/2 ________ =>2n=(8-5)/2 =>2n=3/2 =>n=3/4 from (1) (3/4)+m=4 =>m=4-(3/4) =>m=(16-3)/4 =>m=13/4 The values of m and n are 13/4 and 3/4 RESPECTIVELY Answer:-The values of m,n and n+m are m= 13/4 n= 3/4 n+m=4 respectively. |
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| 13. |
7 find the value ofequations hasso that following systems ofsolution 4.5x-1.75y-5=0, 18x-7y+k =0. |
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Answer» Why do I have to FIND it? Why DONT you? Step-by-step EXPLANATION: |
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| 14. |
Two circles of radii 5 cm and 3 cm intersect at two points and the distance betweentheir centres is 4 cm. Find the length of the common chord. |
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| 15. |
Olve the following que23 x32x54nplify:ID33 x 52 x 24"the law of exponen |
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Answer» 51,184 Step-by-step EXPLANATION: is the answer for this QUEDTION |
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| 16. |
For what value of k will the following linear equations have no solution:,Kx+5y-8=0,12x+3y+10=0 |
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Answer» Step-by-step explanation: for no solution we MUST have, a1/a2 EQUAL to b1/b2 does not equal to c1 /c2 so, K/12=5/3 does not equal to -8/10 on comparing we get, =>k=20 but k does not equal to -9. 8 |
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| 17. |
Derivation of formulas of chapter surface areas and volumes? ? |
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Answer» Free Fire is the ULTIMATE SURVIVAL BATTLEGROUNDS GAME on mobile https://ffshare.garena.com/?region=IND&lang=en |
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| 18. |
Find two monomials with positive integer coefficients, whose products is 5xyz |
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Answer» Answer: Step-by-step explanation: TWO monomials are 5x and 1 yz PRODUCT= 5x * 1 yz = 5xyz coefficient of 5x =5 coefficient of yz is 1 |
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| 19. |
(1) solve the partis equation by factorisation root 3 x^2 +10+7 root x |
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Answer» Answer: √3x²+10x+7√3 =(x+√3)(√3x+7) Step-by-step EXPLANATION: GIVEN quadratic EXPRESSION: √3x²+10x+7√3 Splitting the middle TERM,we get =√3x²+3x+7x+7√3 = √3x²+(√3×√3)x+7x+7√3 =√3x(x+√3)+7(x+√3) =(x+√3)(√3x+7) Therefore,. √3x²+10x+7√3 =(x+√3)(√3x+7)
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| 20. |
The ratio of a milk and water in a mixture is 18 : 7 if milk is 180m find the quantity of water in the mixure |
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Answer» Step-by-step EXPLANATION: This is your answer.++±++±+ |
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| 21. |
The ratio of a milk and water in a mixture is 18 : 7 if milk is 180ml find the quantity of water in the mixure |
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Answer» Step-by-step EXPLANATION: This is your ANSWER..------ |
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| 22. |
Find the product (-3/5y⁷)(-2/9y⁸)(1/3y²) |
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Answer» The PRODUCT of (-3/5y⁷)(-2/9y⁸)(1/3y²) is: (6/135y^17). |
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| 25. |
का(A) परिमेय संख्या(C) पूर्णांक संख्या(D) इनमें से काई नहीं |
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Answer» प्रश्न समझ में नहीं आई सिर्फ ऑप्शन दिया है समझ में नहीं आया |
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| 26. |
the ratio of Length and width of a rectangular ground is 5 : 4 if the length of ground is 15 metre find the width of the ground |
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| 27. |
Which two of these best describes the advantages of doing a statistical investigation on a large population? |
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Answer» STATISTICAL INVESTIGATION is part of an information gathering and learning process which is undertaken to SEEK meaning from |
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| 28. |
3²+(2+5-4)²+5 with solution |
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Answer» Answer: 17 Step-by-step explanation: 3²+(2+5-4)²+5 3²+3²+5. (by SOLVING VALUES in BRACKET) 9+3+5 17 |
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| 29. |
For a polynomial p(x), the value of p(3) is −2. Which of the following must be true about p(x)? |
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Answer» Answer: Remainder theorem SAYS that when p(x) is divided by (x−a) the remainder is given by p(a). |
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| 30. |
ਬਹੁਪਦ a°+3a+2 ਕਿੰਨੇ ਪਦੀ ਬਹੁਪਦ ਹੈ? |
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Answer» polynomial example example of a polynomial this one has 3 terms Polynomial comes from poly- (MEANING "many") and -nomial (in this case meaning "term") ... so it says "many terms" A polynomial can have: constants (like 3, −20, or ½) variables (like x and y) exponents (like the 2 in y2), but only 0, 1, 2, 3, ... etc are allowed that can be combined USING addition, subtraction, multiplication and division ... ... except ... ... not division by a variable (so something like 2/x is right out) So: A polynomial can have constants, variables and exponents, but never division by a variable. Also they can have one or more terms, but not an infinite number of terms. Polynomial or Not? polynomial These are polynomials: 3x x − 2 −6y2 − ( 79)x 3xyz + 3XY2Z − 0.1xz − 200y + 0.5 512v5 + 99w5 5 (Yes, "5" is a polynomial, one term is allowed, and it can be just a constant!)
These are not polynomials 3xy-2 is not, because the exponent is "-2" (exponents can only be 0,1,2,...) 2/(x+2) is not, because dividing by a variable is not allowed 1/x is not either √x is not, because the exponent is "½" (see fractional exponents)
But these are allowed: x/2 is allowed, because you can divide by a constant also 3x/8 for the same reason √2 is allowed, because it is a constant (= 1.4142...etc) Monomial, Binomial, Trinomial There are SPECIAL NAMES for polynomials with 1, 2 or 3 terms: monomial, binomial, trinomial |
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| 31. |
a square room has a side 13.5 m the floor is covered with marble stone the cost of material is rupees 16 per metre square find the total cost of flooring |
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Answer» A square ROOM has a side 13.5 m the floor is covered with marble stone the COST of material is RUPEES 16 per METRE square. The TOTAL cost of flooring. ∴ The cost of flooring is Rs 2916. |
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| 32. |
D+2.АIn fig 1.80, XY || seg AC.If 2AX = 3BX and XY = 9. CompleteХthe activity to find the value of AC.AXActivity : 2AX = 3BX ..BXB•CYFig. 1.80AX +BXBXby componendo.AB(I)BXtest of similarity.A BCA ~ A BYXBA ACcorresponding sides of similar triangles.BXXYAAC.. AC =...from (1)9GF*. In figurel.81,theverticesof |
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Answer» uditdhdoyditskgdkgdkt jgxktdxi CI |
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| 33. |
Tony scored 17marks out of 20. His friend Peter scored 40 marks out of 50.Whose performane is better |
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Answer» Answer: “Education is not preparation for life; Education is life itself.” At Sam Internati... Read more. VISION. We have a vision of dedicating ourselves ...ᥒTo find: The probability of getting (i) A king Card and Red Coloured card. So, There are four different cards, Clubs (BLACK) = 13. Here 1 to 10 and 1 king, 1 QUEEN, and 1 jack Spades (black) = 13. Here 1 to 10 and 1 king, 1 queen, and 1 jack Diamond (red) = 13. Here 1 to 10 and 1 king, 1 queen, and 1 jack Heart (red) = 13. Here 1 to 10 and 1 king, 1 queen, and 1 jack So, A king card = 4 Red colour cards = 13 - 2(king cards, as 2 red king cards are mentioned above) = 11 So, A king and red colour card = 4 + 11 = 15 Therefore, Number of favourable outcomes = 15 Total number of possible outcomes = 52 Hence, Probability = \FRAC{Number\ of\ favourable\ outcomes}{Total\ number\ of\ possible\ outcomes}Probability= Total number of possible outcomes Number of favourable outcomes
So, Probability of getting a king card and a red coloured card is = \frac{15}{52}= 52 15
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| 34. |
Which of the following are in a proportion 2:3::6:9 |
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Answer» Answer: 18 = 18 ɪᴛ ɪs ᴀ ᴘʀᴏᴘᴏʀᴛɪᴏɴ. |
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| 35. |
Kisi dhan ko 4:5:6 ke anupat me bata gaya sabse badi bhag punji kitana pratishat ki hogi |
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Answer» Answer: saos akla ROSINS 3:46 snsndks chank la DE puch wall qep de la fran NINA Step-by-step EXPLANATION: |
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| 36. |
Use the HCF to find the LCM of the following numbers:80,120 |
Answer» Here's UR ANSWER ⬆️Hope it's HELPFUL U ⤵️☞ ̄ᴥ ̄☞Follow Me Mark Me As BRAINLIST please |
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| 38. |
Can someone help me on #3 and #5 please. I will give brainliest to whoever answers the 2 questions with an explanation. Thanks. |
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Answer» Answer:
Cultural identity is the identity of belonging to a group. It is part of a person's self-conception and self-perception and is RELATED to NATIONALITY, ETHNICITY, religion, social class, generation, locality or any kind of social group that has its own distinct CULTURE. |
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| 39. |
Divide x³-3x²-5x-7 by x + 1, using the process of re expression |
Answer» Hlo_ here's Ur Answer ⬆️Hope it's helpful U ⤵️☞ ̄ᴥ ̄☞Follow Me MARK Me As BRAINLIST PLEASE |
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| 40. |
In 791, 9 stands for7 stands for |
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Answer» Answer: 9 stands for 10th DIGIT place |
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| 41. |
There are 50 pupils in a class. Out of this number 1/5 speak french only and 4/5 of the remainder speak both french and English. if the rest speak English only, find the number of students who speak french and English only. |
Answer» Answer:(31 + 17) - (50 - 10) = 8or31 + 17 = 4850 - 10 = 4048 - 40 = 8 students who STUDY both French & Spanish.Examples:A general tip is to break down a hard problem into smaller easier PROBLEMS. I also get the feeling that you are a lot like me (need to visualize the solution).First of all, let’s work with smaller numbers to make it easier to both calculate and visualize.Lets say there are instead 6 students:3 of these students studies French:2 students study Spanish:So this will be our first simple problem to solve:Right now we will interpret these parameters as:3 students study French2 students study Spanish3 + 2 = 5 students studies a languageAlso, 1 student doesn’t study any language (at least not French or Spanish)Now when we KNOW the parameters of the first part we can move on to the second part.Let’s say the question states that there are 2 students that doesn’t study any language.Well, based on our calculation so far we have said that there should be only 1 student that doesn’t study any language, so let’s see what we need to change to make the equation make sense again.According to the question there are only 6 students, but we have (3 + 2 = 5) + 2 = 7 students in our calculation, which creates an overlap with 1 student:So, since there are 2 students that doesn’t doesn’t study anything, and there is an overlap of 1 student, 1 student have to study both French & Spanish.All you need to do now is to translate the above logic into a mathematical equation:French + Spanish = Number of students in both the French and the Spanish classStudents - No Language = Number of unique students in both classes(French + Spanish) - (Students - No Language) = Students who study both languages3 + 2 = 5 students who study either French or Spanish6 - 2 = 4 student who study French, Spanish or both5 - 4 = 1 student who study both French & SpanishOr:(3 + 2) - (6 - 2) = 1Now when we know how to solve it mathematically, just plug in the variables of your question and you will have your answer :)31 + 17 = 4850 - 10 = 4048 - 40 = 8 students who study both French & SpanishOr:(31 + 17) - (50 - 10) = 8Hope it helps you :D |
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| 42. |
Read the passage below, then answer each question. (3 marks)Mr. and Mrs. Gayle began a college nest egg account for their daughter, Samantha,which would mature on Samantha's eighteenth birthday. On or before the 30" day ofeach month, they were to deposit $7000 to the account. The bank would pay an interestof $100 each month, for exactly 5 years, according to the terms of the agreement. Theaccount has reached maturity and the Gayle's are now able to withdraw the funds.12. How old was Samantha when her parents started the account? |
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| 43. |
in 28 kg mixure of milk the ratio of milk and water is 5:2 find the total weight of water present in the mixure |
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Answer» Answer: 8 KG Step-by-step explanation: ratio of milk and water = 5:2; part of water in mixture = 2/(2+5) = 2/7 Weight of water in mixture= 2/7 * 28 = 2*4 = 8 kg |
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| 44. |
In 125, 1 stands for5 stands forIn 251, 1 stands for5 stands for |
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Answer» In 125 1 stands for 100 digit place and 5 stands for unit digit In 251 1 stands for unit digit |
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| 45. |
Draw a triangle of angles 49,72 and inradius 4cm. |
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Answer» Answer: |
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| 46. |
A fair die is drawn oncei) Write down the set of all possible outcomes.ii) Find the probability of obtaining a multiple of 2? |
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Answer» Answer: i) All the possible OUTCOMES= 6 Probability = 6/6 = 1 Probability = 3/6 = 1/2 |
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| 47. |
How to solve using double-angle, half-angle formula:Suppose that a/2 is an angle in quadrant 2 and that cos a = -1519/1681. Compute the exact value of sin(a/2) |
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Answer» Answer: |
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| 49. |
Describe a situation where each of the following quantities might be useful. Come up with a story!-20 gallons per hour-10 feet per minute-0.1 kilograms per second |
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Answer» Answer: |
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