332354 + Interview Questions in Secondary School in Math

1.	If 50% of (x-y) = 30% of (x+y), then what % of y is x ?
Answer» Answer: 400% Step-by-step EXPLANATION: Given :- 50% of (x-y) = 30% of (x+y) $(x - y) \times \frac{50}{100} = (x + y) \times \frac{30}{100} \\ \\ \frac{1}{2} (x - y) = \frac{3}{10} \times (x + y) \\ \\ \frac{x}{2} - \frac{y}{2} = \frac{3x}{10} + \frac{3y}{10} \\ \\ \frac{x}{2} - \frac{3x}{10} = \frac{3y}{10} + \frac{y}{2} \\ \\ \frac{5x - 3x}{10} = \frac{3y + 5y}{10} \\ \\ 2x = 8y \\ \\ x = 4y \\ \\ x = \frac{400 \times y}{100} \\ \\ x = \frac{400}{100} \times y \\ \\ 400\% \: of \: y \: is \: equal \: to \: x$ HOPE this will help you

1.

If 50% of (x-y) = 30% of (x+y), then what % of y is x ?

Answer»

Answer:

400%

Step-by-step EXPLANATION:

Given :-

50% of (x-y) = 30% of (x+y)

$(x - y) \times \frac{50}{100} = (x + y) \times \frac{30}{100} \\ \\ \frac{1}{2} (x - y) = \frac{3}{10} \times (x + y) \\ \\ \frac{x}{2} - \frac{y}{2} = \frac{3x}{10} + \frac{3y}{10} \\ \\ \frac{x}{2} - \frac{3x}{10} = \frac{3y}{10} + \frac{y}{2} \\ \\ \frac{5x - 3x}{10} = \frac{3y + 5y}{10} \\ \\ 2x = 8y \\ \\ x = 4y \\ \\ x = \frac{400 \times y}{100} \\ \\ x = \frac{400}{100} \times y \\ \\ 400\% \: of \: y \: is \: equal \: to \: x$

HOPE this will help you

12.	Fin missing number such that the sum two neighbouring number is same the sum of oppositenumber
Answer» UR ANSWER is 0 and 1 as 0+1 is 1 and 1+0 is ALSO 1

27.	Has the largest number of participants in terms of either side
Answer» HEY DUDE.... COMPLETE the QUESTION.. ❤️

28.	Expectation variance covariance standard deviation
Answer» These summary STATISTICS have the same meaning for continuous random variables: The expected value µ = E(X) is a measure of location or central tendency. The standard deviation σ is a measure of the spread or scale. THEVARIANCE σ2 = VAR(X) is the square of the standard deviation.

29.	10 soldiers visit rime range for two consequetive weeks hypothesis
Answer» 10 soldiers VISIT RIME range for TWO consequetive weeks hypothesis

30.	X1+x2+x3+x4=17 where x1 x2 x3 x4 are nonnegative integer
Answer» X=1.7 ...........................

31.	Write the limitation of general multiplication process
Answer» He multiplication rule for limits says that the product of the limits is the same as the limit of the product of two functions. That is, if the limit EXISTS and is finite (not infinite) as x approaches afor f(x) and for G(x), then the limit as xapproaches a for fg(x) is the product of the limits for f and g. In case you need some background on limits, consider the following: Most of the time, a function f(x) has a value for every possible value of x, but not always. For example, f(x) = (x - 4)(x - 6)/2(x - 6) is UNDEFINED at the value x = 6 because DIVIDING by 2(6 - 6) = 0 is just not feasible. Even then, however, we can look at what the function is like when we get closer and closer to the limit: in this case, the value x = 6. As we can see below, the closer x gets to 6, the closer ygets to 1, so we say that the limit of f(x) as x approaches 6 is 1. We can define a limit if we can get as close as we want to a particular value of x (call it x sub 0) and if it consistently gets closer and closer to one particular value of y when we do. If we can't get close to the xvalue with a definition of a function, or if the values of y JUMP around when we get closer and closer to x sub 0, or if the values of y go up or down without ever settling near a number, we cannot define a limit.

32.	Why we should take eigen value greater than 2?
Answer» What is the meaning of "EIGENVALUE > 1" criterion? I understand what EIGENVALUES and eigenvectors are. This question is w.r.t. this link and this statement there: By default, VARCLUS stops splitting when every cluster has only one eigenvalue greater than one, THUS satisfying the most popular criterion for DETERMINING the sufficiency of a single underlying dimension. I know it is a criterion for the number of clusters but how can one visualize and understand its meaning? I have gone through this thread on principal component ANALYSIS but still do not understand it.

33.	Writer of de philosophiae naturalis principia mathematica
Answer» Philosophia naturalis principia MATHEMATICA shows the CONFLICT between classical physics's WARRIORS Halley vs Issac NEWTON .Issac Newton wrote this book when Halley was opposing him on his planetary physics mark me BRAINLIEST

34.	Write prime number between 10 to 20 in set form
Answer» (11,13,17,19) are all PRIME NUMBERS between 10 and 20 hope this HELPS

35.	Cannot find branch with ampersand name in git
Answer» Cannot FIND BRANCH with AMPERSAND NAME in GIT

36.	How to convert 2x=3y=-z into standard equation of line
Answer» Here is your answer. 2x-3y+z=0 hope this will be HELPFUL

37.	How to multiply 4 digit numbers by 3 digit numbers quickly
Answer» by the METHOD of MULTIPLICATION. ...

39.	How to solve an integral involving Bessels function from 0 to infinite
Answer» How to solve an INTEGRAL INVOLVING Bessels FUNCTION from 0 to INFINITE

40.	family photograph has length 72/5cm and breadth 52/5cm it has border of uniform width 13/5cm find the area of framed photograph
Answer» Hii FRIEND, Good Morning , Lets solve This problem Q=SEE above Solution; See daigram of this question which I ATTACHED Given-- •Length(l) 72/5cm •Breadth(b)=52/5cm °Width (W)=13/5cm Area of framed PHOTOGRAPH=(l+b-2w)×2w ☆This is short formula for short method Area of framed photograph=(72/5+52/5-2×13/5)×2×13/5=101.92cm2 Answer=101.92cm2 Answered by Mr.BEST See you soon Till stay happy ,stay best.

41.	The rate of work of B is twice that of A. A can complete the piece of work in 15 days. A started the work and B joined him after few days. The work was completed in 11 days. For how many days did A work alone? *
Answer» Your answer is 9 days.. TAKE a LOOK at PICTURE

42.	T20 rule if fielding team does not start 20th over in 75 min
Answer» According to the Twenty20 rules, the bowling team has to finish the 20 OVERS within 75 MINUTES. The batting team will receive six bonus runs if the bowling team has not started the twentieth over in 75 minutes. This RULE is to maintain the Twenty20 SPIRIT and pace.

43.	Draw different quadrilaterals and list their properties
Answer» ••hey user •• °•here is your answer °• ____________________ refer to the ATTACHMENT for shapes of quadrilaterals ____________________ ¤¤ Different Quadrilaterals ¤¤ -------------------------------------- These are the types of quadrilaterals :Parallelogram Square Rectangle Rhombus Trapezium Kite _________________________________ 1)Parallelogram:- •• Opposite sides are equal and parallel •• opposite angles are equal _________________________________ 2)Square:- ••All FOUR sides are equal and two opposite pair of sides are parallel ••Each ANGLE is of 90° __________________________________ 3)Rectangle:- •• two pairs of opposite sides are equal and parallel ••Each angle is of 90° ___________________________________ 4)Rhombus •• all four sides are equal and two pairs of opposite sides are parallel ••two pairs of opposite angles are equal ____________________________________ 5)Trapezium •• one pair of opposite side is parallel ••All angles are unequal __________________ 6)Kite ••Two pairs of sides are of equal length ••The diagonals cross at 90° ____________________________________ °•hope it is satisfactory •°

44.	G=(v e) has 6 vertices find the maximum no. of edges
Answer» 6IS the MAXIMUM no of EDGES

45.	Which ten comes after each if these numbers?
Answer» What R the numbers dear...PL write the question PROPERLY.

46.	1. Vitoria hit against a tree when she was ________ her car. (back) answer
Answer» The answer is Vitoria hit against a tree when she was backing her CAR up. Hope it HELPS :)

47.	When two dice are rolled find the probability of getting a sum that is divisible by 4?
Answer» N(S)=36 let A be the event that GETTING SUM is divisible by 4. HENCE possible values are 1,3 2,2 2,6 3,1 3,5 4,4 5,3 6,2 6,6 Hence n(A)=9 P(A) = n(A)/n(S)=9/36=1/4

48.	Please answer the 7th and 8th question. Thank youuu in advance
Answer» Solution: 7) 2X= 100 => X= 50° 8) in Traiangle OAP. => op^2+ Ap ^2= Ao^2 => 9+16= Ao^2 => Ao^2= 25 => AO= 5cm Now,in Traiangle AOC => oc^2= AC^2+ ao^2 => 49= ac^2+ 25 => 24= ac^2 => ac= 2root6 cm _______________ Hope U LIKE it☺☺

49.	Find the side of a cube whose volume is 524 gallons
Answer» A≈1.26 is its ANSWER

50.	In how many ways can a pack of 52 cards iit jee 1979
Answer» If 4n DIFFERENT things are to be EQUALLY distributed amongst 4 persons the numbers of ways are 4n! /(n!)4 but if 4n things are to form 4 equal groups then the numbers of ways are (4n!) / (n!)4 X 4! (i) Number of ways of dividing 52 cards equally among 4 players = 52! / (13!)4 (II) Numbers of ways to form 4 groups of 13 cards each = 52! / (13!)4 x 4! (iii) Number of ways to form 4 sets, three of them having 17 Cards each and fourth just 1 card = 52! / (17!)3 x 3! X 1!

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