Explore topic-wise InterviewSolutions in Current Affairs.

if any doubt in the above answer comment me

Using ratio convergence test a(n+1)----------- a(n)

((n+1)² +1)(5ⁿ) ------------------------ 5^(n+1) (n²+1)

1/5 < 1So, convergent series

Cost price of two booksCP = 480*2 = 960

Selling price of first bookSP1 = CP1(1 + 20/100) = 480(6/5) = 96*6 = 576

Selling price of second bookSP2 = CP2(1 - 20/100) = 480(4/5) = 96*4 = 384

Total selling price SP = 576 + 384 = 960

There is no loss no profit as Selling price is equal to cost price of two books

¼ is the probability of a student to get his/her book

Length of line segment = 7.6cmLets two parts length be 5x and 8x

Then 5x + 8x = 7.6 13x = 7.6 x = 7.6/13 x =.58

Length of two parts are 2.9 and 4.7 cm

Like if you find it useful

what's the ratio?first tell the ratio and then any one would be able to give answer

2:3

write euclidian division lemma

Ratio of income = 9 : 7

let us assume inc. = x

Jasmin income = 9X

Armaan income = 7X

Ratio of expenditure = 4:3

jasmine expenditure = 4X

Armaan expenditure = 3X

Both savings = 6000

Jasmine = SAVINGS= 9X -4X6000= 5X6000/5= XX= 1200

9X = 9 * 12009X = RS.108002 % DonatedSo 2% Of 10800 = 216Final Savings = 6000 - 216= RS 5784

Armaan

Savings = 7X - 3X6000= 4X6000/4= 1500X = 15007X = 7 * 15007X= RS 105002% DonatedSo 2% Of 10500 = 210Final Saving= 6000 - 210=RS 5790

Didn't understand fully

Let income of Jasmine is 9xLet income of Aman is 7x

Let expenditure of jasmine is 4yLet expenditure of Aman be 3 y

Then,9x - 4y = 6000.... (1)x37x - 3y = 6000.....(2)x4

27x - 12y = 18000.....(3)28x - 12y = 24000.....(4)

Subract eq(3) from eq(4)x = 6000

Salary of jasmine = 9*6000 = 54000Salary of Aman = 7*6000 = 42000

Put value of x = 6000 in eq(1)54000 - 4y = 60004y = 48000y = 12000

Expenditure of Jasmine = 4*12000 = 48000Expenditure of Aman = 3*12000 = 36000

If they donate 2% of incomeThen, saving of Jamine= 54000 - (48000 + 2/100*54000) = 54000 - 49080= 4920

savinv of Aman= 48000 - (36000+ 2/100*48000) = 48000 - 36960= 11040

Sum of n terms = n/2{2a + (n -1)d }

A/C to question ;

S6 = 6/2{ 2a + (6-1)d } 36 = 3(2a + 5d) 12 = 2a + 5d --------------(1)

again, S16 = 16/2{ 2a + (16-1)d }256 = 8{ 2a + 15d }32 = 2a + 15d --------(2)

solve eqns (1) and (2)

10d = 20 d = 2 put in equation (1) a = 1

now, sum of 10th terms = S10 = 10/2{2a +(10-1)d}= 5{ 2 × 1 + 9 ×2 }= 5 { 2 + 18}= 100

hence, sum of first 10terms = 100

Sum of n terms = n/2{2a + (n -1)d }

A/C to question ;

S6 = 6/2{ 2a + (6-1)d } 36 = 3(2a + 5d) 12 = 2a + 5d --------------(1)

again, S16 = 16/2{ 2a + (16-1)d }256 = 8{ 2a + 15d }32 = 2a + 15d --------(2)

solve eqns (1) and (2)

10d = 20 d = 2 put in equation (1) a = 1

now, sum of 10th terms = S10 = 10/2{2a +(10-1)d}= 5{ 2 × 1 + 9 ×2 }= 5 { 2 + 18}= 100

hence sum is 100

Sum of n terms = n/2{2a + (n -1)d }

A/C to question ;

S6 = 6/2{ 2a + (6-1)d } 36 = 3(2a + 5d) 12 = 2a + 5d --------------(1)

again, S16 = 16/2{ 2a + (16-1)d }256 = 8{ 2a + 15d }32 = 2a + 15d --------(2)

solve eqns (1) and (2)

10d = 20 d = 2 put in equation (1) a = 1

now, sum of 10th terms = S10 = 10/2{2a +(10-1)d}= 5{ 2 × 1 + 9 ×2 }= 5 { 2 + 18}= 100

hence, sum of first 10terms = 100

1)3 , a1, a2, a3 , 4848 = 3r^4r^4 = 16r = 2a1 = 3*2 = 6a2 = 3*2^2 = 12 = 6*2a3 = 3*2^3 = 24 = 12*2

2 , a1, a2, a3 , a4 , a5, a6, 256256 = 2r^7r^7 = 124r = 2a1 = 2*2 = 4a2 = 2*2^2 = 8a3 = 2*2^3 = 16 a4 = 2*2^4 = 32a5 = 2*2^5 = 64a6 = 2*2^6 = 128

root(6 145/256)=root(1681/256)=+-41/16

If the mean of 8 observations is 25, its total is 25 * 8 = 200.

If the observation 11 is excluded, then the total of 7 observations will be 200 - 11 = 189.

Therefore, the mean of 7 observations with a total of 181 is 189/7 = 27.

please like the solution 👍 ✔️

81/256=9²/16²=(3²)²/(4²)²=3⁴/4⁴=(3/4)⁴

3)(i)(0,2); x-2y=4 ==0-2(2)=4;-4=4; (ii)(2,0); x-2y=4; 2-2(0)=4; 2=4,; 1=2; (iii)(4, 0); x-2y=4; (4)-2(0)=4,; 4=4; (iv)(V2, 4V2); x-2y=4; (V2)-2(4V2)=4; V2-8V2=4; V2(1-8)=4; V2(-7)=4;; V2=4/-7; (v)(1,1);; x-2y=4; 1-2(1)=4; 1-2=4; -1=4

In thesymbolof the electriccell, the longer line representsthe positive terminal and the thicker,

shorterline representsthe negative terminal.

Any non-leap year has 365 days which is divided into 7x52=364 + 1 days.

There will be 52 fridays, one for each week except when the first day of the year is a Friday.

That probability is 1/7. Also, the probability of non-leap year is 3/4 so overall probability is 1/7*3/4=3/28

tha

(-4)^5 ÷ (-4)^8

= (-4)^5-8

= (-4)^-3

= (-1/4)^3

= -1/64

The number of times a particular observation occurs is called as frequency.

(1) square root of 2.1025 = 1.45

(2) square root of 69.5556 = 8.34

ER. RAVI KUMAR ROY

(3) square root of 0.000676 = 0.026

(4)square root of 0.7921 = 0.89

2(14/25)= 2.56; viii)6(145/256)=6.566; square root i)2.1025=1.45 ii) 69.5556 = 8. 34

option (b) is correct

Whentwo coins are tossedsimultaneously then the possible outcomes obtained are {HH, HT, TH, and TT}.

Probablity of getting atleast two t's one possible outcome so probability is1/4

the answer is 256 +256 -512

20: 25 = 20/25 = 4/5

And given ratio is 5:4 that is 5/4So, they are not equivalent

Inmathematics,convergence testsare methods of testing for theconvergence,conditional convergence,absolute convergence,interval of convergenceor divergence of aninfinite series{\displaystyle \sum _{n=1}^{\infty }a_{n}}.

8r² = r + 2

In standard form

8r² - r - 2 = 0

Use quadratic formula

r = [-(-1) + or - √(-1)² - (-4)× (8) × (-2) ]/16

r = [ 1 + or - √(-63) ]/16

r = [ 1 or - √63 i ] /16

no, according to my answer book answer is 1/7 but I can't understand how answer is 1/7

ihfyfihohohohigihohohoh

Difference between largest number and smallest number is 740853

greatest-least=976532-235679=740853

greatest number formed = 976532least number formed = 235679difference between both = 976532 - 235679 = 740853 ( ANS )

740853 is the following question answer

740853 is the correct answer of the given question

740853 is the right answer

740853 is the correct one

740853 is the right answer

740853 is the right answer.

740853 is the correct answer

Descending order is from high to low.

45, 44, 44, 43, 42, 42, 41, 40, 40, 40, 40, 39, 38, 38, 37

thus the range is from 37 to 45

Have 4.26 = 4.2626

This number lies between 4 and 5 the distance between 4 and 5 is divided into 10 equal parts.Then the first mark to the right of 4 will represent 4.1 & second 4.2 and so on.

Now 4.2626 lies between 4.2 & 4.3. We divide the distance between 4.2 and 4.3 into 10 equal parts. 4.2626 lies between 4.26 and 4.27.

Again we divide the distance between 4.26 & 4.27 into 10 equal parts.The number 4.2626 lies between 4. 262 and 4.263.

The distance between 4.262 and 4.263 in again divided into 10 equal parts. Sixth mark from right to the 4.262 is 4.2626