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. |
Find the value of x and y if 2 X + i9 (2+i)=xi7+10i16 |
|
Answer» Step-by-step explanation: SOLUTION:-2x+9i(2+i)=xi7+10×16i =>2x+18i+9i^2=I(x7+160) As we know this is a question on complex number,then i^2= (-1) so,2x-9+18i=i(7y+160) let's separate the REAL and imaginary part By separating it ,we get 2x-9=0. and. 7y+160=18 By solving the equationa we get, x=9/2 and y= -142/7 Mark as brainlist plz sorry mate for some problems I can't correct the 1st and 2ND line that 7x is changed to 7y |
|
| 2. |
Verification of 12,18,40,60 |
|
Answer» Step-by-step EXPLANATION: |
|
| 3. |
Find the area of the shaded portion...(pardon my drawings..all the circles and spaces are equal...)its urgent |
|
Answer» Answer: AREA Of Square》{Side}^2 》{14}^2 》196cm^2 Area of SHADED Portion》 Area of Square- Area of Shaded Portion. 》196 - 196÷4 {because there are 4 circles}. 》196 - 49 》147cm^2 ..________________________.. |
|
| 4. |
Find the symmetric difference between : (i) P = {2,3,5,7,11} and Y = {1,3,5,11} |
| Answer» | |
| 5. |
Prove the above one. |
|
Answer» i NEED CONSTRUCTION too |
|
| 6. |
4 x ^ 3 - 2 X ^ 2 - 3 / 2 X ^ 2 - 1 |
|
Answer» SEE the QUESTION CAREFULLY you will UNDERSTAND your SELF |
|
| 7. |
5. Mrs Harjeet lent a sum of money at 27% per annum simple Interest andreceived an interest of 2400 in 3 years. Find the sum.At what rate of percent will 1500 amounts to *2400 in 4 years. |
|
Answer» 368598 is the CORRECT answer |
|
| 8. |
Rationalise the denominator "3/2√3-5" |
|
Answer» Answer: Please follow me,say thanks to me and mark me the brainliest for my efforts and time given to you...... learnwr248.... |
|
| 9. |
3 Volume of a cone is 6280 cubic cm and base radius ofthe cone is 30 cm. find its popendicular height (T=3 /h) |
|
Answer» Answer: FOLLOW me. Mark me as the brainliest Step-by-step EXPLANATION: Volume of CONE =1/3 πr²h6280 =1/3×22/7×30²×h6280 ×3×7/1×22×30×30=h131880/22×900=height131880/19800=heightheight=6.6 cm |
|
| 10. |
RQRS is a rhombus then find x by using the data given in the following figure. |
|
Answer» Answer: ANGLE x = angle SPQ ( alternate ANGLES) ...........................SIMPLE.. |
|
| 12. |
A.P: 10, 7, 4., ......... -62 का अंतिम पद से (प्रथम पद की ओर) 11ों पद ज्ञात कीजिए । |
|
Answer» Answer: 10 - a , T1 d= -4 |
|
| 13. |
Kabir packs 2 kg sugar in packets of 250 g each jow many packeta does he make |
|
Answer» Answer: 8 packs Step-by-step explanation:
hope it is helpful, MARK it BRAINLIEST, mark it brainliest,follow me for further help have a GOOD day |
|
| 14. |
Sandra bought a mobile phone for ₹ 6000. she spent ₹ 250 on it's repair she sold it for ₹ 7000. find her profit per cent |
|
Answer»
Step-by-step EXPLANATION: total CP = 6000+250=6250 profit= 7000-6250= 750 Profit% = profit/cp×100 profit%= 750/6250 × 100 = 12% |
|
| 15. |
Q.4. Area - 136 cmBreadthcmFind the length of the rectangle plz tell with the explanation. |
|
Answer» L= 17 cm Step-by-step explanation: AREA of rectangle = length × BREADTH 136 cm2 = l × 8 cm l = 136cm2 / 8 cm l = 17cm Mark as brainliest . |
|
| 16. |
pipe a can fill and overhead tank in 10 hours and pipe B can fill it in 15 hours both the pipes are opened then after 4 hours b is closed how much time will it take to fill the remaining part of the tank |
|
Answer» pipe a will FILL 40% of tank and pipe B will fill 27% of tank Step-by-step explanation: pipe a fills tank in 15 hours therefore, in 4 hours it will fill 4/10 of tank=(4/10×100)%=40% pipe be fills tank in 15 hours therefore,in 4 hours it will fill 4/15 of tank=(4/15×100)%=26.66...%=27% |
|
| 17. |
The marks of 14 students iba science test out of 50are given below :23,34,10,45,44,47,35,37,41,30,28,32,45,39 find the mean mark |
|
Answer» 32 Step-by-step explanation: add all scores; 23+34+10+45+44+47+35+37+41+30+28+32+45 449 is answer. DIVIDE by AMOUNT of STUDENTS; 449/14 30.02 is answer |
|
| 18. |
SIMPLIFY AND EXPRESS THE RESULT IN POWER NOTATION WITH POSITIVE EXPONENT. |
|
Answer» Answer:. -5^4 Step-by-step explanation: (-3)^4 × (5/3)^4 (-3×5/3)^4. ( POWER are same, BASE are differnt) (-15/3)^4 -5^4 |
|
| 20. |
Worksheet of permeter snd area |
|
Answer» BLA bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla |
|
| 21. |
80 marks is required to pass 30 marks in the question paper. So the probability of passing is 5/8. Right or wrong? |
|
Answer» Step-by-step EXPLANATION: N(s)=80 n(a)=30 p(a)=(a)/(s) =5/8 wrong |
|
| 22. |
X/y +y/x = 1x^3+y^3 =? |
|
Answer» Step-by-step EXPLANATION: x^3+3ab+3ba+b^3 this will be EXPANSION of x^3+y^3 |
|
| 23. |
please answer my question it's very very much imp for me. if you answer my question I will mark it as brainlist answer .the correct answer will save my 5 marks |
|
Answer» sorry |
|
| 24. |
Th cost of 100 g almonds is rs 30. find th cost of almonds weighing 200 g |
|
Answer» HENCE,. 2×₹30=200g answer is 60₹ |
|
| 26. |
Prove that sum of three angles of a triangle is 180 |
|
Answer» Step-by-step EXPLANATION: REFER to ATTACHMENT. ATQ, ANGLE 1+2+3=180° Straight line. So, Henxe PROVED |
|
| 27. |
Complete the pattern 13 , 26, 52, |
|
Answer» Answer: 2×3=26 2×26=52 2×52=104 2×104=208 2×208=416 |
|
| 28. |
- Look at the measure show in the adjacent figure andfind the area of I PORS.250m explain the question360056m15m |
| Answer» | |
| 29. |
If x= 3+√2, find out value of √x+1/√x |
|
Answer» Answer: Step-by-step explanation: BrainlyQueen01Maths AryaBhatta Hey mate! _______________________ GIVEN : x = 2 + \sqrt{3} To find : x + \frac{1}{x} Solution : x = 2 + \sqrt{3} \\ \\ \frac{1}{x} = \frac{1}{2 + \sqrt{3} } \TIMES \frac{2 - \sqrt{3} }{2 - \sqrt{3} } \\ \\ \frac{1}{x} = \frac{2 - \sqrt{3} }{(2) {}^{2} - ( \sqrt{3}) {}^{2} } \\ \\ \frac{1}{x} = \frac{2 - \sqrt{3} }{4 - 3} \\ \\ \frac{1}{x} = 2 - \sqrt{ 3} Now, x + \frac{1}{x} \\ \\ \IMPLIES 2 + \cancel{\sqrt{3}} + 2 - \cancel{ \sqrt{3}} \\ \\ \implies 2 + 2 \\ \\ \implies 4 Hence, The answer is 4. _______________________ Thanks for the question ! |
|
| 31. |
If x =1-√2 find (x - 1/x)^3 |
|
Answer» Step-by-step EXPLANATION: X-1/x= (x-1)(x+1)/x (-√2)(2-√2)/1-√2) (2-2√2)/(1-√2) 2(1-√2)/(1-√2) =2 ans. |
|
| 32. |
Rationalise the denominator of 2/ 7+5 root2.... |
|
Answer» Step-by-step EXPLANATION: |
|
| 33. |
CBSE exam sample papers of class 10 of subject hindi |
|
Answer» HEY MATE YOU SHOULD VISIT CBSEONLINE SITE. IT CONTAINS MANY SAMPLE PAPERS BRAINLIEST PLZ |
|
| 34. |
Factorise 27q³ - 125p³ - 135q²p +225qp² |
|
Answer» Step-by-step EXPLANATION:P3(25-27)+45 |
|
| 35. |
Kabirs age 20 years hence will be 3 times his age 12 years ago. Kabir's present age is: |
|
Answer» Answer: 24 Step-by-step explanation: 12 years AGO his age q-12 20=2(q-12) 20=2q-24 48=2q q=24 |
|
| 37. |
3 / 5 - 2 is equal to 7 / 10 |
|
Answer» Step-by-step explanation: 3/5-2=7/5 not 7/10 if Don't FOLLOW me then...... |
|
| 38. |
A) 22b) 2426uzo4. The average of 11 results is 50. If the average of first six results is 49 and that of last six is 52, find the 6th resulta) 465756c) 55d) 45 |
| Answer» | |
| 39. |
Analytical pipe is a length of 20 metre and diameter 5 centimetre find the tatol. surface area |
|
Answer» Answer: 3.1415m^2 Step-by-step EXPLANATION: total surface AREA of the TUBE: circumference of the circle X length of the pipe radius : 0.05/2 = 0.025m length : 20m T.S.A : (2 x pi x 0.025m ) x 20m Total surface area : 3.1415 m^2 or 31415 cm^2 |
|
| 40. |
four years ago A man was three times as old as his son 5 years his age will be two times as old as his son find their present ages |
|
Answer» His son's present age = 13yrs hope it helps PLZ mark me as brainliest |
|
| 41. |
Md9235298 CHALLENGE.SOLVE THIS IF YOU CAN 2+2÷2 IS 3 KAISE BATAO |
|
Answer» Hey mate!!! |
|
| 42. |
Guy's yeh cut caise ho gya???Answer it by pointing photo of the solution. |
|
Answer» hope it HELPS you Step-by-step EXPLANATION: MARK it as BRAINLIEST |
|
| 43. |
If AB=5cm .CA =60 degree then draw the rhombusb) what is the length of BD |
|
Answer» Answer: the length of BD is 5 cm Step-by-step EXPLANATION: i think this is helpful for you |
|
| 44. |
A bus stop is barricaded from the remaining part of the road, by using 50 hollowcones made of recycled cardboard. Each cone has a base diameter of 40 cm and heightIm. If the outer side of each of the cones is to be painted and the cost of painting is12 per m', what will be the cost of painting all these cones? (Use i = 3.14 and takeV1.04 = 1.02) |
|
Answer» according to the question height of cone=1m radius=.2m since ,only outer part is to be painted...which means,curved surface area curved surface area,of cone=πr(l+r) here,l=√r^2+h^2 l=√1.04=1.02 so curved surface area=3.14(1.02+.2) =3.14×1.22 =3.83m^2 cost of painting these comes=50×3.83×12=2298 hence ,sum of 2298 will be required ...... don't take tension...mod bhi tera account BINA kisi REASON ke DELETE nhi kr SKTA........... be brainly ✌️ |
|
| 45. |
Rohit moves East 6 metre and then North 8 how far is from the starting point |
|
Answer» Step-by-step EXPLANATION: |
|
| 46. |
(8^-1 ) ( 5^3) upon 2^-4 |
|
Answer» ANS 250 Step-by-step explanation: 1/8×5×5×5×2×2×2×2 =125×2=250 |
|
| 47. |
Abparallelstode angle bac=35degree and angle cde=53degree and find angle dce |
|
Answer» 92 degrees Step-by-step explanation: angle dec = angle bac ( alternate interior ANGLES ) angle dec + angle edc + angle dce = 180 35 + 53 + x = 180 88 + x = 180 x = 180 - 88 = 92 = angle dce pls mark as brainliest answer GIVE thanks and FOLLOW me mark as brainliest answer |
|
| 48. |
Kisi varg ki pratyek Bhuja Mein Tej present vriddhi hone per is kshetrafal mein kitne pratishat vriddhi Hogi |
| Answer» | |
| 49. |
3 into x power log 2 base 5 - 2 power log x base 5 |
| Answer» | |
| 50. |
8.1+3.4*5-3.7 simplify with DMAS |
|
Answer» Answer: 8.1+3.4*5-3.7 =>8.1+17-3.7 =>25.1-3.7 =>21.4 Step-by-step EXPLANATION: |
|