Saved Bookmarks
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. |
Subhash is three years older than his brother Suresh. Six years ago, Subhash's age was four timesage of Suresh. Find their present ages. |
|
Answer» thnx bhiya |
|
| 2. |
11. Mohit has 9 pencils. His friendgave him 11 more. How manypencils does he have now?Answer. Mohit haspencils. |
|
Answer» 11+9=20 is the answer Mohit has 20 pencils Mohit has 20 pencils mohit has 20 pencils 20 is the answer of the following he has 20 pencils now number of pencil = 9+11 = 20 mohit has 20 pencils. now mohit has 20 pencil 11 + 9 = 20 9 + 11 = 20 pencils. Answer. Mohit has 20 pencils. mohit has 9 pencilwhen his friend gave 11 more pencil then he have 9+11= 20;now mohit have 20 pencils 20 pencils is the right answer 20 pencils is the best answer |
|
| 3. |
22UULJle lies as old as she is now. Find her present age.32 years, Rahim will be 5 times as old as he was 8 vears ago. How old is Rahim today18. After 32 years, Rahim w8 years ago. Hower present age. |
|
Answer» let Rahim present age= x8 years ago his age= x-832 after his age= x+32A/S5(x-8)=x+325x-40= x+325x-x= 40+324x= 72x= 72/4= 18Rahim present age = 18 years let Rahim's present age = xage 8 years ago = x - 8 32 year after his age = x + 32 5(x-8) = x + 325x - 40 = x+325x - x = 40+324x =72x = 18rahim present age = 18 |
|
| 4. |
Rahim deposited? 10,000 in a company which pays 18% simple interest paFind the interest he gets for a period of 5 years. |
|
Answer» SI = (P*R*T)/100Given P = 10000, R = 18%, T = 5 yearsSI = (10000*18*5)/100 = 100*90 = 9000 Rahim gets interest = Rs 9000 |
|
| 5. |
Karim took a loan of Rupees 1500 the rate of interest same as the number of years if he paid rupees 375 as interest at the end of the loan period find the number of years |
|
Answer» 375 = 1500 * 2x/100 = 12.5 years |
|
| 6. |
IfRihanna deposits 1500 rupees in thechoolfund at 9 p.c.p.a for 2 years, whatsthe total amount she will get? |
|
Answer» PLEASE LIKE THE SOLUTION |
|
| 7. |
2. 5, 11, 23, 67. ?(A) 116(C) 110( 192) શ્રેણી પુરી કરો.3, 8, 18, 38, 78, ?(D 158(C) 150કન 12 |
|
Answer» 3+8+18+38 +78=158 158 is the answer In this AP d=5×2^nSo , the sequence continues as :- 3,8,18,38,78,158 Thus , 158 is the correct answer to this question. 3+5=8 8+10=18 18+20=38 38+40=78 78+80=158 158 3+5=88+10=1818+20=3838+40=7878+80=158thus 158 is the answer A is the right answer 158 is the answer of the following 158 . the correct answer is 158 of the following question. a. 158is correct answer |
|
| 8. |
1. If Rihanna deposits 1500 rupees in tschool fund at 9 p.c.p.a for 2 years, whis the total amount she will get? |
| Answer» | |
| 9. |
LOLILLOSolu3. For 9 cows, 13 kg 500 g of food supplement are required every day. In the sameproportion, how much will be needed for 12 cows?11telo |
|
Answer» 18 kg is the right answer 18 kg is the right answer 18 kg is the right answer for 9 cows = 13.5 kgthan 1 cow = 13.5/9=1.5 kg for 12 cows = 1.5*12=18 kg food supplement are required every day 18 kg food supplement are required everyday For 9 cows=13.5kgFor one cow =?13.5/9=1.5kgfor 12 cows=?1.5×12=18kg 18 kg. is correct answer. 156 kg 6000gram is neded for 12 cows |
|
| 10. |
If Rihanna deposite 1500 rupees in the school fund at 9 p.c.p.a for 2 yrs what is the total amount she will get . |
|
Answer» SI=P×R×T/100 =1500×9×2/100 =270Amount=P+SI=1500+270=Rs 1770 what mean s what is mean SI |
|
| 11. |
116°(7x + 12)(3x - 6) |
|
Answer» 7x+12+3x-6=11610x+6=11610x=116-610x=110x=11is the correct answer 7x+12+3x-6=11610x+6=11610x=116-610x=110x=11is the right answer of this question |
|
| 12. |
G) 4x2-3x +7 |
| Answer» | |
| 13. |
116) The successor of 99,999 = _leulakh four |
|
Answer» Successor of 99,999=1,00,000 100000 successor of99999is100000 |
|
| 14. |
If Pankąj deposits 1,50,000 rupees ina bank at 10 p.c.p.a. for two years,what is the total amount he will getfrom the bank? |
|
Answer» thanks:). ....... ...... |
|
| 15. |
A and B shared a profit of 24500 rupeesin the proportion 3:7. Each of them gave2% of his share of the profit to theSoldiers' Welfare Fund. What was theactual amount given to the Fund by eachof them? |
| Answer» | |
| 16. |
a person deposits 6400 rupees in a bank which give 12% interest. How much interest would he get after one month? |
| Answer» | |
| 17. |
3 \tan ^{2} \theta=2 \sec ^{2} \theta+1 |
| Answer» | |
| 18. |
4. A room is 9 m long, 6 m wide and 4 m high. Find the cost of plastering its walls and ceiling atthe rate of Rs 2-50 per square metre. |
|
Answer» Total surface area=2(lb+bh+hl)=2(9*6+6*4+4*9)=2(54+24+36)=2(114)=228m^2Hence total cost will be 228*2.5=570rupees we have to find surface area of only 5walls because ceiling and plastering can be done on 5walls |
|
| 19. |
n iau SUid them tor 600.103. If 24 metre of cloth is bought at? 14.50 per metre and sold it at15.75 per mere, how much is gained ?4. Mavank hu |
|
Answer» 24 metre cloth =24*14.50=348 rupeeswhen sold for 24*15.75=378 rupeeshence gain is of 378-348=30 rupees |
|
| 20. |
온10.gsand bee上 |
| Answer» | |
| 21. |
m Tme aivenăăź75GS |
|
Answer» Sum of angles in a triangle is 180in ABC75+65+y=180140+y=180y=40 similarly,in CDE40+120+x=180160+x=180x=20 |
|
| 22. |
- L= (GS-S+४१- (क) = ESolue |
| Answer» | |
| 23. |
Add the following decimals69.2, 14.1, 1S and gs |
| Answer» | |
| 24. |
5x2-4x-7=0 |
| Answer» | |
| 25. |
74x2 + 4x + 1 = 0 |
|
Answer» 4x² + 4x + 1 = 0 (2x)² + 2 × (2x) + 1 (2x+1)² = 0 |
|
| 26. |
. Ifx+y-12 & xy 14 findx+ya. 116c.-116A polynomial of degree 1 is calleda. cubicC. linearb. 118b. quadraticd. biquadra |
| Answer» | |
| 27. |
EXAMPLE 9 For what alue of k ill the following system of liner equations has no solu3x + 1(2x - 1)x+ (k - Dy 24 +1INCERT, CBS |
| Answer» | |
| 28. |
A dealer sells a toy for24 and gains as muchpercent as the cost price of the toy(i) Find the cost price of the toy.(ii) Which mathematical concept is used in the aboveproblem ?(ii) Which value is depicted in this problem? |
| Answer» | |
| 29. |
tan 3xtan x431 2cot2x+12 cos 2x+1I) 2cos 2x-1 2sin1, 200s 2x-12, 2sin 2x +12 sin 2x+12 sec 2x-1 |
|
Answer» tq |
|
| 30. |
niferer wants to simplify the expression shown in the(8x 2)Which is an equivalent expression?A 2x -8B 2x-2c 2x- 4D 2x-2 |
|
Answer» 8x - 2---------- 4 2x - 1/2 option (D) is correct thanks Please hit like button if you like my solution. |
|
| 31. |
d cotx+tanxdx cot x-tan x1) 2sin 2x04.2) -2 sec 2x tan 23) 2sec 2x tan 2x 4) 2sec 2t |
| Answer» | |
| 32. |
what must be added to 8x^4+14 x^3-2x^2+7x-8 so that the resulting polynomial is exactly divisible by 4x^2+2x-2. |
|
Answer» 8x^4+14x^3-2x^2+7x-8 ÷ 4x^2+2x-2=2x^2+5x+3= remainder; quo=5x+2 |
|
| 33. |
la+bx c+ dx p+qx ,αε ρ.Prove that : ax + b cx+d px + g = (1-x) bd 9uoν ν ω |
| Answer» | |
| 34. |
17. If y(ax + b)(cx + d) then dyi alex ±d) + c log(ax + b)a(cx d2)У- clog(ax b)cx+d3)+ log (axbax +b(cx+ d)4)y-log(ax+bax + b |
| Answer» | |
| 35. |
. Find the roots of the following quadratic equations, if they exist, by the method ofcompleting the square:1) 2x^2-7x +3x=0(2) 2x^2 +x-4=0 |
| Answer» | |
| 36. |
prove that tan^2x+cot^2x +2=sec^2x.cosec^2x |
| Answer» | |
| 37. |
4. Find the zeros of the polynomials in each of thefollowing cases:(i) p(x) = x-4,(iii) p(x) = bx,b*0(v) p (x) 2x -1(vii) p (x) = cx + d, c(i) p (x)(iv) p(x)=x+3(vi) p (x) 3x+ 74x0, c and d are real numbers. |
|
Answer» i)p (x)=0x-4=0x=4ii)p (x)=4x=0x=0iii)p (x)=bx=0x=0iv)p (x)=x+3=0x=-3v)p (x)=2x-1=0x=1/2vi)p (x)=3x+7=0x=-7/3vii)p (x)=cx+d=0x=-d/c |
|
| 38. |
4. Apply the division algorithm to find the quotient and remainder on dividing p cx) by gco) as given below.3x 5x 3 |
| Answer» | |
| 39. |
(2) The ratio of the present ages of Ram and Shyam is 3:4. The ratio ofRam's age six years hence and Shyam's age 2 years hence is 6:7. Findtheir present ages. |
| Answer» | |
| 40. |
The ages of A and B are in the ratio 8:3. Six years hence, their ages will be in the ratFind their present ages.15. |
| Answer» | |
| 41. |
1. The ages of A and B are in the ratio 83:3. Six years hence. their ages wllbe in the ratt 9:4.Find their present ages. |
| Answer» | |
| 42. |
15. The ages of A and B are in the ratio 8:3. Six years hence, their ages will be in the ratito 9: 4.Find their present ages. |
| Answer» | |
| 43. |
15. The ages of A and B are in the ratio 8:3. Six years hence, their ages will be in the ratio 9:4Find their present ages. |
| Answer» | |
| 44. |
The ages of A and B are in the ratio 8: 3. Six years hence, their ages will be in the ratio 9: 4.Find their present ages.15. |
| Answer» | |
| 45. |
Karan is three years older than Charu. Six years ago Karan's age was fourtimes Charu's age. Find the present ages of Karan and Charu. |
|
Answer» Let Charu's present age= xKaran's present age=3x 6 years ago,3x-6=4(x-6)3x-6=4x-24x=18 Therefore, Charu's age= x=18Karan's age=3x=54 |
|
| 46. |
20. Vikas is three years older than Deepika. Six years ago, Vikas's age was four timesDeepika's age. Find the ages of Deepika and Vikas. |
| Answer» | |
| 47. |
Karan is three years older than Charu. Six years ago Karan's age was fourtimes Charu's age. Find the present ages of Karan and Charu |
| Answer» | |
| 48. |
8 years ago. I was 27 years old. How old am I |
|
Answer» present age :35 |
|
| 49. |
Subhash is three years older than his brother Suresh. Six years ago, Sbhash's age was four times heage of Suresh. Find their present ages. |
|
Answer» let suresh's age be xthen subhash's age is x + 3six years agosuresh's age = x - 6subhash's age = x - 3therefore, we get equationx - 3 = 4 × (x - 6)x - 3 = 4x - 24-3x = - 21x = 7therefore suresh's age is 7 yrssubhash's age is 10 yrs |
|
| 50. |
A is three years older than B who is twice as old as C. If thetotal of the age of A, B and Cis 28, what is the age of B? |
| Answer» | |