581 + Interview Questions in GENERAL QA IN SIMPLIFICATION Page 6 InterviewSolution

251.	If "+" means "–", "–" means "x", "x" means "÷" and "÷" means "+", then 25 × 5 ÷ 30 + 8 – 2 =?1. 542. 153. 184. 19
Answer» Correct Answer - Option 4 : 19 "+" means "–", "–" means "×" "×" means "÷" "÷" means "+" 25 × 5 ÷ 30 + 8 – 2 Replacing the signs: ⇒ 25 ÷ 5 + 30 - 8 × 2 ⇒ 35 - 16 = 19

251.

If "+" means "–", "–" means "x", "x" means "÷" and "÷" means "+", then 25 × 5 ÷ 30 + 8 – 2 =?1. 542. 153. 184. 19

Answer» Correct Answer - Option 4 : 19

"+" means "–",

"–" means "×"

"×" means "÷"

"÷" means "+"

25 × 5 ÷ 30 + 8 – 2

Replacing the signs:

⇒ 25 ÷ 5 + 30 - 8 × 2

⇒ 35 - 16 = 19

Discussion

252.	`3463xx295-18611=? + 5883`A. 997091B. 997071C. 997090D. 999070
Answer» Correct Answer - A `?+5883=3463xx295-18611` `:. ?=1021585-18611-5883=997091`

Discussion

253.	`(23.1)^(2)+(48.6)^(2)-(39.8)^(2)=?+1147.69`A. `(13.6)^(2)`B. `sqrt(12.8)`C. 163.84D. 12.8
Answer» Correct Answer - C `?+1147.69=(23.1)^(2)+(48.6)^(2)+(48.6)^(2)-(39.8)^(2)` `:. ?=533.61+2361.96-1584.04-1147.69=163.84`

Discussion

254.	`83% "of" 6242xx12% "of" 225=?`A. 146286.42B. 134263.18C. 139883.22D. 1562218.23
Answer» Correct Answer - C `?=6242xx(83)/(100)xx225xx(12)/(100)=139883.22`

Discussion

255.	`1(1)/(8)+1(6)/(7)+3(3)/(5)=?`A. `8(121)/(140)`B. `6(163)/(280)`C. `9(197)/(280)`D. `7(117)/(140)`
Answer» Correct Answer - B `?=(9)/(8)+(13)/(7)+(18)/(5)` `=(315+520+1008)/(280)=(1843)/(280)=6(163)/(280)`

Discussion

256.	`(73)^(3)=?`A. 365127B. 298627C. 305867D. 389017
Answer» Correct Answer - D `?=(73)^(3)=(70+3)^(3)` `=(70)^(3)+(3)^(3)+3(70)^(2)(3)+3(70)(3)^(2)` `=343000+27+44100+1890=389017`

Discussion

257.	`(191xx7+231-839)=(?)^(2)`A. 27B. 3C. 23D. 37
Answer» Correct Answer - A `1337+231-839=729=(?)^(2)` `?^(2)=27xx27=729` `:.?=27`

Discussion

258.	`0.9775+999.98+98.750-9999.099=?`A. -8899.39B. 9877.92C. 8999.93D. 8899.39
Answer» Correct Answer - A `1099.7075-9999.099=-8899.39`

Discussion

259.	`(1675div5)+(5328div12)xx(840div15)=?^(2)-235`A. 152B. 138C. 158D. 142
Answer» Correct Answer - C `335+444xx56=24864+335=25199-235=24964` `158xx158=(158)^(2)`

Discussion

260.	`17.006xx0.001+21.101-31.900=?`A. 12.99B. -10.782C. 11.882D. -12.782
Answer» Correct Answer - B `0.017006+21.101=21.118` `21.118-31.900=-10.782`

Discussion

261.	`88xx888xx8888div88div8xx101=?`A. `98644859`B. `99644448`C. `99543348`D. `99643368`
Answer» Correct Answer - D `88xx888xx8888xx(1)/(88)xx(1)/(8)xx101` `=(101)^(2)xx111xx88` `=99643368`

Discussion

262.	`1777-2349-1345+6523=?`A. 3706B. 4606C. 3976D. 4176
Answer» Correct Answer - B `8300-3694=4606`

Discussion

263.	`sqrt(3099.985div62.001+14.001)xx30div6=?`A. 70B. 40C. 60D. 90
Answer» Correct Answer - B `sqrt((3100)/(62)+14)xx30div6` `sqrt(50+14)xx30div6` `8xx30div6` `=40`

Discussion

264.	`13379.75div9.75+(45.95xxsqrt(398.95))=?`A. 2580B. 2260C. 2600D. 2570
Answer» Correct Answer - B `13379.75div9.75+(45.95+sqrt(398.95))=?` `rArr1338+(46xx20)=2258`

Discussion

265.	`455.01-1345.02div24.99=2xx?`A. 200B. 250C. 220D. 150
Answer» Correct Answer - A `455-(1345)/(25)=2xx?` `rArr455-54=2xx?` `rArr401div2=200.5` `?=200`

Discussion

266.	`(sqrt(80.997)-sqrt(25.001))xx(sqrt(120.90)+sqrt(16.02))=?`A. 50B. 60C. 55D. 70
Answer» Correct Answer - B `(9-5)xx(11+4)=?` ?=60

Discussion

267.	93 × 45 ÷ 25 = ? (a) 167.4 (b) 837 (c) 279 (d) 130.2 (e) None of these
Answer» (a) ? = 93 × 45 divide 25 =93 x 45/25 = 167.4

Discussion

268.	`35154-20465-5201=?`A. 9488B. 9844C. 9484D. 9848
Answer» Correct Answer - A `?=35154-20465-5201=9488`

Discussion

269.	`243xx124-25340=?`A. `4729`B. 4792C. 4972D. 4927
Answer» Correct Answer - B `?=243xx124-25340=30132-25340=4792`

Discussion

270.	What value should come in place of question mark(?) in the question?[(130)2 ÷ 25 × 15] ÷ 30 = ?1. 3522. 3143. 3264. 3385. 426
Answer» Correct Answer - Option 4 : 338 Calculation: [130 × 130 ÷ 25 × 15]1/30 = 338

270.

What value should come in place of question mark(?) in the question?[(130)2 ÷ 25 × 15] ÷ 30 = ?1. 3522. 3143. 3264. 3385. 426

Answer» Correct Answer - Option 4 : 338

Calculation:

[130 × 130 ÷ 25 × 15]1/30 = 338

Discussion

271.	`(8)/(13)div (192)/(559)=?`A. `1(19)/(24)`B. `4(19)/(28)`C. `2(17)/(28)`D. `3(17)/(28)`
Answer» Correct Answer - A `?=(8)/(13)xx(559)/(192)=(43)/(24)=1(19)/(24)`

Discussion

272.	21 x 14 - 34/ 12.4 + 5.6 - 15.5= ? (a) 95 (b) 100 (c) 110 (d) 106 (e) None of these
Answer» (e) ? = 21 x 14 - 34/ 12.4 + 5.6 - 15.5 =294-34/18.15.5 =260/2.5 =104

Discussion

273.	7 × ? = 29.05 (a) 4.05 (b) 4.15 (c) 3.95 (d) 4.25 (e) None of these
Answer» (b) ?= 29.05/7= 4.15

Discussion

274.	559 + 965 = ? × 16 (a) 92.05 (b) 95.25 (c) 93.15 (d) 94.35 (e) None of these
Answer» (b) 559 + 965 = ? × 16 or 1524 = ? × 16 or ? = 1524/16 = 95.25

Discussion

275.	किस संख्या के वर्गमूल का एक तिहाई 0.001 के बराबर है?A. `0.0009`B. `0.000001`C. `0.00009`D. None of the above
Answer» Correct Answer - d According to the question ` 1/3sqrt(x)=0.001` `sqrt(x)=0.003` Squaring both sides `x=0.000009` `:.` Number is `=0.000009`

Discussion

276.	1008 को किस संख्या से भाग दिया जाए कि परिणाम पूर्ण वर्ग हो?A. 9B. 4C. 8D. 7
Answer» Correct Answer - D According to the question `implies1008/7=144=(12)^(2)` `:.` Number is `=7`

Discussion

277.	`root(3)(72.9/0.4096)` के बराबर है।A. `0.5625`B. `5.625`C. `182`D. `13.6`
Answer» Correct Answer - B According to the question `impliesroot(3)(72.9/0.4096)` `implies root(3)((729xx10000)/(4096xx10))` `impliesroot(3)(729/4096xx1000)` `implies 9/16 xx10implies5.625`

Discussion

278.	`2/3xx3/(5/6+2/3"of"1 1/4)` का मान ज्ञात करें?A. 2B. 1C. `1/2`D. `2/3`
Answer» Correct Answer - A According to the question ` implies2/3xx3/(5/6-:2/3 "of" 1 1/4)` `implies 2/3xx3/(5/6-: "of" 5/4)` `implies 2/3xx3/(5/6-:5/6)implies2/3xx3/1=2`

Discussion

279.	इनमें से कौन सी संख्या एक पूर्ण वर्ग भी है और एक पूर्ण घन भी है?A. 81B. 125C. 343D. 64
Answer» Correct Answer - D Only 64 is a perfect square as well as a cube `:8^(2)=64` `4^(3)=64`

Discussion

280.	एक प्राकृत संख्या का वर्ग उसी संख्या के घन से घटाया जाता है तो 48 प्राप्त होता है, तो संख्या ज्ञात करें?A. 8B. 6C. 5D. 4
Answer» Correct Answer - D According to the question `impliesx^(3)-x^(2)=48`………….i Now check from option to save your valuable time. Option (d) Number `=4` `implies(4)^(3)-(4)^(2)` `implies48` (satisfied)

Discussion

281.	`1/(3+1/(2-1/(7/9)))+17/22` का मान क्‍या है?A. `12/22`B. `22/5`C. `5/22`D. `1`
Answer» Correct Answer - D According to the question `implies1/(3+1/(2-1/(7/9)))+17/22` `implies1/(3+1/(2-9/7))+17/22` `implies1/(3+7/5)+17/22` `implies 5/(15+7)+17/22` `implies 5/22+17/22implies22/22=1`

Discussion

282.	यदि `x=1+1/(1+1/(1+1/(1+1/2)))` है तो `2x+7/4` का मान ज्ञात करें?A. 3B. 4C. 5D. 6
Answer» Correct Answer - C According to the question If `x=1+1/(1+1/(1+1/(1+1/2)))` `implies x=1+1/(1+1/(1+2/3))` `implies x=1+1/(1+3/5)` `impliesx=1+5/8impliesx=13/8` `:.` Value of `2x+7/4` is `implies2xx 13/8+7/4implies13/4+7/4` `implies 20/4=5`

Discussion

283.	सरल करें: `19/43+1/(2+1/(3+1/(1+1/4)))`A. `1`B. `19/43`C. `43/19`D. `38/43`
Answer» Correct Answer - D According to the question `implies19/43+1/(2+1/(3+1/(1+1/4)))` `implies 19/43+1/(2+1/(3+4/5))` `implies 19/43+1/(2+5/19` `implies 19/43+19/43implies38/43`

Discussion

284.	सरल करें: `8 1/2-[3 1/4+(1 1/4-1/2{1 1/2-1/3-1/6)}]`A. `4 1/2`B. `4 1/6`C. `9 1/2`D. `2/9`
Answer» Correct Answer - A According to the question `implies 8 1/2-[3 1/4 +{1 1/4-1/2(1 1/2- 1/3-1/6)}]` `implies 17/2-[13/4+{5/4-1/2(3/2-1/3-1/6)}]` `implies17/2-[13/4+{5/4-1/2((9-2-1)/6)}]` `implies17/2-[13/4+{5/4-1/2x1{]` `implies17/2-[13/4+(5-2)/4]` `implies17/2-[13/4+3/4]` `implies 17/2-16/4` `implies(34-16)/4=18/4` `implies 9/2=4 1/2`

Discussion

285.	`(.23-.023)/(.0023div23)=?`A. 0.207B. 207C. 2070D. 0.0207
Answer» Correct Answer - C Given Expression `=(0.207)/((0.0023)/(23))=(0.207)/(0.0001)=(0.2070)/(0.0001) = 2070`.

Discussion

286.	`(17xx4+4^(2)xx2)/(90div5xx12)=?`A. `(25)/(54)`B. `(22)/(57)`C. `(11)/(27)`D. `(13)/(27)`
Answer» Correct Answer - A `?=(17xx4+4^(2)xx2)/(90div5xx12)` `rArr ?=(68+16xx2)/(18xx12)` `rArr ?=(68+32)/(216)` `rArr ?=(100)/(216)=(25)/(54)`

Discussion

287.	`526xx12+188=50xx?`A. 120B. 160C. 140D. None of these
Answer» Correct Answer - D `526xx12+188=50xx?` `rArr 6312+188=50xx?` `rArr 6500=50xx?` `:. ?=(6500)/(50)=130`

Discussion

288.	`62^(2)-32^(2)+(?)^(2)=3144`A. 17B. 16C. 19D. None of these
Answer» Correct Answer - D `(62+32)(62-32)+?=3144` `rArr 94xx30+?^(2)=3144` `rArr 2820+?^(2)=3144` `rArr ?^(2)=3144-2820=324` `:. ?=sqrt(324)=18`

Discussion

289.	`3sqrt(21952)+33=?`A. 58B. 61C. 63D. 51
Answer» Correct Answer - B `?=3sqrt(21952)+33` `=3sqrt(28xx28xx28)+33` `=28+33=61`

Discussion

290.	?% of 5600-28% of 3500=1988A. 58B. 55C. 51D. 53
Answer» Correct Answer - D `(5600xx?)/(100)-(3500xx28)/(100)=1988` `rArr 56xx?-980=1988` `rArr 56xx?=1988+980=2968` `:. ?=(2968)/(56)=53`

Discussion

291.	`32000xx(3)/(4)xx?xx(1)/(2)=4800`A. `2/3`B. `3/5`C. `2/5`D. `1/4`
Answer» Correct Answer - C `32000xx(3)/(4)xx?xx(1)/(2)=4800` `rArr 12000xx? = 4800` `rArr ?=(4800)/(12000)=(2)/(5)`

Discussion

292.	`3(3)/(8)xx6(5)/(12)-2(3)/(16)xx3(1)/(2)=?`A. 21B. 18C. 14D. 15
Answer» Correct Answer - C `3(3)/(8)xx6(5)/(12)-2(3)/(16)xx3(1)/(2)` `(27)/(8)xx(77)/(12)-(35)/(16)xx(7)/(2)` `(2079)/(96)-(245)/(32)=(2079-735)/(96)=14`

Discussion

293.	`(43)^(2)+841=(?)^(2)+1465`A. 41B. 35C. 38D. 33
Answer» Correct Answer - B `(43)^(2)+841=(?)^(2)+1465` `1849+841=(?)^(2)+1465` `1225= (?)^(2)` `?=35`

Discussion

294.	`456div24xx38-958+364=?`A. 112B. 154C. 128D. 136
Answer» Correct Answer - C `456 div 24 xx 38 - 958+364=?` `=456xx(1)/(24)xx38-958+364` `=722-958+364` `=128`

Discussion

295.	`(3)/(8) "of" {4624div(564-428)}=?`A. `13(1)/(4)`B. `14(1)/(2)`C. `11(5)/(6)`D. `12(3)/(4)`
Answer» Correct Answer - D `(3)/(8)" of " {4624 div (564-428)}=?` `(3)/(8)xx{4624xx(1)/(136)}` `(3)/(8)xx34=12(3)/(4)`

Discussion

296.	1.6 x 3.2/0.08=?(a) 6.4 (b) 8 (c) 64 (d) 0.8 (e) None of these
Answer» (c) ? = 1.6 x 3.2 / 0.08 = 64

Discussion

297.	1/2 of 2/3 of 4/8 of 3750 =?(a) 625 (b) 312.5 (c) 125 (d) 250 (e) None of these
Answer» (a) ? = 3750 × 4/8 x 2/3 x 1/2 = 625

Discussion

298.	112 divide 7 divide 4 = 8 × ? (a) 0.25 (b) 0.05 (c) 0.5 (d) 8 (e) None of these
Answer» (c) 112 ÷ 7 ÷ 4 = 8 × ? 8 x ?= 112/7x4 ?=4/8=1/2=0.5

Discussion

299.	If 2x+3y=34 and ((x + y)/y)=13/8,then find the value of 5y+7x.
Answer» The given equations are: 2x+3y=34 …(i) and, ((x + y) /y)=13/8 8x+8y=13y 8x-5y=0 …(ii) Multiplying (i) by 5,(ii) by 3 and adding, we get : 34x=170 or x=5. Putting x=5 in (i), we get: y=8. 5y+7x=((58)+(75))=40+35=75

299.

If 2x+3y=34 and ((x + y)/y)=13/8,then find the value of 5y+7x.

Answer»

The given equations are:

2x+3y=34 …(i) and,

((x + y) /y)=13/8

8x+8y=13y

8x-5y=0 …(ii)

Multiplying (i) by 5,(ii) by 3 and adding, we get :

34x=170 or x=5.

Putting x=5 in (i), we get: y=8.

5y+7x=((5*8)+(7*5))=40+35=75

Discussion

300.	If x/4-x-3/6=1,then find the value of x.
Answer» (x /4)-((x-3)/6)=1 (3x-2(x-3) )/12 = 1 3x-2x+6=12 x=6.

300.

If x/4-x-3/6=1,then find the value of x.

Answer»

(x /4)-((x-3)/6)=1

(3x-2(x-3) )/12 = 1

3x-2x+6=12

x=6.

Discussion

Explore topic-wise InterviewSolutions in .

If "+" means "–", "–" means "x", "x" means "÷" and "÷" means "+", then 25 × 5 ÷ 30 + 8 – 2 =?1. 542. 153. 184. 19

`3463xx295-18611=? + 5883`A. 997091B. 997071C. 997090D. 999070

`(23.1)^(2)+(48.6)^(2)-(39.8)^(2)=?+1147.69`A. `(13.6)^(2)`B. `sqrt(12.8)`C. 163.84D. 12.8

`83% "of" 6242xx12% "of" 225=?`A. 146286.42B. 134263.18C. 139883.22D. 1562218.23

`1(1)/(8)+1(6)/(7)+3(3)/(5)=?`A. `8(121)/(140)`B. `6(163)/(280)`C. `9(197)/(280)`D. `7(117)/(140)`

`(73)^(3)=?`A. 365127B. 298627C. 305867D. 389017

`(191xx7+231-839)=(?)^(2)`A. 27B. 3C. 23D. 37

`0.9775+999.98+98.750-9999.099=?`A. -8899.39B. 9877.92C. 8999.93D. 8899.39

`(1675div5)+(5328div12)xx(840div15)=?^(2)-235`A. 152B. 138C. 158D. 142

`17.006xx0.001+21.101-31.900=?`A. 12.99B. -10.782C. 11.882D. -12.782

`88xx888xx8888div88div8xx101=?`A. `98644859`B. `99644448`C. `99543348`D. `99643368`

`1777-2349-1345+6523=?`A. 3706B. 4606C. 3976D. 4176

`sqrt(3099.985div62.001+14.001)xx30div6=?`A. 70B. 40C. 60D. 90

`13379.75div9.75+(45.95xxsqrt(398.95))=?`A. 2580B. 2260C. 2600D. 2570

`455.01-1345.02div24.99=2xx?`A. 200B. 250C. 220D. 150

`(sqrt(80.997)-sqrt(25.001))xx(sqrt(120.90)+sqrt(16.02))=?`A. 50B. 60C. 55D. 70

93 × 45 ÷ 25 = ? (a) 167.4 (b) 837 (c) 279 (d) 130.2 (e) None of these

`35154-20465-5201=?`A. 9488B. 9844C. 9484D. 9848

`243xx124-25340=?`A. `4729`B. 4792C. 4972D. 4927

What value should come in place of question mark(?) in the question?[(130)2 ÷ 25 × 15] ÷ 30 = ?1. 3522. 3143. 3264. 3385. 426

`(8)/(13)div (192)/(559)=?`A. `1(19)/(24)`B. `4(19)/(28)`C. `2(17)/(28)`D. `3(17)/(28)`

21 x 14 - 34/ 12.4 + 5.6 - 15.5= ? (a) 95 (b) 100 (c) 110 (d) 106 (e) None of these

7 × ? = 29.05 (a) 4.05 (b) 4.15 (c) 3.95 (d) 4.25 (e) None of these

559 + 965 = ? × 16 (a) 92.05 (b) 95.25 (c) 93.15 (d) 94.35 (e) None of these

किस संख्या के वर्गमूल का एक तिहाई 0.001 के बराबर है?A. `0.0009`B. `0.000001`C. `0.00009`D. None of the above

1008 को किस संख्या से भाग दिया जाए कि परिणाम पूर्ण वर्ग हो?A. 9B. 4C. 8D. 7

`root(3)(72.9/0.4096)` के बराबर है।A. `0.5625`B. `5.625`C. `182`D. `13.6`

`2/3xx3/(5/6+2/3"of"1 1/4)` का मान ज्ञात करें?A. 2B. 1C. `1/2`D. `2/3`

इनमें से कौन सी संख्या एक पूर्ण वर्ग भी है और एक पूर्ण घन भी है?A. 81B. 125C. 343D. 64

एक प्राकृत संख्या का वर्ग उसी संख्या के घन से घटाया जाता है तो 48 प्राप्त होता है, तो संख्या ज्ञात करें?A. 8B. 6C. 5D. 4

`1/(3+1/(2-1/(7/9)))+17/22` का मान क्‍या है?A. `12/22`B. `22/5`C. `5/22`D. `1`

यदि `x=1+1/(1+1/(1+1/(1+1/2)))` है तो `2x+7/4` का मान ज्ञात करें?A. 3B. 4C. 5D. 6

सरल करें: `19/43+1/(2+1/(3+1/(1+1/4)))`A. `1`B. `19/43`C. `43/19`D. `38/43`

सरल करें: `8 1/2-[3 1/4+(1 1/4-1/2{1 1/2-1/3-1/6)}]`A. `4 1/2`B. `4 1/6`C. `9 1/2`D. `2/9`

`(.23-.023)/(.0023div23)=?`A. 0.207B. 207C. 2070D. 0.0207

`(17xx4+4^(2)xx2)/(90div5xx12)=?`A. `(25)/(54)`B. `(22)/(57)`C. `(11)/(27)`D. `(13)/(27)`

`526xx12+188=50xx?`A. 120B. 160C. 140D. None of these

`62^(2)-32^(2)+(?)^(2)=3144`A. 17B. 16C. 19D. None of these

`3sqrt(21952)+33=?`A. 58B. 61C. 63D. 51

?% of 5600-28% of 3500=1988A. 58B. 55C. 51D. 53

`32000xx(3)/(4)xx?xx(1)/(2)=4800`A. `2/3`B. `3/5`C. `2/5`D. `1/4`

`3(3)/(8)xx6(5)/(12)-2(3)/(16)xx3(1)/(2)=?`A. 21B. 18C. 14D. 15

`(43)^(2)+841=(?)^(2)+1465`A. 41B. 35C. 38D. 33

`456div24xx38-958+364=?`A. 112B. 154C. 128D. 136

`(3)/(8) "of" {4624div(564-428)}=?`A. `13(1)/(4)`B. `14(1)/(2)`C. `11(5)/(6)`D. `12(3)/(4)`

1.6 x 3.2/0.08=?(a) 6.4 (b) 8 (c) 64 (d) 0.8 (e) None of these

1/2 of 2/3 of 4/8 of 3750 =?(a) 625 (b) 312.5 (c) 125 (d) 250 (e) None of these

112 divide 7 divide 4 = 8 × ? (a) 0.25 (b) 0.05 (c) 0.5 (d) 8 (e) None of these

If 2x+3y=34 and ((x + y)/y)=13/8,then find the value of 5y+7x.

If x/4-x-3/6=1,then find the value of x.