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. |
the mass of a cell is 1600 × 10 g find the mass of 200 and write your your answer in standard form |
| Answer» MASS of 1 CELL= (1600×10) gmass of 200 cells= (200×1600×10) G= 3200000 g= 3.2×10^6 g | |
| 2. |
Which of the following are co-prime. a) 9 and 13 b) 15 and 25 |
|
Answer» a) Factors of 18 = 1, 2, 3, 6, 9,18Factors of 35 = 1, 5, 7, 35Common factor =1Since , both have only one COMMON factor, i.e., 1, therefore, they are co-prime numbers.(b) Factors of 15 = 1, 3, 5,15Factors of 37 = 1, 37Common factor = 1since, both have only one common factor, i.e., 1, therefore, they are co-prime numbers.(c) Factors of 30 = 1, 2, 3, 5, 6, 15, 30Factors of 415 = 1, 5, 83, 415Common factor = 1,5Since , both have more than one common factor, therefore, they are not co-prime numbers(d) Factors of 17 = 1, 17Factors of 68 = 1, 2, 4, 17, 34, 86Common factor = 1, 17Since, both have more than one common factor, therefore, they are not co-prime numbers(e) Factors of 216 = 1, 2, 3, 4, 6, 8, 36, 72, 108,216Factors of 215 = 1, 5, 43, 215Common factor =1Since, both Have only one common factor, i.e , 1 , therefore they are co-prime numbers. |
|
| 3. |
8281 mango trees are planted in a garden in such a way that there are as many trees in a row as there are rows in the garden. Find the number of rows and the number of trees in each row. |
|
Answer» 12234557887432fgggfgjk |
|
| 4. |
Solution of the equation 3 by 4 (x - 1) equal to x minus 3 is |
| Answer» | |
| 5. |
What amount is 20% less than 60? |
|
Answer» 48Step-by-step EXPLANATION:(20/100)×60= 1260-12= 48PLEASE MARK me as BRAINLIEST |
|
| 6. |
Find the multiplication inverse ie the reciprocal of 11 by minus 5 |
| Answer» ANSWER is -5/11 or -5 by 11Step-by-step EXPLANATION: 11/-5=-5/11 | |
| 7. |
156123+432158+710324 |
|
Answer» 156123+432158+7103245,88,281 + 7,10,324= 12,98,605Step-by-step EXPLANATION:HOPE IT WILL HELP YOU PLZZ MARK AS BRAINLIST |
|
| 8. |
Plane travels at the speed of 450 km/h . Find the time taken to travel 3900 km. |
| Answer» 450 km = 1 hour1 km =1/450 hour3900 km =1/450*3900=26/3 hourstherefore the preson will TAKE 8.6 hours | |
| 9. |
अनुराधा व्हाट टू पराठा फॉर हर लांच टू ऑफ हर फ्रेंड्स माला एंड मालती फॉरगॉट टू ब्रिंग एयरलाइंस अनुराधा मीटर इक्वल पीसीएल ऑफिस परांठा एंड शेयर्ड हर लंच इक्वली हाउ मच डिड ईच ऑफ देम गेट व्हाट वैल्यू इज अफेक्टेड बाय द सेक्शन ऑफ अनुराधा Anuradha bought 2 paranthas |
| Answer» | |
| 11. |
Give some examples of the picture |
|
Answer» -step explanation:(i) eg. 45 is WHOLE no. and integer too. but -45 is integer not whole no.(ii) eg. -2 is integer and rational no. but -2/3 is rational no. not integer Hope it HELPS you. plz MARK as brainliest and FOLLOW me. |
|
| 12. |
3. The perimeter of a rectangle is numerically equal to the area of the rectangle. If the width of rectangle is 3m, find its length.2 |
| Answer» LENGTH is 6................ | |
| 13. |
What is 7x³y+9yx³. please answer me and help me |
|
Answer» -STEP EXPLANATION:This is the SOLUTION of your QUESTION |
|
| 14. |
if a number is multiplied by 5 and 8 is subtracted from the product the result is 12 then the number is |
|
Answer» the NUMBER is 4.Step-by-step EXPLANATION:HOPE it HELPS |
|
| 15. |
To find a number which is 1000 more than the smallest 4 digit radd, multiply, subtract or divide.number we have to |
|
Answer» -step explanation:1000 is the smallest 4 digit NUMBER.therefore 1000+1000= 20002000 is the number that is 1000 more than thr smallest 4 digit number.Hope it helped :))Do FOLLOW me!! |
|
| 16. |
25cube answer this will mark u the branliest , even 26 cube ,30cube and 45 cube . pls answer . |
|
Answer» 25^3=1562526^3=1757630^3=2700045^3=91125Step-by-step EXPLANATION: |
|
| 17. |
The solution of the equation x/5+8 =10 is |
|
Answer» -STEP EXPLANATION:x/5+8=10x+40/5=10x+40= 50X= 50-40x= 10 |
|
| 18. |
please tell answer is it a rational number and how to do this explaination please and please tell whole number is closed under divide if yes/no please explain |
|
Answer» -step explanation:so 6/35 is a rational number as it can be written in the FORM of P/q where p is not EQUAL to 0 and both are integers HOPE it helps ✌ |
|
| 19. |
A tank is 3/5 full of water. 50 litres more are required to fill it up. how many litres can the tank hold. plz give step by step as u am weak in maths |
|
Answer» -STEP EXPLANATION:MARK me brainiesthope this will HELP YOI |
|
| 20. |
Find the multiplication inverse ie the reciprocal of minus 19 by 16 |
|
Answer» answer is -16/19 or MINUS 16 by 19 PLZ MARK as brainliestStep-by-step explanation: |
|
| 21. |
A student pays 21,600 asschool fees yearly. how much is his monthly fees? |
|
Answer» 1800Step-by-step explanation:For 12 MONTHS, the fee is=21600For 1 MONTH, it WOULD be =21600/12 =1800 |
|
| 22. |
(4^(-3) + 4^(-4)) / (4^(-3) - 4^(-4) |
| Answer» | |
| 23. |
If X= 3+√8, then find the value of x³-1/x³. please help |
| Answer» NG to me it's 47.921 | |
| 24. |
If x be a positive real no. such that x² + 1/x²=50/7 , Thenso, thenevaluate x+1/x² |
| Answer» | |
| 25. |
How many 1/16kg boxes of chocolate can be made with 3/2kg chocolate |
|
Answer» 241/16kg BOXES can be madeStep-by-step EXPLANATION:NUMBER of 1/16kg boxes=3/2divided by1/16=3/2/1/16=3/2x16=3x8=24 |
|
| 27. |
-8-x=x-4xdo it in step by step |
|
Answer» -STEP EXPLANATION:-8-×=×-4×=-8=×-4×+×=-8=-2×=-8÷-2=×=×=4 |
|
| 28. |
Find the value: the answer should be coming ₹ 72 |
|
Answer» -step explanation:4/5 of RS 90= 4/5×90= rs 72 ( 5×18=90) ( 18×4=72)hope it helps you. plz MARK as BRAINLIEST |
|
| 29. |
A tank is 3/5 full of water. 50 litres more are required to fill it up. how many litres can the tank hold. answer must come 125 litres question from composite mathematics Class 7 |
| Answer» ASSUME that TANK total water the tank can is X Liters.Then the equation we get from the problem:3/5 of x + 50 = x3X + 250 / 5 = x3x - 5X = -250- 2x = -250x = 250/2 = 125 Liters.Ans: 125 LitersHope it helps✔follow me✔ | |
| 30. |
2. Which of the following is not defined?(a) 12 x 0(b) 12 + 0(c) 12-0(d) 12 ÷ 0 |
|
Answer» -STEP EXPLANATION:(d) 12/0 this is your answerplease FOLLOW me and MARK me brainlist |
|
| 31. |
Find the value of (4/216^-2/3)+(1/256^-3/4)+(2/243^-1/5) |
|
Answer» -STEP EXPLANATION:FIND the VALUE of(4/216^-2/3)+(1/256^-3/4)+(2/243^-1/5) |
|
| 32. |
If x + 3 =7 then the value of 4x - 12 is |
| Answer» X+3=7X=7-3=4so if X is 4THEN 4x-124×4-1216-124mark me BRAINIEST | |
| 33. |
Find the multiplication inverse is the reciprokel of minus 19 by 16 |
| Answer» ANSWER is -16/19. MARK it as the BRAINLIEST PLEASE | |
| 34. |
1. Multiply the sum of 1 and 2 by 3 and write your answer in the tens place. 2. Divide the number of days in November by 5 and write your ar swer in the ones place.3. Subtract a half dozen by a dozen and write your answer in the tenthousands place.4. Add your three answers together and subtract 13. Write your answerin the hundreds place.I5. Add the number of hours in a day to the number in the ones placeand divide by 10. Write your answer in the hundred thousands place.6. Add the number in the tens place and 11. Subtract the sum of thenumber in the ones and tens place from the result. Write your answerin the thousands place.7. Add the number of months in a year to the number of days in theAtburateMonth Divide that number by the nurber in the tenths place. Write youranswer in the ten millions place,8. Multiply the number in the ones place by itself and divide the answerby 18. Write your answer in the millions place. |
| Answer» 1. 902. 63. 50004. 509 | |
| 35. |
Divide the sum of -14 /19 and 25/38 by thier diffrence |
|
Answer» 3/53Step-by-step EXPLANATION:-14/19+25/38= -28/38+25/38= -3/38-14/19-25/38= -28/38-25/38= -53/38-3/38 DIVIDED by -53/38= -3/38*-38/533/53 |
|
| 36. |
Find the area of quadrilateral abcd, I. Which ab=7cm, bc=6cm, cd=12cm, da=15cm and ac=9cm |
|
Answer» 74.9761Step-by-step explanation:area of quadrilateral ABCD= Area of triangle ABC + Area of triangle ADCArea of trianlge= sqrt(s(s-a)(s-b)(s-c))FOR area of triangle ABCs=(7+6+9)/2=11area of triangle ABC=sqrt(11(11-7)(11-6)(11-9))=sqrt(440)= 20.9761similarly,area of triangle ADC=54therefore area of quadrilateral ABCD=20.9761+ 54=74.9761ANOTHER WAY...LET it be 2 triangles RATHER than 1 big quadrilateral.ABC = 7/6/9 and ADC = 15/12/9total area= √(11 * 4 * 5 * 2) + (12 * 9) / 2= 2√110 + 54= 74.976177=~ 75 cm^2 |
|
| 37. |
Plz tell the correct answer |
|
Answer» a) 15,X,xStep-by-step explanation:plz MARK me as BRAINLIEST |
|
| 38. |
Tell what property allows you to compute 3/4×(8/5×5) as (3/4×8/3)×5 |
|
Answer» -STEP explanation:bsfbv DU club usvdtannzgshnc it whcgtw km g BM DC ft bhi WU ftejoxyehbrtdbrhc |
|
| 39. |
ABCD is a parallelogram in which AB = 20 cm, BC = 13 cm, AC = 21 cm. Find the area of parallelogram ABCD Guys plzzz help me by answering these question. please i am begging |
|
Answer» Your ANSWER is in this pic.AREA of parallelogram=Area of TRIANGLE ABC +Area of triangle CAD . |
|
| 40. |
A bus travels adistance of 215km in 5 hours. how far will the bus travel in11 hours ? |
|
Answer» Distance travels by a BUS=215kmTime taken=5 hoursSpeed=?So,SINCE we know that,Speed= distance/timeSpeed=215/5Speed= 43km PER hrsNow,Bus travels in 11 hours= 43*11=473 kmSo, the bus travels in 11 hours=473kmPLEASE MARK AS BRAINLIEST |
|
| 41. |
Factorize esch of the followingacube+27 |
|
Answer» Find an answer to your question factorise: 27y cube+125z cube. ... Factorization of 27 y^{3}+125 z^{3}\ \TEXT{ ... Determine graphically WHEATHER the following system of equations:3x-4y=1;8y-6x=4 is consistent or inconsistent. Step-by-step explanation: |
|
| 42. |
(a) 2+45+59+78= ?(b) 45+24+62=?(c) 15+89=? |
| Answer» 1. 1842. 1314. 104Step-by-step EXPLANATION:HOPE this HELPS you | |
| 43. |
[ 2*16 + 36 +(-3)]divided by 13 |
|
Answer» 6+(-3)]/13 =[32 + 36 + (-3)] / 13 =[68 + (-3)] / 13 =[65] / 13 = 5PLZ LIKE THE ANSWER AND MARK IT AS BRAINLIEST.ANSWER BY MANAS817 |
|
| 44. |
द प्रोडक्ट ऑफ टू रिजल्ट -2 उन्नीस |
|
Answer» -step EXPLANATION:HEY mate SORRY I can't undarstan your question |
|
| 45. |
If X= 3+√8, then find the value of x³-1/x³. |
| Answer» ANSWER :36Step-by-step explanation :x - 1 / x = 3On cubing both sides ;( x - 1 / x ) = ( 3 )³Using Identity :( a - B )³ = a³ - b³ - 3 ab ( a - b )⇒ x³ - 1 / x³ - 3 ( x - 1 / x ) = 27⇒ x³ - 1 / x³ - 3 ( 3 ) = 27⇒ x³ - 1 / x³ - 9 = 27⇒ x³ - 1 / x³ = 27 + 9⇒ x³ - 1 / x³ = 36Hence, the answer is 36...please mark as brainlist... | |
| 46. |
ABCD is a parallelogram in which AB = 20 cm, BC = 13 cm, AC = 21 cm. Find the area of parallelogram ABCD |
|
Answer» ABCD is a //GM in which AB = 20cm and BC =13cmAC=21 CMAREA of //gmDiagramTaking Small ∆s∆ABDOnce Again∆ABCSolution∆ABDFrom Heron's Formula¶utting the value=>√3×3×3×7×2×3×2×7=>3×3×2×7=>126cm²Properties of //gmOpposite sides equalDiagonal bisect the //gm in two equal AREA ThereforeArea of ∆ABC =. Area of ∆ABDRequired area of //gm ABCD is=>Area of ∆ABC + Area of ∆ABD=Area of //gm=>126+126=>252cm² |
|
| 47. |
Smallest no. by which 102487 should be divided to get a perfect square Plzplzplz Its urgent I will mark brainlist who will be 1st to answer |
|
Answer» 320.13hope it HELPS you |
|
| 48. |
-9+(3-12) with full formula |
|
Answer» - 18Step-by-step EXPLANATION:-9+(3-12) = -9 + (-9)= -18 |
|
| 49. |
Factorize the following by using a suitable identity 2√2x³ + 33 y³ |
| Answer» HLOO...ANSWER:X ³ +y ³ =(X+y)(X ² +y ² -2xy)After solving the above PROBLEM U will get the answer as(2√2x+33y)(-132√2xy).....please MARK as brainlist... | |
| 50. |
A bus travels adistance of 215km in 5 hours. how far will the bus travel in11 hours |
|
Answer» 473 kmStep-by-step explanation:In 5 hrs the bus covers the DISTANCE = 215 KmIn 1 hour the bus will cover the distance = 215/5In 1 hour the bus will cover the distance = 43 KmIn 11 hrs the bus will cover the distance = 43 ×11In 11 hrs it will cover the distance = 473 kmHOPE IT WILL HELP UPLZZ MARK MY ANSWER AS BRAINLIEST |
|