InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 5551. |
7. A solid consisting ofa right circular cone of height 120 cm and radius 60 cm standing ona hemisphere of radius 60 cm is placed upright in a right circular cylinder full of watersuch that it touches the bottom. Find the volume of water left in the cylinder, if the radiusof the cylinder is 60 em and its height is 180 em. |
| Answer» | |
| 5552. |
a solid consisting of a right circular cone of height 120cm and radius 60cm standing on ahemisphere of radius 60cm is placed upright in a right circular cylinder full of water such thatit touches the bottom. Find the volume of water left is the cylnder, if the radius of the cylinderis 60cm and its height is 180cm. |
| Answer» | |
| 5553. |
15. Pipe A can fill an empty tank in 5 hours while pipe B can empty the full tank in G hours. Ifboth are opened at the same time in the empty tank, how much time will they take to fill itup completely? |
| Answer» | |
| 5554. |
14 Pipes A and B can fill an empty tank in 10 hours and 15 hours respectively. If bothopened together in the empty tank, how much time will they take to fill it completely? |
| Answer» | |
| 5555. |
Pipes A and B can fill an empty tank in 10 hours and 15 hours respectively. If both areopened together in the empty tank, how much time will they take to fill it completely? |
| Answer» | |
| 5556. |
14. Pipes A and B can fill an empty tank in 10 hours and 15 hours respectively. If both areopened together in the empty tank, how much time will they take to fill it completely? |
| Answer» | |
| 5557. |
30ad the ratio of the following:a) 30 minutes to 1.5 hours ( |
| Answer» | |
| 5558. |
Rationa lPzatiamimal。fy each3 |
|
Answer» a) 16^(1/5) × (2)^(1/5) = (16×2)^(1/5) = 32^1/5 = 2. b) ⁴√243/√3 = ⁴√3^5/√3 = 3^(5/4-1/2) = 3^(3/4) |
|
| 5559. |
7 You Spend1ours out o 24 hours at school. wnal percetAcertain alloythe alloy?consists 3 parts of tin to 5 parts of copper. What is the percentage composition ofatio of tin to copper311to ercentage increase? |
|
Answer» Total metal in the alloy=3+5=8percentage of tin=3/8*100= 37.5percentage of copper=5/8*100=62.5 percentage |
|
| 5560. |
fysin 2x cos 3x then find yn |
| Answer» | |
| 5561. |
is77/in the figure given here, name-(a) all the pairs of parallel lines..(b) four pairs of intersecting lines.(c) the lines whose point of intersection is A.(d) the lines whose point of intersection is D.(0) three sets of collinear points.(1) point of intersection of lines.(i) p and rs(1) I and p.BL |
|
Answer» a) Al and bm bm and cn Al and cnbm and Al |
|
| 5562. |
.If three lines whose equations are y - mx+ c,ym+c2 and y mr+ c, arecancurrent, then show that m,(c2-c) + m2 (C-c)+ m (,- |
| Answer» | |
| 5563. |
18. Find the equations of the lines through the point of intersection of the linesx-y + 1-0 and 2x-3y + 5-0 and whose distance from the point (3, 2) is7 |
| Answer» | |
| 5564. |
ORWrite Truc or False for the following statements.M. Three lines are congruent if they have a common pointA ray has only one end point3 A line has indefinite length. |
|
Answer» 1.true2.false3.true 1 true 2 false33 true |
|
| 5565. |
13. In the given figure, three lines AB, CD and EFintersect at a point O such that ZAOE 35and BOD-40°. Find the measure ofA 35 |
|
Answer» angle BOD= 40AOE=35EOD=180-(35+40)=180-75=105 degreeCOF=EOD=105(opposite Angles)FOB=AOE=35(opposite angle)AOC=BOD=40(opposite angle) |
|
| 5566. |
Parallel lines meet at :(i) one point7.(ii) two points(ii) three points(iv) none of these |
|
Answer» option D is the answer. parallel lines never intersect each other.4)none of this . is right ans |
|
| 5567. |
Q. 1) How many lines can be drawn through a point ?4) infinite3) three2) two1) one |
|
Answer» 4) infinite lines can be drawn |
|
| 5568. |
Search ratio 30 minutes and 1.5 Hours |
|
Answer» 1 hour=60 minutes1.5 hours=60*1.5=90 minutes 30:90=1:3 |
|
| 5569. |
19/ State two conditions under which Binary Search isapplicable |
|
Answer» Thearraymust be sorted in ascending order according to the ordering used by the comparisons in the searchfunction. |
|
| 5570. |
1. The1. The students of a class are made to stand in rows. If 4 students are extra in each row, there wouldDe 4 row less. If 4 students are less in each row there would be 4 rows more. Find the totalnumber of students in the class. |
|
Answer» Let no of rows = x and no of student in each row ytotal no of student x*yBy given condition(x-2)(y+4)=xy (i)(x+4)(y-4)=xy (ii)Solvex=8, y=12no of student = 12*8 = 96 |
|
| 5571. |
The students of a class are made to stand in rows.If4students are there in each row, there would be 2 rowsless. If4 students are less in each row, there might be 4rows more. Find the number of students in the class. |
|
Answer» Let number of rows is x and number of students is y in a row.Then total number of students = xy A/C to question,(x - 2)(y + 1) = xy ⇒xy + x - 2y - 2 = xy ⇒x - 2y = 2 -------(1) Again, (x + 3)(y - 1) = xy ⇒xy - x + 3y - 3= xy ⇒ -x + 3y = 3 -------(1) Solve equations (1) and (2), y = 5 and put it equation (1) x = 12 Hence, total number of students = xy = 12 × 5 = 60 |
|
| 5572. |
4. The students of a class are made to stand in rows. If 3 students are extra in arow, therewould be 1 row less. If 3 students are less in a row, there would be 2 rows more. Find thenumber of students in the class. |
| Answer» | |
| 5573. |
4. The students of a class are made to stand in rows. If 3 students are extra in a row, therewould be I row less. If 3 students are less in a row, there would be 2 rows more. Find thenumber of students in the class. |
| Answer» | |
| 5574. |
14. A certain number of men can do a work in 70 days. Ifthere were 2 men less it could be finished in 10 daysmore. How many men are there?a) 15 men b)17 menc) 16 men d)12 men |
|
Answer» suppose number of men=xso total work need to complete is 70xnow if 2 men less than it will take 10 more daysso 70x=(x-2)*80so 7x=8x-16so x=16so 16 men are there |
|
| 5575. |
A rectangular piece of land measures 0.7 km by 0.5 km. Each side is to befenced with 4 rows of wires. What is the length of the wire needed? |
|
Answer» 14000 mtrs |
|
| 5576. |
A PT teacher wants to arrange maximum possiblenumber of 6000 students in a field such that the numberof rows is equal to the number of columns. Find thenumber of rows if 71 were left out after arrangement.(a) 66 rows(c) 78 rows(b) 88 rows(d) 77 rows |
| Answer» | |
| 5577. |
12 men can dig a pond in 8 days. How many men can dig it in 6 days? |
| Answer» | |
| 5578. |
40 men can finish a plece of work in 26 days. How many men will be16 days? |
| Answer» | |
| 5579. |
4. 12 men can dig a pond in 8 days. How many men can dig tt in 6 days? |
| Answer» | |
| 5580. |
a lift can carry 24 children or 8 men at a time. how many men can go with 18 children. |
|
Answer» A lift can carry 24 children or 8 men so 24 children equivalent to 8 men 1 men equivalent to 3 children Total capacity = 24 children 18 children already fixed so 6 can join that means 2 men can join. 2 men can go with 18 children |
|
| 5581. |
25 members of a club of touring. There are 3 more men than women. How many men are on tour |
|
Answer» Let number of women = xThen number of men = x + 3 Given,Total number of members = 25 So, x + (x + 3) = 252x = 25 - 32x = 22x = 22/2 = 11 Therefore, Number of men on tour= 11 + 3 = 14 men are 14 and women are 11 |
|
| 5582. |
In a party of 70 people, the number of children is twice the number ofwomen, and there are twice as many men as children. How many men,women and children are there at the party?iceme |
|
Answer» Total number of people in party = 70 Let number of women = xThen number of children = 2xNumber of men = 4x Thus,x + 2x + 4x = 707x = 70x = 70/7 = 10 Therefore,Number of women = 7Number of children = 2x = 14Number of men = 4x = 28 thanks for your help. I think it is wrong because:Let women xLet men 4xLet children 2xThus,x+2x+4x= 707x=70x= 70/7=10Men= 4x = 4X10=40Women=x=1X10=10Children= 2x= 2X10= 20 |
|
| 5583. |
A metallic sphere of total volume Ď is melted and recast into the shape of a right circular cylinderradius 0.5 cm. What is the height of cylinder?15.Ë Find the point on the x-axis which is equidistant from the poin |
| Answer» | |
| 5584. |
6ë |
|
Answer» 9/20 -[1/5 +{1/4+5/6-(1/3+1/2)}]= 9/20 - [ 1/5 + {1/4 +5/6 -5/6}]= 9/20 -1/5 -1/4= 9/20 - 9/20= 0 |
|
| 5585. |
selling a computer for 45,000 a shop keeper incurred a loss of 10 %.the cost price of the computer? |
| Answer» | |
| 5586. |
4. The cost of an article was t 15,500. 450 were spent on its repairs.Ifitissold for a profit of 1 5%, find the selling price ofthe article. |
| Answer» | |
| 5587. |
-14 - 2 - 6 %2B 16 |
|
Answer» 16-[14-(2+6)]16-[14-8]16-610 |
|
| 5588. |
After selling a computer forRS. 45,000 a shop keeper incurred a loss of 10 %. Whatwas the cost price of the computer? |
| Answer» | |
| 5589. |
7. After selling a computer for? 45,000 a shop keeper incurred a loss of 10 %. Whawas the cost price of the computer? |
|
Answer» x - 10x/100 = 45000 90x = 4500000 x = 4500000/90 x = 50,000 |
|
| 5590. |
(g) The marked price of a mobile phone is 45 000. It is offered at a discount of 7%. If the rateA of tax is 16% on the selling price, find the final amountAt a sale, a dining table with marked price?43 000 is offered at 20% discount. If tax ischarged at 13% ofthe selling price, find the amount one has to pay. |
| Answer» | |
| 5591. |
By selling a chair for Rs 572, a man gains 30%. The cost price ofthe chair isa) Rs 34025.b) Rs 400c) Rs 440d) none |
|
Answer» SP = 572 GAIN = 30% CP = 572/1.3 = 440 |
|
| 5592. |
Divide 184 into two parts such that one-third of one part may exceed one-seventh of the otherpart by 8. |
| Answer» | |
| 5593. |
Divide 184 into two parts such that one-third of one part may exceed one-seventh of the otherpart by 8 |
| Answer» | |
| 5594. |
29 Divide 184 into two parts such that one-third of one part may exceed one-seventh of the other part by 8.ill he thrice as old as his son find their present |
| Answer» | |
| 5595. |
1. A survey was conducted by a group of students as a part of therogrammÄ, in which they collected the following data regarding the nuanumber of plants20 houses in a locality. Find the mean number of plants per house.Number of plants 0-2 2-4 4-6 6-8Number of houses18-10 10-12 12Which method did you use for finding the mean, and why? |
|
Answer» thanks |
|
| 5596. |
the roots of the equation x²+x-p(p+1)=0,where p is a constant |
| Answer» | |
| 5597. |
I. Asurvey was conducted by a group of students as a part of their environment awarenessprogramme, in which they collected the following data regarding the number of plants in20 houses in a locality. Find the mean number of plants per house.Number of plants 0-2 2-44-66-8 8-1010-12Number of houses12-14262Which method did you use for finding the mean, and why? |
| Answer» | |
| 5598. |
A survey was conducted by a group of students as a part of their environment awarenessprogramme, in which they collected the following data regarding the number of plants in20 houses in a locality. Find the mean number of plants per house.Number of plants 10-2 2-4 4-6 6-8 8-10 10-12 12-14Number of housesuses T2T5 62 13Which method did you use for finding the mean, and why? |
| Answer» | |
| 5599. |
16. One pipe can fill a cistern in 3 hours lessthan the other. The two pipes together canfill the cistern in 6 hours 40 minutes. Findthe time that each pipe will take to fill thecistern. |
| Answer» | |
| 5600. |
(-10.0 %2B 0.6^0)/(1/(-1/3) %2B (3/2)^3/((3/2^3))) |
| Answer» | |