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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. |
422(d) 2547. f4p- 4+4+P0, a10(a) 390(b) 392 |
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| 2. |
f 350A salesman goes from Delhi to KarnNadu which is 633 km away. The nextg 4801950s from Delhi to Karnataka which are 1927 km apart. A day later, he goes to Tamilkm away. The next week he retraces his journey. How much distance did hetravel in all |
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Answer» total distance=1927+633=2660 km |
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| 3. |
There is a 100m long train and a 1000m long tunnel ,how much time the train take to cross the tunnel if the train is moving with 10km /h. |
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Answer» you have to change 10km/h into m/s |
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| 4. |
A 100m long telephone wire carries 0.1 Acurrent when a battery of 12 v is connectedacross its ends. Find its resistance per meter. |
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Answer» we know that resistance = pL/Awhat is the value of p herelet me know |
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| 5. |
Q. 5PQRS is a ll gm find the values of required angles in figure. |
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Answer» thanks a lot |
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| 6. |
Q.4 ABCD in a II gm find the values of required angles in figure.560 |
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Answer» x = 55° ( Alternate angle) A + B = 180° ( Adjacent angle)z = 180° - 56° = 124° C = A ( opposite angle)124° = y + xy = 124° - 55°y = 69° |
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| 7. |
EXERCISE 1D1. Find each of the following products:-9 5-12 1-13 253 -7li-2 6(iv)5 35 918 2076(vii)(viii)×15 267-x(-48)x) x 24bd)24 |
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Answer» thanku |
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| 8. |
How many envelopes can be made out of a sheet of paper 125 cm by 85 cm if one evaprequires a paper of size 17 cm by 5 cm? |
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Answer» thank you |
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| 9. |
7. How many envelopes can be made out of a sheet of paper 125 cm by 85 cm; supposing oneenvelope requires a piece of paper of size 17 cm by 5 cm? |
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| 10. |
cubical box has each edge 10 cm and another cuboidal box is 125 cmwide and 8 cm high.0 Which box has the greater lateral surface area and by how much?a) Which box has the smaller total surface area and by how mach?io cm |
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| 11. |
. A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm.Find the volume of the solid so obtained. |
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| 12. |
A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side12 cm. Find the volume of the solid so obtained. |
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Answer» Let hypotenuse =13cmgiven triangle revolves around 12cmradius=5cm height=12cmvolume=1/3π×r²×Hvolume=1/3×π×5×5×12vol.=100πcm³ (nearly) second case,r=12cmh=5cmvol.=1/3×π×12×12×5vol.=240π cm³ the ratio is 100/2405:12 |
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| 13. |
A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cm.Find the volume of the solid so obtained.7. |
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| 14. |
A right triangle ABC with sides 5 cm, 12 cm and 13 cm is revolved about the side 12 cmFind the volume of the solid so obtained.1. |
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Answer» Let hypotenuse =13cmgiven triangle revolves around 12cmradius=5cm height=12cmvolume=1/3π×r^2×Hvolume=1/3×π×5×5×12vol.=100πcm ^3 (nearly) second case,r=12cmh=5cmvol.=1/3×π×12×12×5vol.=240π cm^3 the ratio is 100/2405:12 |
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| 15. |
ands Khon b |
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Answer» it is called ranches |
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| 16. |
lo lhe given -lable shown the mank' ë IQ eallege stude th in He Geeg ably ed thexamNaTneBalvindaSac hin843482Ma tthewGiltaěž.Vandito 9RomRidhinoPro naAhshitia09185/0036ha is thevehaesove g the claol |
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Answer» Average = sum of marks / number of marks= (84+34+82+97+100+36+47+89+20+60+94+85)/12= 828/12= 69 marks. Please hit the like button |
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| 17. |
3. The adjacent sides of a parallelogram are 12 cm and 8 cm. The length of the altitude corresponding tothe side 12 cm is 6 cm. Find the length of the altitude corresponding to the other side. |
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| 18. |
0.4 ABCD in a ll gm find the values of required angles in figure. |
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Answer» x = 55° ( Alternate angle) A + B = 180° ( Adjacent angle)z = 180° - 56° = 124° C = A ( opposite angle)124° = y + xy = 124° - 55°y = 69° thanks a lot |
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| 19. |
9. If the radius of the base of a right circular cylinder is halved, keping the heiygn saone, whra io theratio of the volume of the reduce cylinder to that of original. |
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| 20. |
Abustravels 126 km in 3 hoursand a trenin 5 hours.Find theratiooftravels 315 kmtheir spreds . |
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Answer» ratio is 2:3 is the right answer ratio of speed equal to 2:3 is the right answer. Ratio of their speed is 2:3 answers ratio is 2:3 is correct answer of this question speed of bus in 1 hour=126\3=42speed of train in 1 hour=315\5=63so the ratio of their speed=42:63 =2:3 |
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| 21. |
The distance from Sanju's house to school is 102 km. If Sanju visits his friend who stays3-km away from the school, how far is his friends house from his house?10 |
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Answer» the distance in his friend house and from his house is about 60km |
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| 22. |
Raheem has to travel 14 km to reach school. What distancedohe travel to go to school and come back home? |
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| 23. |
8. Tanay cycles to school at an average speed of 14 km/h and reaches senoo llr iallHow long will he take to reach the school if he cycles at an average speed of 15 km/h?nd takes 40 minutes to reach the |
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Answer» Speed =distance /timehencedistance=14*0.5=7kmhenceis speed =15km/hrthentime=7/15=0.46hours ossum |
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| 24. |
A lane, 150 m long and 9 m wide, is to be paved with bricks, each measuring 22.5 em7.5 cm. Find the number of bricks required. |
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| 25. |
31 A school bus transported an excursion party to a picnic spot 150 km away. Whilereturning, it was raining and the bus had to reduce its speed by 5 km/h, and it tookone hour longer to make the return trip. Find the time taken to return. |
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| 26. |
(iii) PQRS is a parallelogram.Fig. 8.29ABCD is a rhombus and P, Q, R and S are ©wthe mid-points of the sides AB, BC, CDand DA respectively. Show that the quadrilateral PORS is a rectangleid noints of the sides AB, BC, CD and DA |
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Answer» We have to prove it a Rectangle |
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| 27. |
A school bus transported an excursion party to a picnic spot 150 km away. Whilex-30x+30331returning, it was raining and the bus had to reduce itsone hour longer to make the return trip. Find the time taken to return.speed by 5 km/h, and it took |
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| 28. |
2. ABCDisahonbus and P Q, Ra the sides ABDA respectively, Show that the quadrilateral PORS is a rectangleand S are the mid-points ofteandandS are mid points of the sides AB, BC.O |
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| 29. |
In adjacent figure, sides AB and AC of ∆ABC areextended to points Pand Q respectivelyAlso, <PBC< <QCB. Show that AC >AB. |
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Answer» We have ∠PBC < ∠ QCBMultiplying -1 and adding 180° both sides180° - ∠PBC > 180° - ∠ QCBSo, ∠ABC > ∠ ACB, thereforeAC > AB |
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| 30. |
In || gm ABCD, AB 13 cm. Thealtitudes corresponding to the sidesAB and AD are respectively 5 em and8 cm. Find AD |
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| 31. |
In parallelogram ABCD, AB = 10 cm. The altitudes corresponding to sides AB andAD are respectively 7 cm and 8 cm. find AD?25,[2 |
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Answer» Thank you |
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| 32. |
sahil purchased 10seets of handmade paper from an NGO which supports child education programme. each sheet has the dimension of125cm by 85cm and he makes envlopes out of it .each envelops requires a piece of paper of size17cm by 25cm how many enelopes can be made in total? |
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Answer» Number of envelopes = (125*85)/(17*25) = 25. Total envelopes = 25*10 = 250. |
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| 33. |
Construct a quadrilateral ABCD in which AB = 3.5 cm, BC = 5 cm, CDand (C = 60°4.6 cm, LB = 125° |
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| 34. |
A Hemispherical tank full of water is to be emptied by a pipe at the rateof 3 liters per minutes. How long will its take to empty the tank, if thediameter of the tank is 13 m?4 |
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| 35. |
.A programme on TV starts at 11:30 a.m. and ends at 1:15 p.m. How long wasthe programme? |
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| 36. |
Which number will replace the question mark4866 1486)?46141018 1422 1115(c) 10(d) 6(a) 8(b) 4 |
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Answer» in 1st:4 + 14 = 18 in 2nd:8+14=22 in 3rd:hence, 5+x=15x=10 |
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| 37. |
Write the mirror images of ( -5) and (-2, -l) on y-axis. |
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Answer» Please like the solution 👍 ✔️ |
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| 38. |
a. ExplainLuns,theExplain the difference between alane mirror, a concave mirror andconvex mirror with respect to the tyrand size of the images produced. |
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Answer» plane mirror me apne ko dekh skta h... and concave mirror me kinaro pr mota aur bhich me ptla hota h... convex mirror= is mirror me kinaro pr ptla aur bic me mota hota h |
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| 39. |
| ग % Sl o e a o il 3W AR किसी स. श्रे- का #ावाँ पद और ब्रवाँ पद = तो सिद्ध करो कि ॥7# पर्दो कक a5 (mn + 1) B} o e |
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Answer» m बा पद=a+(m-1)d= 1/n---(1)n बा पद =a+(n-1)d=1/m-----(2)MN पदो का योग=mn/2(2a+(mn-1)dअतः |
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| 40. |
5, जन 2० 29 अब 0* न 80 दान, (नयॉडि (यू, 5 छ*स दर न 1लक अरे सह:कि vt BT (S (T AT WP छाप - 1 |
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Answer» x + z = 2y-----( 1 ) x - y = y - z -----( 2 ) b² = ac -------( 3 ) LHS= a^( y-z ) ×b^(z - x ) × c^( x - y ) = a^( x - y ) × b^( z - x ) × c^( x- y ) [from ( 2 ) ] = ( ac )^( x - y ) × b^( z - x ) = ( b² )^( x - y ) × b^ ( z - x ) [ From ( 3 ) ] = b ^ ( 2x - 2y ) × b^( z - x ) = b^ ( 2x - 2y + z - x ) = b ^ ( x + z - 2y ) = b ^ ( 2y - 2y ) [ From ( 1 ) ] = b^0 = 1 = RHS please like the solution 👍 ✔️ |
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| 41. |
हु COS UV — =24. यंदि 8 न 30 तो सिद्ध करें कि(i) _(l/ =g 8) (1 + ००४ है) - Ml(1—sin B) (1 + sin B) 32... D |
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Answer» B = 30 ((1-cosB)(1+cosB))/((1-sinB)(1+sinB)) = ((1-√3/2)(1+√3/2))/((1-1/2)(1+1/2)) = ((2-√3)(2+√3))/((2-1)(2+1)) = (4-3)/(1*3) = 1/3 If you find this answer helpful then like it. |
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| 42. |
If one-third of water tank holds 80 liters ofwater, then the quantity of water that can beheld in half-full tank will be: |
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| 43. |
A number is doubled and 9 isadded, If the resultant istripled, it becomes 75. What isthat number? |
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| 44. |
Raju's father's year of birth does not change if viewedupside down. He was born a few years after Indiagot independence. What is it? |
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Answer» As year of independence was 1947. So year in which Raju's father was born was 1961 as this year of birth does not change if viewed upside down. Ans - year 1961 |
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| 45. |
1. How much distance will a caterpillar cover in5 minutes, if it crawls forward 1 centimetre every2 seconds? |
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Answer» 1cm in 2 secondsso in 60 seconds30 cmnow in5 min= 150cm 550seconds=. minutes. seconds |
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| 46. |
An insect crawls up 5 cm every second on a 60 cm vertical rod and then falls down2 cm over the next second. How many seconds will it take to climb the rod? |
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Answer» Every two seconds, the insect climbs up 3 cm In 30 seconds, the insect climbs up 15*3 = 45 cm In 36 seconds, the insect climbs up 18*3 =54 cm In 38 seconds, the insect climbs up 19*3 = 57 cm Now, in the next second it will climb up 5 cm. Total distance climbed up by the insect in 39 seconds = 57 + 5 = 62 cm Total time taken = 39 seconds |
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| 47. |
100 every Hoora 25 Storey building is 5m hoh. Itelift mores 2 menes every seconds, how long well.fake te me from grd Heer teste |
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| 48. |
MWWMPAMWTE19. Which gas in the air supports burning(a) Oxygen(b) Hydrogen(c) Helium20. Which gas is used of making fertilisers?(c) Neorn(a) NitrogernWhich of the following is used for the construction of buildings and(a) MarbleThe molten matter inside the Earth is called-(b) Krypton21.(b) Pumice(c) Emeral22.(a) Lava ] (b) Magma ⥠(c) IgneoThe modified form of sedimentary and igneous rocks are called-(a) Metamorphic rocks(b) Sedimentary rocks23. |
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Answer» what |
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| 49. |
MathTest901456 |
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Answer» (9*10=90) (8*9=72) (7*8=56) (6*7=42) (3*6=18)Ans=18 9*10=90, 8*9=72,7*8=56,6*7=42,3*6=18ANS = 18 (*10=90) (8*9=72) (7*8=56) (6*7=42) (3*6=18)Ans=18 6 is correct answer of following question 18 is the correct answer of the given question 12 is the right answer The right answer is 18..... 12 is right answer... |
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| 50. |
Find the length of the side of a square whosearea is 441 m^2 |
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Answer» very good |
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