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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. |
Q2) The average age of A, B, C, D & Eis 40 years. The average age of A and B is 35 years and the averageof C and D is 42 years. Find the age of E. |
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Answer» the age of the E is 7 7 is the correct answer |
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| 2. |
SUBJECTIVE 1The average age of a class of 30students is 13 years. The averageage of 18 students out of them is15 years. Find the average age ofthe remaining students |
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Answer» Thank for giving answer |
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| 3. |
If log3 y = x and log2 z = x, then 72xis equal to13 |
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Answer» ans is y²z² |
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| 4. |
39. Average age of a group of five students is 14 yr.Ir a new student also admitted the group, newaverage age becomes 13 yr. Find the age of new |
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| 5. |
Q. 11) Solve for xlog2 + log (x+3)- log (3x-5)log3 |
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Answer» log 2(x+3)/(3x-5) = log 32(x+3)=3(3x-5)2x+6=9x-157x=21x=3 |
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| 6. |
26, Karan last 28% by selling a mobile phone for Rs 2880, Find the cost price of theС. 28%d.2670mobil phone?d. Rs 4000a. Rs 3500b. Rs 3750c. Rs 3950 |
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| 7. |
A group consists of 4 girls and 7 boys. In how many ways can a team of smembers be selected, if the team has (i) no girls (ii) atleast one boy and onegirl? |
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| 8. |
18. A group consists of 4 girls and 7 boys. In how many ways can a team of 5 members beselected if the team has (i) at least one boy and one girl? (ii) no girl? |
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| 9. |
: Exercise:of our building/ home/ school regarding disaster management is necessary?2. Explain any one disaster you faced. What are the efforts you used to came out from thatdisaster? |
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Answer» Only one time a fire caught into our building at the last floor but luckily i lived in the third floor but the smoke still came and it was smelling horrible so we had to go out of the building the smoke filled up to the whole building. |
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| 10. |
3. A mobile phone was sold at a gain of1025. If Selling Price of Rs16500, then find its cost Price. |
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Answer» Profit = Selling price - Cost priceTo find the cost price,CP = SP - Profit ==> CP = 16500 - 1025 ==> CP = 15,475 |
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| 11. |
a tap is bought a mobile phone for rs 6000 at what price should he sell it to gane a profit of 10% |
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Answer» thanks |
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| 12. |
Ravi bought a mobile phone forき20,000. He sold it for aloss of 30% to Gauri. How much did Gauri pay for the mobile phone?profit of 30% to Naveen. Naveen sold it at a5. |
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| 13. |
elling price per egg.top and a mobile phone were bought for 40000 and 24000 respectively. 1Feeper made a profit of 8% on laptop and a loss of 12% on mobile phone. Finder loss percent on the whole transaction.TYhonor mac |
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| 14. |
e present value of a mobile phone is 20,000 and it depreciates at thrate of 5% in first year and 10% every next year. Find, the value of thimobile phone after 2 years.すธุ์可マ貂 |
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Answer» 5% of 20000 is 1000 So new value of mobile phone is 20000-1000=19000 after 1 year now 10% of 19000 is 1900 So new value of phone is 19000-1900=17100 after 2 years Like my answer if you find it useful! |
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| 15. |
Ravi bought a mobile phone for 20,000. He sold it for a profit of 30% to Naveen. Naveen sold it at aloss of 30% to Gauri. How much did Gauri pay for the mobile phone? |
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| 16. |
log(4*log(5*log(6*log(7*log(3, 7), 6), 5), 4), 3) |
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Answer» 1 is the final answer |
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| 17. |
\begin{array} { l } { \text { Given that } \log _ { 5 } x - \log _ { 3 } ( x - 5 ) = \log _ { 3 } A , \text { express } A \text { in terms of } x . } \\ { \text { hence or otherwise, solve the equation } \log _ { 3 } x - \log _ { 3 } ( x - 5 ) = 1 } \end{array} |
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Answer» Thank u but can u pls solve question b too pls |
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| 18. |
Express the following as a single logarithm in their simplest forms:(a) log 5 + log 3 - log 2(b)log 9log 27 |
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| 19. |
A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. Whatis the probability that the ball drawn is red?2 |
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| 20. |
(ii) The cost of sheet for it, it a sheet measuring imCs2. The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find thecost of white washing the walls of the roopr and the ceiling at the rate of27.50 per mi.f nainting the four |
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| 21. |
ticle ts a hombus.15. (A) Find the area of the shaded region in figure, whereABCD is a square of side 10 cm and semi circlesare drawn with each side of the square as diameter(or) |
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Answer» Like if you find it useful |
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| 22. |
6.By what percent the consumption oftea be decreased so that theexpenditure does not increase if theprice of tea increases by 20%? |
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Answer» 100 টাকাই 100 কেজি চা পাওয়া যেত। ( ধরিলাম)দাম বেড়েছে 20%।সুতরাং এখন 100 কেজি চায়ের দাম 120 টাকা।সুতরাং এখন 100 টাকায় চা পাওয়া যাবে (100÷120)×100= 250/3 কেজি।সুতরাং চায়ের পরিমাণ হ্রাস পাবে(100 -250/3) = 50/3% |
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| 23. |
5. The total mass of 8 packets, each of same size is 10 kg 600 g. What is the mass of each suchpacket? |
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Answer» 1kg 325 gm is the correct answer of your question.Are you happy with the answer. |
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| 24. |
29. The total mass of 8 packets, each of the same size, is 10 kg 600 g. What is the mass of eachsuch packet? |
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Answer» 1345 grams is the answer |
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| 25. |
will be 45 cm per second(I.T.I. July 2002, D'Civil, D'Mech., Surveyor)33, A train travels from state of rest with 1.5 metres/see acceleration. At what time its(Apprentice April 2001, Pattern Maker, Painter, Carpenter,velocity will be 15 metres/second?Moulder, Furniture & Cabinet Maker, Foundryman) |
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Answer» hit like if you find it useful |
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| 26. |
A wheel of a cart is making 4 revolutions per second. If the diameter be 84 cm, find the speed of the wheel in cm/s. |
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Answer» Diameter of the wheel is 84 cmso circumference of the wheel=π×diameter=22/7×84cm=22×12cm=264cmdistance covered in one revolution=circumference of the wheel.In 1 sec there are 4 revolutionsso distance covered in 1sec=4×264cm=1056cmso speed of the wheel is 1056cm/sec |
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| 27. |
4. A batsman makes a score of 87 runs in the 17th innings and thus increases hisaverage by 3. Find his average after 17th inning. |
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Answer» Let the average after 17th match is xthen the average before 17th match is x-3 so 16(x-3) + 87 = 17x=> x = 87 - 48 = 39 |
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| 28. |
I. A batsman in his 17h inning makes a score 85 and thereby increases his average by 3. Hisaverage after 17th inning is(A) 37(B) 35. (C) 33(D) 31 |
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Answer» suppose average for 16 innings is x so after 17th inning it will be x + 3 16x + 85 = 17(x+3) 16x + 85 = 17x + 51 x = 34 so average after 17th innings = 34 + 3 = 37 |
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| 29. |
The population of a town increasedfrom 1,75,000 to 2,62,000 in adecade. The average percentincreases of population per year is |
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| 30. |
indThe results ofare given below.2004-059095Year9580XIIDraw a bar graph to represent the data.HOTS5 students is 14 years. If the teacher's age is includedof the teacher1. The average age of a class of 3the average age increases by one year. Find the agegverage marks of ten students is 60. If the highest mark is excluded, the averagehe highest mark.rs is 10 and their difference is zero. Find the numbers.240 |
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| 31. |
)A train starting from stationary position attains velocity of 72 km/h in 5minute. The train performs uniform accelerated motion.Calculate:(i) acceleration of train(ii) distance travelled by train in 5 minute./玕 |
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| 32. |
The area of the base of Cuboidal water tank is 80m square . Find the height of water in the tank if it contain 2.0 ×10×10×10×10×10 litres of water . |
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| 33. |
300 W T.V is operated every day for 6 hr. Findthe electrical energy (no. of units) consumed.(2) |
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Answer» Power = 300W = 0.3kW Time = 6hr Energy = Power * Time = 0.3 * 6 = 1.8 kWh = 1.8 units |
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| 34. |
4 The volume of water in a cuboidal tank is 100 litres. If the base of the tankis of dimensions 1 mx1 m, then what is the height of the water level in the tank ?(A) I cm(B) 10 cm(D) 10 m(C) 1 m |
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| 35. |
A pipe can fill a tank in 10 hours. The other pipe canempty a tank. Both are opened together. In how muchtime will tank be filled?के पाइप किसी के को 10 घटे में भर सकता है औरदूसरा 15 घर्ट में खाली कर सकता है तो टैंक कितने घंटे में ।।भर जायेगा। |
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Answer» 10*15/15-10=30 hours |
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| 36. |
have taIil a tank in 9 hours. The tap oflarger diameter takes 10r one to fill the tank separately. Find the time in whichim2 9, Two water taps together can filla tank in9hours.can separately fill the tank |
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| 37. |
Water in a cylindrical tank of diameter 4m and height 10 m is released through acylindrical pipe of diameter 10 cm at the rate of 2.5 Km/hr. How much time will it taketo empty the half of the tank? Assume that the tank is full of water to begin with. |
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| 38. |
16. A bucket is filled with 10 cups of water. A tank is filled with 10 buckets of water. How manycups of water is required to fill a Tank?a) 20b) 10c) 100d) 1000e) 200 |
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Answer» 10×10=100cups is the right answer. 100 cups of water filled in bucker 100 cups of water filled in bucket yes the answer will be 100 your question answer is 100 10×10=100 cups is the correct answer 100 is the best answer. 100 is the right answer...... 100 is the right one 10×10 100 is the right ans 100 is the right answer |
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| 39. |
Which one of the below is not a linear equationВ) x + 2y = y-3A) 5 + 4x 2y-2C) 3-х уг + 4 |
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Answer» 3-x= y^2+4 is not a linear equations d is the correct answer of this question |
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| 40. |
Per Sheets. The length and breadth of a playground are 62 m 60 cm and 25 m 40 cm respectively. Find thecost of turfing it at Rs 2.50 per square metre. How long will a man take to go three times roundthe field, if he walks at the rate of 2 metres per second. |
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| 41. |
30+9+62/5 |
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Answer» 51.4 is the correct answer 51.4 is the correct answer 51+2/5 is right answer for this question 39+12.451.4is the correct answer 51.4 is the correct answer 51.4 is the correct answer 51.4 is the correct answer 51.4 is correct answers 51.4 coreect answer. 51•4 is the right answer. 51.4 is the correct answer 51.4 is the right answer of following questions 😂 51.4 is correct answer of this problem 51.4 is the correct answer |
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| 42. |
23. A chord of a circle of radius 14 cm subtends an angle of 120° at thecentre. Find the area of the corresponding minor segment of the circleUse π = 22 and V3 = 1.73]24. An open metal bucket is in the shape of a frustum of a cone of height21 em with radii of its lower and upper ends as 10 cm and 20 emrespectively. Find the cost of milk which can completely fill the bucketat Rs. 30 per litre. [Use π = 22] |
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Answer» hit like if you find it useful H = 21R = 20r = 10 volume of frustum = 3.14/3*H(R^2 + r^2 +(10×20) = 3.14/3×21(100+400+200)= 15386 cubic cm liter 15386/1000 = 15.386 liters Cost = 15.386×30= 461.58 Rs |
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| 43. |
A particle moves along a straight line such that itsdisplacements at any time t is given by 87-6f+37+4metres. The velocity, when the acceleration is zero, is: |
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Answer» 2 sec Correct answer Given,s = t^3 - 6t^2 + 3t + 4 Then,Velocity is ds/dtv = 3t^2 - 12t + 3 Acceleration is dv/dta = 6t - 12 If acceleration is 06t - 12 = 06t = 12t = 12/6 = 2 Therefore,Velocity = 3*(2)^2 - 12*2 + 3= 3*4 - 24 + 3= - 12 + 3 = - 9 m/sec |
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| 44. |
In Fig. 6.33, PQ and RS are two mirrors placedparallel to each other. An incident ray AB strikesthe mirror PQ at B, the reflected ray moves alongthe path BC and strikes the mirror RS at C andagain reflects back along CD. Prove thatAB II CD. |
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| 45. |
6. In Fig. 3.33, PQ and RS are two mirrors placedkoirirrparallel to each other. An incident ray AB strikesthe mirror PQ at B, the reflected ray moves alongthe path BC and strikes the mirror RS at C andagain reflects back along CD. Prove thatAB CD.A' |
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| 46. |
6. In Fig. 6.33, PQ and RS are two mirrors placedparallel to each other. An incident ray AB strikesthe mirror PQ at B, the reflected ray moves alongthe path BC and strikes the mirror RS at C andagain reflects back along CD. Prove thatAB II CD |
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| 47. |
13. In given figure, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes themirror PO at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflectsback along CD. Prove that AB| CD. |
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| 48. |
tHe Suuns10.3 A body starts from rest and is found to cover3 m during the 5th second of its motion.Find the acceleration if it is uniformly(Ans. 0.67 m/s2)accelerated. |
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| 49. |
Simplify by using propertiesa)VwX---XXх5vw*3*5+VINU7 5Divide : |
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Answer» 8/35 is the correct answer of the given question |
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| 50. |
6. In Fig. 6.33, PQ and RS are two mirrors placedparallel to each other. An incident ray AB strikesthe mirror PQ at B, the reflected ray moves alongthe path BC and strikes the mirror RS at C andagain reflects back along CD. Prove thatAB CD.AFig. 6.33 |
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