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. |
.A change dispensing machine contains 1 rupee2 rupee and 5 rupee coins. Initially, it is filled withequal number of coins of each denomination. WhenAashish took out all five rupee coins, the totalamount remaining changed to 105. Jaspal thentook out all one rupee coins. The total amount in thechange dispensing machine finally is(A) 70 (B) 75 (C) 60 (D) 280 |
|
Answer» let no of 1rs coin be Xlet no of 2rs coin be Y i.e=2X after removing all 5rs coin total is 105rs hence we have X+Y=105 thus 3X=105 thus X=35.. there fore no of 1rs & 2rs coins are 35..each after taking all 1rs coins... only 35__2rs coins are left.. hence total amount left is 2*35= 70 rs |
|
| 2. |
The area of the 4 walls of a room is 168 m2. The breadth and height of the room are 10 mand 4 m respectively. Find the length of the room. |
| Answer» | |
| 3. |
17. The area of the 4 walls of a room is 168 m2. The breadth and height of the room are 10 mand 4 m respectively. Find the length of the room. |
| Answer» | |
| 4. |
3. An arole is bought fr000 and sold at a profit of 8% Find the selling prie |
| Answer» | |
| 5. |
5. By selling a chair for6. Santa bought eggs at30,8.40 a dozen. At what price per hundred must she sell them so as to earn aprofit of 1 5% ?s P of 4 articles, find the gain per cent.the |
| Answer» | |
| 6. |
A women brought certain number of eggs out of which 4 % were bad. After selling 75 % of the beginning, she had 96 eggs. FInd the number of eggs she bought. |
| Answer» | |
| 7. |
man bought some eggs of which 10% are rotten. He gives 80% of the remainder to hisneighbours. Now he is left out with 36 eggs. How many eggs he bought? |
|
Answer» Thanx mam |
|
| 8. |
4. The cost price of 18 eggs is the same as theselling price of 16 eggs. Find the profit per cent. |
|
Answer» Thanks bro |
|
| 9. |
b. The cost of a packet of crayons is 12. Find the number of crayons Mohit has if he buys crayon packetsfor 796 and each packet has 10 crayons. |
|
Answer» No of packets = 96/12 =8 packets No of crayons = 8*10 = 80 |
|
| 10. |
(1) 32,0 07. Use the sign of >, < or = in the box(-7) + (-4 0 (-7)-(-4)) 13-31 +11 013 - 31 - 11(v) -231 + 79 + 510-399 + 18our cach row, col. |
| Answer» | |
| 11. |
kite in, the shape of a square with cachdiagonal 32 cm and having a tail in the shapeof an isosceles triangle of base 8 cm and eachside 6 cm, is made of three different shades as Bshown in the figure. How much paper ofeach shade has been used in it? [Given:V5 2.24] |
| Answer» | |
| 12. |
walls and ceiling at20 per squaré mele.17, The area of the 4 walls of a room is 168 m2 The breadth and height of the room are 10mand 4 m respectively. Find the length of the room |
| Answer» | |
| 13. |
5. At what price should a stationer sell a box ofcrayons, bought at Rs 17.50, so that he can makean 18% profit? |
| Answer» | |
| 14. |
prove that area of 4 walls of a room is 2(l+b)×h |
|
Answer» Formula of the area of four walls, => (area of the base ) + (area of ceiling)=> Area of base = l * b=> Area of ceiling = l * b So, => (area of the base ) + (area of ceiling) = 2(l*b)=> As per Surface area of a cuboid we have 2(l+b)*h Then finally we get, Area of four walls = 2(l+b)*h |
|
| 15. |
5. At whatpriceshould a stationer sell a box ofso that he can makecrayons, bought at Rs 17.50,an 18% profit?9. |
| Answer» | |
| 16. |
mar4, Javed gave the shopkeeper a100 note after buying14. A gofa box of crayons for 26 and a geometry box foră41 . How much change will Javed get back fromthe shopkeeper?squ1015. The |
| Answer» | |
| 17. |
The area of the 4 walls of a room is 168 m2. The breadth and height of the room are 10 m and 4 m respectveFind the length of the room. |
| Answer» | |
| 18. |
The area of the 4 walls of a room is 168 m2. The breadth and height of the room are 10 mand 4 m respectively. Find the length of the room |
| Answer» | |
| 19. |
The cost of a packet of balloons is57.50 and a packet of crayons is 55.How much will Bhushan get back if hepays 150 to the shopkeeper for bothitems? |
|
Answer» total cost=57.50+55=rs 112.5he pays rs=150he gets back=150-112.5=rs 37.5 total cost =57.50+55=112.5rupeeso money returned =150-112.5=137.50rupees. the best answer is the 37.5 total cost=57.50+55=Rs 112.5 he pays rs=150 He gets back =150-112.5=Rs 37.5 57.50+55=112.5150-112.5=37.5bhushan will get 37.5, back total cost of 2 items = 112.5he pays= 150 he get = 150 - 112.5 = 37.5therefore the answer is 37.5 37.5 is the right answers therefore the answer is 37.5 37 .5 is the correct answer of this question The right answer is 37.5 Total rupee 37.5 is the correct answer |
|
| 20. |
2. Find the rule for the area of a square. |
|
Answer» Area of a square = side times side. Since each side of a square is thesame, it can simply be the length of one side squared. If a square has one side of 4 inches, the area would be 4 inches times 4 inches, or 16 square inches. thanks |
|
| 21. |
7 kg of tea costing Rs. 280 per kg is mixed with 9 kg of teacosting Rs. 240 per kg. The average price per kg of mixedtea is ?280 रुपये प्रति किग्रा. की 7 किग्रा. चाय को 240 रूपये प्रति किग्रा. की9 किग्रा. चाय के साथ मिलाया जाता है। मिश्रित चाय का औसत मूल्य प्रतिकिग्रा. बताए ?(a) Rs. 255.80(b) Rs. 257.50(c) Rs 267 20(d) Rs. 267.50 |
|
Answer» Cost of 7 kg of tea = Rs 280 per kg Cost of 9 kg of tea = Rs 240 per kg Then,Average price per kg of mixed tea = (7*280 + 9*240)/16= (1960 + 2160)/16= 4120/16= Rs 257.5 (b) is correct option Right answer is (b) Rs.257.50. |
|
| 22. |
EXERCISE 18I. A total of 20 patients admitted to a hospital have blood sugar levels as given below:67, 69, 74, 73, 70, 70, 71, 67, 73, 74, 73, 75, 69, 72, 70, 70, 72, 70, 73, 74. Make a frequency ableln ahtained hy 30 students of a class in a test out of 10 marks are as follows: |
|
Answer» number frequency67 269 270 571 172 273 474 375 1 |
|
| 23. |
A horse costing Rs480 was sold for Rs 540, Find the gain per cent. |
|
Answer» Gain = SP - CP = 540 - 480 = 60Gain % = (60/480) × 100 = 12.5 % |
|
| 24. |
A grocer buys eggs at 10 for Rs 8 and sells at 8 for Rs 10. Find his profit or losa per cent.7. 22 balls each costing Rs 35 are sold for R: 710. Find the profit or loss per cent |
|
Answer» 10 egg CP = ₹81egg cp= 8/10= ₹ 0.8 per egg8 egg cp= .8×8=6.4₹8 egg sp= ₹10profit= sp - cp = 10-6.4 = 3.6%profit= profit×100/cp = 3.6×100/6.4 = 56.25% cp of 10 eggs=Rs8cp of 1 egg =Rs8/10sp of 8 egg= Rs 10sp of 1 egg= Rs10/8Profit=sp-cp =10/8-8/10 =(100-64)/80 =36/80profit%=(profit/cp)x100=(36/80)/(8/10)x100=(36x8x100)/(80x10)=36% |
|
| 25. |
A circular flower bed has 11 diameter of 3 m. Ametal boundary costing Rs 25 per m, is to beplaced around it. |
| Answer» | |
| 26. |
LUIStructing the road at Rs.200 per mThe perimestructing the road at Rs.200 per m?a square room is 18 m and its height is 3m. What is the area of the4 walls of the room.. The din |
|
Answer» Perimeter of rectangle =2(l+b) 18=2(l+b) Then, Area of four walls =2(l+b) *h Area of four walls=18*3 Area of four walls =54m² but it is a square please reply it is mentioned that the perimeter of the square floor and it should be the formula 4* side please reply |
|
| 27. |
1.The diameter of a circular park is 84m. A 3.5m wide road runs on the outside around itcost of constructing the road at Rs.200 per m2 |
|
Answer» Radius of park = 84/2 = 42m Area of road = π(45.5² - 42²)= 962.5 m² Cost = Area*Rate= 962.5*200= ₹ 192500 Please hit the like button if this helped you but first we have to take out are area off garden and the area off road is 5544m2. then we have to substracte the m2 by the m2 of road Reply sir There are two circles, one is only the garden and the other is garden plus road. The area of the garden plus road is the outer bigger circle. The area of the garden only is the smaller inner circle. The area of the path is the difference between the area of bigger circle and smaller circle. |
|
| 28. |
प्रतिलोमinf cos-14 का मान ज्ञात कीजिए। |
| Answer» | |
| 29. |
SI=q¢ e g=q+8 ही)B el BIE b0 १ 152 ४ ५], (४ |
| Answer» | |
| 30. |
s infProve that-+c059 |
|
Answer» Please like the solution 👍 ✔️ |
|
| 31. |
1. Find the zeros of the polynomial function f(x) = 4.2 - 25.God the other rate of |
|
Answer» 5/2 is the right answer if you put 5/2 in x then you get zero so 5/2is the zeros of the Polynomial please like❤👍 5/2 is the correct answer |
|
| 32. |
.Prove that: addition of two vectors obeycommutative law. |
|
Answer» the |
|
| 33. |
the total number of permutations of the letters of the word 'INSTITUTEfin |
| Answer» | |
| 34. |
50, A student scores 64% marks in 6 papers of 150 marks each. He scores 25% ofhis total obtainand English together. How much is his total score for both the papeed marks in Hindirs? a)120 124 c)140 4)144 5) 150 |
| Answer» | |
| 35. |
ŕ¤-)+((92+80 (04 4 ORI(g)+Wwe N+ v |
|
Answer» According to BODMAS theory, {18÷(-6)}÷(-24)÷{(-24)÷(-8)} = (-3)÷(-24)÷(3) = 1/8 ÷ 3 = 1/24 Like my answer if you find it useful! |
|
| 36. |
4 Mass of l bag of nuts is 1 kg 150 g What is the mass of 5 such bags? |
| Answer» | |
| 37. |
Find the place value of the digit 5 in each of the following:(iii) 79523(i) 3572896(ii) 9765321inf twn 3's in 6435378. |
|
Answer» 1)5000002)50003)500 1)5000002)50003)500 |
|
| 38. |
Find the distance hetuseh siel ori |
|
Answer» thank u so muchhhhhhh |
|
| 39. |
20. A hemispherical tank, full of water, is emptied by a pipe at the rate of257 litres per second. How much time will it take to empty half the tank[CBSE 2012]if the diameter of the base of the tank is 3 m? |
| Answer» | |
| 40. |
20. A hemispherical tank, full of water, is emptied by a pipe at the rate f25, litres per second. How much time will it take to empty half the tankCBSE 2012if the diameter of the base of the tank is 3 m? |
|
Answer» 1 2 3 |
|
| 41. |
A dealer bought l 8 chairs atき55 per chair. He sold 6 chairs at 250 per chair and the remaining chairs at 65per chair. Find the gain or loss % |
| Answer» | |
| 42. |
The total population of a city is 17206350. There are 7201256 men and70,01,350 women and remaining are children. How many childrenare there in the city? |
|
Answer» Total population=17206350Number of men=7201256Number of women=7001350Number of children=Total-(Number of men+ number of women)=17206350-(7201256+7001350)=17206350-14202606=3003744 |
|
| 43. |
. Fifteen chairs can be bought for F3532.50. How many chairs can be bought for5416.50? |
|
Answer» Cost of 15 chairs = Rs 3532.50Cost of 1 chair = 3532.50/15 = 235.46 Then,Number of chairs can be bought in 5416.50= 5416.50/235.47= 23 Therefore number of chairs bought in Rs 5416.50 = 23 |
|
| 44. |
numerator, the fraction becomes equál 0324. A man travelled $ th of his journey by train, 1rd by taxl, i th by bus and remaining10 km on foot. Find the length of his total journey.1400.rhair, The price of two tables and three chairs is |
| Answer» | |
| 45. |
Question numbers 23 to 30 carry 4 marks eachin the figure, it is given that TR TS, ZI = 222 and 24 = 223. Prove that ARBTASAT.har twn cirls decided to share their |
|
Answer» in the given figure∆RAS=∆SBR<1 = <4and,TR = TS (given)similarly,TA = TBHence ~∆RBT = ∆SAT |
|
| 46. |
Rs. 6000 at the rate of 10% for 3 years |
|
Answer» Simple interest= PTR/100= 6000*10*3/100= 1800 |
|
| 47. |
. Average age of boys in a class is 16 years and average age of girls is 15 years, what isAverage age of all1 |
|
Answer» average age of all = 15.5 years average age of all = 15.5 years average age of all= 15.5 years average age of all= 15.5 years average age of all students = 15.5 years average age of all= 15.5 average age of all= 15.5 average age of all= 15.5 average of a ,b=a+b/215+16/2=31/2= 15.5 years avg age of boy+girls=16+15/2=31/2=15.5years avg age of boysgirls =Total of boysgirls /2=15.5 years avg age of boy +girls =16+15/2=31/2=15.5years 16 + 15 /2 = 15.5 yrs 16+15/2=31/2=15.5 yrs therefore 15.5 is the right answer of following questions 15.5 years is the right answer 16+15/2=15.5 yrs is the right answer 15.5 years is the correct answer of the question |
|
| 48. |
2 Shivani bought eggs at 30 per 10 and sold at thé rate of 46.80 per dozen. Find the gain or losspercent per egg. |
|
Answer» 100*(46.80/12-3)/30=30% gain |
|
| 49. |
The average age of 10 children is 14 yearsand the average age of 4 out of then is 12years. Find the average age of remaining 6children. |
|
Answer» average of 10 children=14×10=140, total average=12×4+6×a; 140=48+6x;; 6x=140-48=92; x=92/6=15.33 avg of 6 children=(total of 10 - total of 4)÷6=140-48)÷6=15.33333... |
|
| 50. |
The average age of 50 students of a class is 16ears. When 10 new students are admitted, thenhe average age increased by ½ years. "Theverage age of the new students is |
| Answer» | |