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. |
5. If a sin2 θ + b cos2 θ = c, then prove thatC-ba-c1 1-sin A |
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| 2. |
14. A water tank holds 1251 of water. If971 500 ml of the water is used, howmuch water remains in the tank? |
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Answer» 27 L and 500 ml is remain in tank that's a correct answer and perfect answer 27.5 litre of water is remaining 125 L ÷ 97 L AND ANYTHING ANSWER × BY 500 ML AND THAT IS YOUR ANSWER OK BY LIKE PLZ the answer is 27 liter 500ml remains water=125-97.5=27 litre 500ml the answer is 27 L and 500 ml is remain in tank A water tank hold =125 litres If 97 l 500ml is used..so,125 l -97 l 500ml = 27 litres 500ml .... is the right answer for this questions...... correct answer is 27L and 500 ML 27l 500ml of water remains in the tank 27 L and 500ml is the correct and best answer for question Giventotal quantity of water in tank= 125lQuantity of water used= 97l 500mltherefore remaing water = total water - used water =125l - 97l 500ml = 27l 500ml SOLVED |
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| 3. |
wanted 24Change 179 7 950 ml into ml.mille in 7 con |
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Answer» We know that1 litre= 1000 mlso179 l = 179000mlnow179000ml+950ml = 179950ml |
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| 4. |
wer dlagonalThe area of a rhombus is 119 cm2 and its perimeter is 56 cm. Find its height.The area of a rhombus is 441 om 2 |
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| 5. |
The ratio of number of boys and girls in aschool is 3 : 2. If 20% of the boys and 30% ofthe girls are scholarship holders, find thepercentage of students who are not scholarshipholders. |
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Answer» the answer is 76%. please mark me as best for explaination. Given ratio is 3:2. The percentage of boys with scholarship is 20% and the percentage of girls with scholarship is 30%. The percentage of boys without scholarship is 80% and the percentage of girls without scholarship is 70%. so, (80/100)(3/5)+(70/100) (2/5) =48/100+28/100 =76/100 The result is 76%. |
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| 6. |
. The ratio of the number of boys and girls in aschool is 3 : 2. If 20% of the boys and 30% of thegirls are scholarship holders, the percentage of thestudents who are not scholarship holders, is(a) 50%(c) 7590(b) 72%(d) 76% |
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| 7. |
ratio of the number of boys and girls in aschoogirls are scholarship holders, the percentage of thestudents who are not scholarship holders, is(a) 50%(c) 7590l is 3 : 2. If 20% of the boys and 30% of the(b) 72%(d) 76% |
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| 8. |
(C)2970044550(D)rs a distance of 3400 km in 4 hours. How far will it go in 7 hours?The price of 8 umbrellas is 2200 Find |
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Answer» Distance covered by plane in 1 hour= 3400km/ 4h = 850km/hso, in 7 hour plane can travel = 850× 7 = 5950km |
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| 9. |
2. If 30 metres of cloth can be bought for Rs 810, how many metres of cloth can be bought forRs 1215?3 A car can reach a certain place n 12 hours at the need of 60 km/hr Bv how much should |
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Answer» 30 metres of cloth is 810 rupees => 1 metre = 810/30 = 27rupees now let the metres of cloth for 1215 rupees be x => cost of the cloth = 27×x but given cost = 1215 => 27x = 1215=> x= 1215/27 = 45 therefore cloth for 1215 rupees is 45 metres. |
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| 10. |
M9. If A, B and C are interior angles of a triangle ABC, then shthat sin(--cos2B+ C2B+C |
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| 11. |
10. What is the cost of e kg of sugar at sh63.50 per kg and m kg of sugar at shsy per kg.A. sh63.50y+B.sh 63.50ctmyC. sh 63.50 m + yD.sh"6350 |
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Answer» It will besh 63.50 c+mythanks |
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| 12. |
One cricket bat costs 15 less than half the costof the other cricket bat. What is the cost of theother bat. if the cost of the first bat is 200? |
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| 13. |
9. By what number shbe divided, so that the quotient |
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Answer» Let's assume the number as x According to Question, (5 / 4)⁻³ ÷ x = (15 / 16)⁻² ⇒ (4 / 5)³ = (16 / 15)² × x ⇒ (4)³ / (5)³ = (16)² / (15)² × x ⇒ 64 / 125 = 256 / 225 × x ⇒ 64 / 125 × 225 / 256 = x ⇒ 1 / 5 × 9 / 4 = x ⇒ 9 / 20 = x ⇒ 0.45 ≈ x Hence, the number is ( 9 / 20 ) |
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| 14. |
One cricket bat costs 15 less than half the costof the other cricket bat. What is the cost of theother bat, if the cost of the first bat is 3200? US |
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Answer» One bat cost is 85 rupees if the bat 1 is 200 then 2nd bat costs 15rs less than half the cost of first onenow half of 200 is 100 and 15, less than 100 is 85 so the bat will cost 85 rupees |
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| 15. |
2.4895 and a cricket batVinay bought a mobile phone forforă1102. How much money did he spend in all? |
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Answer» total money spent= Rs (4895+1102)=Rs 5997 hit like if you find it useful |
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| 16. |
4) One cricket bat costs 15 less than half the costof the other cricket bat. What is the cost of theother bot, if the cost of the first bat is 200? |
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| 17. |
25. After spending of his salary, Salama wasleft with sh 1200. How much did he spend?A. sh 1600B. sh 400C. sh 800D. sh 100 |
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| 18. |
23.Mutisya bought a shirt at sh 560after being allowed a discount of20%,What was the marked price?A. sh 700 B. sh 740C. sh 712 D. sh 448 |
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Answer» X-20x/100= 560x- 0.2x= 5600.8x= 560x= 560/0.8x= 700shplease like the solution 👍 ✔️👍 |
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| 19. |
oroge spentof his salary onof the remainder on food.19. Njrent, 5rest of the salary was usedTheon other expenses. How muchwas his salary if other expenseswere sh 1 200?A. sh 9 600 B. sh 4 800C. sh 3 600 D. sh 4 560 |
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Answer» Let total salary = x Then,Spent on rent = 3x/8Spent on food = (3/5)*(x - 3x/8) = 3x/8Other expenses= x - 2*3x/8= x - 3x/4= x/4 But, x/4 = 1200x = 4800 Total salary = sh 4800 |
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| 20. |
ISE 8.6the decimal point in the correct places in the2 = 1650 6502. 0.03 x 9 275· 0.16 × 4 = 643, 1.05 x 3 =6. 1.5 xhe products.2. 0.2 x 33. 1.2 x S6. 0.06 |
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Answer» 2)0.273)3.155)0.646)10.5 |
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| 21. |
solidcuboidal piece of iron measures8 cm X 2 cm X 4 cm. Find its weight if 1cu. cm. ofiron weight 12 gramsIts |
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Answer» Volume = lbh = 8*2*4 = 64 cm³. Weight = Density*Volume= 12*64= 768 gmPlease hit the like button if this helped you. |
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| 22. |
he decimal point in the correct places in the givenPut t2, 0.03 × 9 = 275, 0.16 × 4 = 643 x 50 650d the products.2。0.2 × 35.0.8×3 = |
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Answer» 2. 0.2 × 3 = 0.65. 0.8 × 3 = 2.4 1. 8 × 0.2 = 1.62. 0.03 × 9 = 0.273. 0.3 × 50 = 654. 0.16 × 4 = 0.64 |
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| 23. |
If the area of a circle is 88.2 sq.m& T3.142,find radius correct to 2 decimal p laces. |
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Answer» area = πr^2 88.2 = 3.142 x r^2r^2 = 28.071292170r = 5.2982348164r is approx 5.30 |
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| 24. |
When we multiply a decimal number by1000, decimalpoint is shifted three places to |
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Answer» decimal point is shifted to right left |
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| 25. |
The marked price on an electric heater isRs 1250 and the shopkeeper allows a discount of10% on it. Find the selling price of the heater. |
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| 26. |
Out of an earning of Rs. 1020 Krishnaspends 65%. How much does he save? |
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| 27. |
4. Out of an earning of Rs.720 Ram spends 65%. How much does he save?a) Rs.275 b) Rs.390 c) Rs.316 d) Rs.252 |
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Answer» Savings % = (100 - 65) % = 35 %Saving = 35 % of Rs. 720= Rs(35/100 ×720) = Rs. 252 |
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| 28. |
A hostel spends 3200 as cost of rice for 20 students for 30 days. If it spends 240030 students, for how many days will the rice last? |
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Answer» why we multiply 3200 and 80 to get total food |
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| 29. |
Find the probability of gettinga. Almost 2 headsOn tossing 2 coins simultaneously.b) At-least 2 heads |
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Answer» when you can find my answer then I will help you |
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| 30. |
The coach of a cricket team buys 7 bats and 6 balls for Rs 3800buys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each ba. Late |
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| 31. |
(ii) The coach of a cricket team buys 7 bats and 6 balls for 3800. Later, she buys 3bats and 5 balls for? 1750. Find the cost of each bat and each ball. |
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Answer» thnxx I need only with using substitution method |
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| 32. |
iThe coach of a cricket team buys 7 bats and 6 balls for 3800. Later, she buys 3bats and 5 balls for R1750. Find the cost of each bat and each ball. |
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| 33. |
) The coach of a cricket team buys 7 bats and 6 balls for Rs 3800. Later, shebuys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each ball. |
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| 34. |
iii) The coach of a cricket team buys 7 bats and 6 balls for Rs 3800buys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and cach ban te |
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| 35. |
shebuysanotThe coach of a cricket team buys 3 bats and 6 balls for 3900.bat and 3 more balls of the same kind for 1300. Represent this situation algebraical.and geometrically.Later, |
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| 36. |
ii) The coach of a cricket team buys 7 bats and 6 balls for Rs 3800. Later, shebuys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each ball. |
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Answer» Thanks! Great answer. Regards:Pirzada Najmu Zuha- The Motivational Speaker |
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| 37. |
i)The coach of a cricket team buys 7 bats and 6 balls for Rs 3800. Laterbuys 3 bats and 5 balls for Rs 1750. Find the cost of each bat and each bal St |
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| 38. |
pradeer vattenpted 9 of the total no 0%questions in an examination. If of theanswers were wrong, what praction of theattempted questions did he aroweredcorrectly? |
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Answer» let total questions=Xattempted=9X/10 wrong answers=(9X/10)×(3/8)=27X/80 right answers=(9X/10)-(27X/80)=(72X-27X)/80=45X/80=9X/16. he attempted 9/16 right questions. |
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| 39. |
A.In one study, wild dogs hunting in groups of three or fewer caught7 out of 15 wildebeest that they pursued. What percent of thewildebeest did they catch? |
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Answer» (7/15)*100 = 140/3 = 46.667% |
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| 40. |
aloby + ŹĆSimplify |
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Answer» LCM = 3612x14+7*18-31*6/36168+126-186/36=3 = (28 + 21 - 31) / 6= 3 3 is the best answer 14/3+7/2-31/6 Final result : 3 Step by step solution : Step1: 31 Simplify —— 6 Equation at the end of step1: 14 7 31 (—— + —) - —— 3 2 6 Step2: 7 Simplify — 2 Equation at the end of step2: 14 7 31 (—— + —) - —— 3 2 6 Step3: 14 Simplify —— 3 Equation at the end of step3: 14 7 31 (—— + —) - —— 3 2 6 Step4: Calculating the Least Common Multiple : 4.1 Find the Least Common Multiple The leftdenominatoris : 3 The rightdenominatoris : 2 Number of times each prime factorappears in the factorization of:PrimeFactorLeftDenominatorRightDenominatorL.C.M = Max{Left,Right}31012011Product of allPrime Factors326 Least Common Multiple:6 Calculating Multipliers : 4.2 Calculate multipliers for the two fractions Denote the Least Common Multiple byL.C.M Denote the Left Multiplier byLeft_M Denote the Right Multiplier byRight_M Denote the Left Deniminator byL_Deno Denote the Right Multiplier byR_Deno Left_M=L.C.M/L_Deno=2 Right_M=L.C.M/R_Deno=3 Making Equivalent Fractions : 4.3 Rewrite the two fractions intoequivalent fractions Two fractions are calledequivalentif they have thesame numeric value. For example : 1/2 and2/4are equivalent,y/(y+1)2and(y2+y)/(y+1)3are equivalent as well. To calculateequivalent fraction, multiply theNumeratorof each fraction, by its respectiveMultiplier. L. Mult. • L. Num. 14 • 2 —————————————————— = —————— L.C.M 6 R. Mult. • R. Num. 7 • 3 —————————————————— = ————— L.C.M 6 Adding fractions that have a common denominator : 4.4 Adding up the two equivalent fractionsAdd the two equivalent fractions which now have a common denominator Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible: 14 • 2 + 7 • 3 49 —————————————— = —— 6 6 Equation at the end of step4: 49 31 —— - —— 6 6 Step5: Adding fractions which have a common denominator : 5.1 Adding fractions which have a common denominatorCombine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible: 49 - (31) 3 ————————— = — 6 1 Final result : 3 Processing ends successfully 14/3+7/2-31/6 Final result : 3 Step by step solution : Step1: 31 Simplify —— 6 Equation at the end of step1: 14 7 31 (—— + —) - —— 3 2 6 Step2: 7 Simplify — 2 Equation at the end of step2: 14 7 31 (—— + —) - —— 3 2 6 Step3: 14 Simplify —— 3 Equation at the end of step3: 14 7 31 (—— + —) - —— 3 2 6 Step4: Calculating the Least Common Multiple : 4.1 Find the Least Common Multiple The leftdenominatoris : 3 The rightdenominatoris : 2 Number of times each prime factorappears in the factorization of:PrimeFactorLeftDenominatorRightDenominatorL.C.M = Max{Left,Right}31012011Product of allPrime Factors326 Least Common Multiple:6 Calculating Multipliers : 4.2 Calculate multipliers for the two fractions Denote the Least Common Multiple byL.C.M Denote the Left Multiplier byLeft_M Denote the Right Multiplier byRight_M Denote the Left Deniminator byL_Deno Denote the Right Multiplier byR_Deno Left_M=L.C.M/L_Deno=2 Right_M=L.C.M/R_Deno=3 Making Equivalent Fractions : 4.3 Rewrite the two fractions intoequivalent fractions Two fractions are calledequivalentif they have thesame numeric value. For example : 1/2 and2/4are equivalent,y/(y+1)2and(y2+y)/(y+1)3are equivalent as well. To calculateequivalent fraction, multiply theNumeratorof each fraction, by its respectiveMultiplier. L. Mult. • L. Num. 14 • 2 —————————————————— = —————— L.C.M 6 R. Mult. • R. Num. 7 • 3 —————————————————— = ————— L.C.M 6 Adding fractions that have a common denominator : 4.4 Adding up the two equivalent fractionsAdd the two equivalent fractions which now have a common denominator Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible: 14 • 2 + 7 • 3 49 —————————————— = —— 6 6 Equation at the end of step4: 49 31 —— - —— 6 6 Step5: Adding fractions which have a common denominator : 5.1 Adding fractions which have a common denominatorCombine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible: 49 - (31) 3 ————————— = — 6 1 Final result : 3 LCM of 3, 2 & 6 is 36=14×12/3×12 + 7×18/2×18 - 31×6/6×6= 168/36 + 126/36 - 186/36=168+126-186/36=108/36=3 is your answer of the given question. =(28+21 ‐31)/6 = 3 answer 3 is correct answer. 3,2,6 L.C.M. = 6= (28+21-31)/6= (49-31)/6= 18/6=3 LCM=62×14+3×7-1×3128+21-3118 3 is correct answer lcm = 3612×14+7*18-31*6/36168+126-186/36=3 ANS 3 is best answer for this question |
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| 41. |
cylinden whichalo |
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Answer» Given: Edge of a cube= 14 cm Volume of the largest right circular cylinder = Volume of the cylinder with diameter of base 14 cm and height 14 cm Radius of cylinder= diameter/2= 14/2=7 cm Height of cylinder = 14 cm Volume of cylinder = πr²h Vol. of largest right circular cylinder = (22/7)×(7)²×14 = 22×(7)²×2 = 22×49×2 = 2156 cm² Hence, the volume of the largest right circular cylinder which can be cut of a cube, each edge of which is 14 cm long is 2156 cm² |
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| 42. |
0.How many 50 Paise coins are therein Rs. 9.75 P.? |
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Answer» As 2 50 paise in 1 rupeesHence in 9 rupees =2*9=18 coinsnow in 75 paise=50paise +25 paise hence 1 coin more19coins |
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| 43. |
7t find he ValueRioles of the falan alo |
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Answer» Sides of right angle triangle arex - 1, x, x + 1 Using pythagoras theoram (x + 1)^2 = x^2 + (x - 1)^2x^2 + 1 + 2x = x^2 + x^2 + 1 - 2xx^2 - 4x = 0x(x - 4) = 0x = 0, 4 Zero value not possible. So value of x = 4 Sides of triangle are:(x - 1) = 4 - 1 = 3x = 4(x + 1) = 4 + 1 = 5 |
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| 44. |
20 m2s Taiher dauhter six y ears aterswill be te times as alo as hdavanter. find the po esents |
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| 45. |
प्रश्न 47 यदि a+b+c=0 और ab+bc+ca=5, तो a+b+c' का मान होगा?(alo7L}( 2obo131 |
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Answer» As we knowa3 +b3 + c3 – 3abc = (a+b+c) (a2 + b2 + c2 – ab – bc – ca) Given,a + b + c = 0, ab + bc + ca = 5 Therefore, a3 +b3 + c3 – 3abc = 0* (a2 + b2 + c2 – 5) a3 + b3 + c3 - 3abc = 0 a3 + b3 + c3 = 3abc |
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| 46. |
5. Answěr the tolloWing.a. Roma bought 875 shirts and divided equally among her 5friends. How many shirts does each get? rts4. |
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Answer» no of shirts to each = total no of shirts/no of persons = 875/5 = 175 shirts Like my answer if you find it useful! 175 shirts of a person |
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| 47. |
In Fig. 6.33, PO and RS are two mirrors plaparallel to each other. An incident raythe mirror PQ at B, the reflected ray moves alothe path BC and strikes the mirror RS at C anagain reflects back along CD. Prove that.AB strikesFig. 6.33 |
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| 48. |
eight multiply by eight |
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Answer» 8 × 8 = 64 8 x8=64law of multiplication |
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| 49. |
4. Seeta has 25 pens. She divided these pens among her 5friends equally. How many pens does each friend get?Ans.: |
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Answer» Total pens=25Number of people=5 Number of pens each friend gets=25/5=5 |
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| 50. |
The number of ways in which 12 students can be equally divided into three groups is(a) 5775(b) 7575(c) 7755(d) none of these |
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Answer» SO first select 4 out of 12 then again 4 out of remaining 8 then again 4 out of remaining 4 It will be 12C4* 8C4 * 4C4 = 12!/4!*4!*4! but here when you notice closely you will find that you counted same case 3! times instead of one This is a problem in this method. To avoid this you divide it by 3! in above expression. = 12!/4!*4!*4!*3! =5775 ways. bhai thank you very much |
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