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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.
| 66501. |
15. Mother wants to divide 36 between her daughters Shreya and Bhoomika iut Pof their ages. If age of Shreya is 15 years and age ofBhoomika is 12 years, find how much Shreya and Bhoomikawill get.You s |
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| 66502. |
Dy/dx(xy) |
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| 66503. |
Marked price of a book Rs 30. It is sold at a discount of 15%. Find the discount allowed on thebook and its selling price. |
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| 66504. |
x^2 - 13*x %2B 22 |
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| 66505. |
ctectt, Calculate the angles of a triangle ABC having 34B -44C and the interior ZA- of exterior ZA. |
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Answer» Angle a+b+c = 180Angle A=C=54 degreeAngle B=72 degree |
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| 66506. |
1. Arrange the numbers in ascending order.a. 14, 16, 27, 11 MEI 1K 16.23b. 5, 22, 36, 18 5182236C 83, 96, 45, 33 33.45 83 96d. 35, 33, 19, 17 17 19.33,35e. 28, 15, 89, 90 15.28, 89.90 |
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Answer» a. 11,14,16,27b. 5,18,22,36c. 33,45,83,96d.17,19,33,35e. 15,28,89,90 1a)11, 14, 16, 27; b)5, 18, 22, 36,. c) 33, 45, 83, 96,. d) 17, 19, 33, 35,. e)15, 28, 89, 90 ............................ |
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| 66507. |
) 83M-142 |
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Answer» चाल बराबर होता है तय की गई दूरी बटे समय |
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| 66508. |
301. In the adjoining figure, ABCD is aDparallelogram in which ZA -60°. If thebisectors of ZA and 2B meet DC at P,prove that () ZAPB909, (ii) AD -DP andPB-PC = BC, (iii) DC = 2AD |
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| 66509. |
2/8 %2B 1/3 - 3/4 %2B 2*(1/6 %2B 3/4) %2B 3 |
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Answer» 5.0833333 is the right answer...... 5.08333333 is the right answer right answer is5.0833333323333yes and above is the solution which absolutely righy 5•0833 is the right answer . plz like my answer |
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| 66510. |
1. LA and ZB are supplementary angles. IfZA = x + 10º and Z B = x - 10°, find ZA andZB. |
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Answer» value of x is 90 and the answer will be 100 and 80 |
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| 66511. |
LEVEL7. The anlges of a triangle are arranged in ascending order of magnitudedifference between two consecutive angles is 10°, find the three anglesDintohi |
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| 66512. |
192 MATHEMATIcsWater is pouring into a cubiodal reservoir at the rate of 60 litres perminute. If the volume of reservoir is 108 m, find the number of hours itwill take to fill the reservoir |
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| 66513. |
In \triangle A B C, the mid-poinis of sides BC, CA and AB are D, E and F respectively. Find ratio of ar (\triangle D E F)ar (\triangle A B C). |
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Answer» 1 2 3 4 |
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| 66514. |
-1/4 %2B 3/2 - 1 %2B 3/4 %2B 5 |
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| 66515. |
dydx |
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| 66516. |
The angles of a triangle are arranged in ascending order of theirmagnitude. If the difference between two consecutive angles is10, find the three angles.6.So |
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| 66517. |
2.एक 10 सेमी० x 4 सेमी० x 3 सेमी० ईंट कापृष्ठीय क्षेत्रफल (वर्ग सेमी० में) निकालिए -(1) 164 | (2) 180(3) 61(4) 124| [RRB Mahendru Ghat, 2001] |
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Answer» 2 ( 10 × 4 + 4 × 3 + 3 × 10 )= 2 ( 40 + 12 + 30 )= 2 × 82= 164 cm^2 |
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| 66518. |
(x %2B 3)/5 - x/4 - 1/2 %2B (x %2B 1)/3=1 |
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| 66519. |
32*e^2 %2B 22*e - 1=0 |
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Answer» 3x^2+2x-1=3x^2-1x+3x-1=0; 3x(x-1)-1(x-1)=(3x-1)(x+1)= 3x^2+3x-x-1=3x^2+2x-1; 3x=1; x=1/3; x=-1 correct answer isx = 1/3, -1 |
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| 66520. |
कि 4७्ि- age N¢Date —§ (fro =cos2 &T |
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| 66521. |
The price ofa book decreases from1 ,250 to 21,050. Find the percentage decreasc in price. |
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Answer» percentage decrease=1250-1050/12500.16*10016percent |
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| 66522. |
d the discount and the selling price, when:i) the marked price-575, discount-12%.i) the printed price-TD750, discount 83%.1. Fin |
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Answer» discount is 12%575*12/100=69hence 575-69=506-sp 81/3=25/3%now 12750*25/3÷100=1062 rupeeshence discount of 12750-1062=11687-selling price |
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| 66523. |
Water is pouring into a cubiodal reservo ir at the rate of60 litres per minute. If the volume of reservoir is 108m. find the number of hours it will take to fill thereservoir |
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| 66524. |
8.Water is pouring into a cubiodal reservoir at the rate of 60 litres perminute. If the volume of reservoir is 108 m3, find the number of hours itwill take to fill the reservoir |
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| 66525. |
15. Differentiate; x.cos(a +y)-cosy and prove that:d'y2,dysina+sin2(a+y)0dx |
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Answer» Differentiating both sides wrt 'x' =>d/dx(cos y) =cos(a+y) dx/dx+ xd/dx [cos(a+y) ] (RHS differentiated on the basis of product rule) => -siny*dy/dx= cos (a+y)- xsin(a+y)*dy/dx => dy/dx [x sin(a+y)-siny] = cos(a+y) Now x= (cosy)/cos(a+y) => dy/dx {[ sin(a+y).cosy-siny.cos(a+y )] / cos(a+y)}=cos(a+y) => dx/dy [ sin(a+y-y )]= cos2(a+y) { using sine formula sin(x-y)= sinx.cosy-siny.cosx} =>dy/d x= cos2(a+y)/ sin(a) |
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| 66526. |
The angles of a triangle are arranged in ascending order of magnitude. If the differencebetween two consecutive angles is 10°, find the three angles. |
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| 66527. |
0l siues Ur the polygon.※ 0ne angle of a quadrilateral is 108° and other three angles are equalFind the measure of the three equal angles. |
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Answer» 108+3x=3603x=252x=84 degrees |
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| 66528. |
15. Differentiate; x.cos(a + y)- cosy and prove that:d'ydxdydxsina 7+sin2(a+y)0 |
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Answer» Differentiating both sides wrt 'x' =>d/dx(cos y) =cos(a+y) dx/dx+ xd/dx [cos(a+y) ] (RHS differentiated on the basis of product rule) => -siny*dy/dx= cos (a+y)- xsin(a+y)*dy/dx => dy/dx [x sin(a+y)-siny] = cos(a+y) Now x= (cosy)/cos(a+y) => dy/dx {[ sin(a+y).cosy-siny.cos(a+y )] / cos(a+y)}=cos(a+y) => dx/dy [ sin(a+y-y )]= cos2(a+y) { using sine formula sin(x-y)= sinx.cosy-siny.cosx} =>dy/d x= cos2(a+y)/ sin(a) |
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| 66529. |
The angles of a triangle ar arranged in ascending orderof magnitude. If the difference between two consecutiveangles is 10o, find all the three angles. |
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| 66530. |
5*(z %2B 3)=4*(1 %2B 22) |
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Answer» 5(z + 3) = 4(22 + 1) 5z = 4*23 - 15 5z = 92 - 15 5z = 77 z = 77/5 |
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| 66531. |
-2*x*y - z^2 %2B 22*x^2 %2B y^2 |
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Answer» x^2+y^2-z^2-2xy Final result : x^2 - 2xy + y^2- z^2 Step by step solution : Step1: Final result : x^2 - 2xy + y^2 - z^2 |
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| 66532. |
11 %2B 9/3 %2B 22/4 %2B 6 |
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| 66533. |
The printed price of a book is Rs 150. And discount is 15%. Find the actual amount to bepaid. |
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Answer» discount = 150*15/100 = 225/10 =22.5 Price = 150-22.5 = 127.5 hello |
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| 66534. |
Anand buys a box for RS. 336.00 and sells it for Rs. 36400.Find the profit and its per cent. |
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| 66535. |
would Thave topayVasude van in vesteit 60,00 at an interest rate ofhalf yearly What amount would he get0 after 6 months?) after I year?5.2% per annum compounded |
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| 66536. |
25. A mixtureconsists of only two components A and B. In 60 litres of this mixture, the components Aand B are present in the ratioso that the new ratio is 1:2?1. What quantity of component B has to be added to this mixture |
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Answer» Quantity of A in the mixture = 60 ×2/3 = 40 liters Quantity of B in the mixture = 60× 1/3 = 20 liters Let the quantity of B added to the mixture be x40/20 + x = 1/2 or x = 60 liters |
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| 66537. |
19 k ^ { 2 } + 40 k l - 59 l ^ { 2 } |
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Answer» thankyou very much |
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| 66538. |
\sin ^{2}\left(a x^{2}+b x+c\right) w \cdot r \cdot t x |
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Answer» 2sin(ax^×+bx+c)cos(ax^2+bx+c)(2ax+b)=sin2(ax^2+bx+c)(2ax+b) please answer rest of the questions |
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| 66539. |
Estimate each of the following products by rounding off the first number upwthe second number downwards:13. 183 x 15414. 267 x 14615. 359 x 76 |
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| 66540. |
The L.C.M of two numbers is 24 and H.C.F is 4. If one number is 8, what is the second number? |
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| 66541. |
12.Three fifth of a number is equal to 70% of another number. What is the ratio betweenthe first number and the second number respectively?(A) 7:6(B) 7:8(C) 3:4(D) 4:7Olinni nho from the previ |
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Answer» Let ist nmbr be x2nd nmbr be yIst nmbr = 3/5x2nd nmbr =70%yRatio=3/5x=70/100y =x/y=(70/100)*(5/3) =(7/10)*5/3 =7/6 |
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| 66542. |
What is theg Three angles of a quadrilateral are equal. The fourth angle is 120measure of the equal angles? |
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| 66543. |
79+16+22= _______+22+______ |
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Answer» 79+16+22= =117+22+139 79+16+22=79+22+16 is the answer because it is a property of multiplication please find in your mathematics books non ANCRT |
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| 66544. |
(-15)/22 %2B 7/((-22)) |
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Answer» -15-7/22= -22/22=-1 plz accept as best -1 is the right answer -1 is the answer of this question - 1 is right answer. (-15-7)/22-22/22-1is correct answer -1 is correct answer -1 is correct answer the question Your correct answer is-1 -1 the correct answer of the given question |
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| 66545. |
Ju do to my world write ab nt purgC |
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| 66546. |
Amar and Anand borrowed Rs 2000 &Rs3000 respectively at the same rate of simple interest for 3 years If Anand paid Rs 150 more interest than Amar , find the rate of interest per annum. solve this problem |
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Answer» find the area of the following figures by using graph paper circle 99,82,81 LCM =1answer i think answer is 99,82,81. R = 5% is the best answer. |
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| 66547. |
A man borrowed Rs. 25,000/- what total amount would he pay after one year, ifthe rate ofinterest is 20% annual and is compounded halfyearly. |
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Answer» thanku . but it is not a correct answer . correct answer is Rs.609 dear student are you sure about the answer you are providing because after 1 year man has to pay the money with interest money also so the amount to be paid will be more then the amount he has borrowed As interest is also 20% and it is compounded half yearly. |
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| 66548. |
A Cricket player scored 180 runs in the first match and 257 runs in thematch. Find the number of runs he should score in the third match soaverage of runs in the three matches be 230.secop |
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Answer» Total run in all 3 matches = 230*3 = 690Total run in the 2 matches = 180+257=437So the run made by the cricketer in the third match is= 690-437=153 |
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| 66549. |
world.Write the solution set of the equationx + x-6 0 in roster forml) {2,-3} 2) {-l,-2} 3) {1,2} 4) {-1, |
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Answer» Option (1) is correct. |
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| 66550. |
\left. \begin{array} { l } { 2 - 2 x + 3 y = \operatorname { sin } y } \\ { 5 \cdot x ^ { 2 } + x y + y ^ { 2 } = 100 } \end{array} \right. |
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Answer» thanks |
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