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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.
| 76751. |
DeB, Eil bl Biae 45 em. How many cubes are formedIf the length of each edge of a cube is doubled, how many tmes does itsHow many times does its surface area become?volume become?ume and the |
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| 76752. |
Chapter (9): Application of TrigonomelrThe angle of elevation of a cloud from a point 60m above a lake is 30 degree and theangle of depression of the reflection of cloud is 60 degree. Find the height of thecloud.ndis60. After |
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| 76753. |
Find the area of the shaded portions of the following figures. ( 3.14) |
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| 76754. |
CHAPTER 9APPLIED MATHEMATICSThe cost price of 5 cell phones is equal to selling price of 4 such cell phones.Find the profit earned by selling a cell phone for 12500.(A) 3000(E) of these(B)2500(C) 3200(D) R 2800 |
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Answer» anu can u pLease explain after sp and cp which formula u hv used for given selling price?? |
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| 76755. |
(8/3)^2*((3/5)^3*(5/8)^4) |
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Answer» (3/5)^3 * (5/8)^4 * (8/3)^2 = (3)^3-2 * (5)^4-3 * (8)^2-4 = (3) * (5) * (8)^-2 = 15/64 =(3/5)^3 * (5/8)^4 * (8/3)^2 = (3)^3-2 * (5)^4-3 * (8)^2-4= (3) * (5) * (8)^-2 = 15/64 = 0.234 After solving cube and square:(27/125)*(625/4096)*(64*9)27*625*64/125*4096*9=1080000/4608000=.2343 |
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| 76756. |
5 \frac { 3 } { 8 } - [ 3 \frac { 3 } { 5 } - \{ 1 \frac { 3 } { 8 } - ( \frac { 3 } { 4 } - \frac { 1 } { 2 } - \frac { 1 } { 4 } ) \} ] |
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| 76757. |
The cost of 18 chairs is 22770. How many such chairs can b |
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| 76758. |
2.Write the following decimals in the place va(a) 19.4 (b) o.3(c) 10.ite each of the following as decimals:(b3. Wr(a) Seven-tenths(c) Fourteen point six(d(e) Six hundred point eight4.Write each of the following as decimals:3+1 (c) 200 + 60lowing decimals as fracti |
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Answer» 3cAnswer is:14.6 |
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| 76759. |
Uls Ă person have to pay for travelling alal are thll are the fixed chargs tance ofA fraction becomes 3 , if 2 is ade oboh he numeraor and theIf, 3 is added to both the numerator and the denominator it becomesfraction.odt boll,V) A fraction becomes, if 2 is added to bboth the numerator and the denominator..Find the |
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| 76760. |
elume Oof change of the ra diu when h:8Cmcmls4-12 8 |
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| 76761. |
. Find the ratio betweenthe area of the shadedand the unshadedportions of thefollowing figure |
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| 76762. |
CHAPTER 9sis a square in which PQ=2.8 m. Find the area of unshaded region.AREA AND PERIMETRE |
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| 76763. |
7. Find the side of the square whosĂŠ perlhivlel 3 JIl.8. square field has each side 70 m whereas a rectangular field has length50 m andbreadth = 40 m. Which of the two fields has greater perimeter and by how much ?Id hon lonoth 160 m and breadth 120 m. Find: |
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Answer» hit like if you find it useful |
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| 76764. |
Exercise .A. Which fraction is greater in each pair?5) 5 316' 86' 123' 33 58)7,510) 2 13' 95'107, 14 |
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Answer» 5/3 4/5 1/4 5/12 both are same 2/5 3/14 3/7 3/5 2/3 |
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| 76765. |
o THISite the following terminating decimals inprimes15.265 (ii) 0.1255 (iii) 0.4itethe denominators in 2"5m form. |
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| 76766. |
There are 25 rows of seats in an auditorium. The first row is of 20 seats,the second of 22 seats, the third of 24 seats, and so on. How many chairsare there in the 21st row?3) |
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Answer» Thank you |
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| 76767. |
What are the numbers6. The numerator of a fraction is 4 less than its denominator. If the numerator is decreased by 2 and thedenominator is increased by 1, then the fraction becomes. Find the fraction.8 |
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| 76768. |
thits nterm and m#n, snow craStI0w diuThe sum of the first three numbers in an Arithmetic Progression is 18. Ifthe product of the first and the third term is 5 times the commonerence, find the three numbers. e |
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| 76769. |
है भ्रत्येड श्रेशीमां जे खंड जोटो छे ते शोधी डोटो,3, 9, 16, 25, 36o) 3 ) 9 ¥ 16F 36 : |
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Answer» 3આ ખોટી રીતે મૂકવામાં આવે છે તરીકે મૂકવામાં સંખ્યાના ચોરસ other numbers are in square formwhile 3 is not a square of any |
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| 76770. |
Find the area of the shaded portion in the given figure |
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Answer» xhueuehdUduyhdhdbdu udhdhycbdhdyux |
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| 76771. |
80 m31. In the given figure; the area of unshaded portion is 75%of the area of the shaded portion. Find the value of x.RATIO AND PROPORTION: |
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| 76772. |
2. Farmer has two fields in the form of triangle andrectangle. Neha is allowed to cut the grass of thetriangular field (shaded portion) and Deepak isallowed to cut the grass of rectangular field(shaded portion) in the following manner.Calculate the areas of both portions? Which valuesis depicted? |
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| 76773. |
\{ \frac { 9 } { 16 } \times \frac { 4 } { 12 } \} + \{ \frac { 9 } { 16 } \times \frac { - 3 } { 9 } \} |
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Answer» zero is the answer. |
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| 76774. |
2Findusingdistributivity.7 (-3)1 7 55 125 1259316 12 16 9 |
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Answer» thank u ans wrong. |
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| 76775. |
A meeting hall has 20 seats in the first row, 24 seats in the sccond row, 28 seatsin the third row, and so on and has in all 30 rows. How many seats are there inthe meeting hall?(3) |
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| 76776. |
le50. Study the following pattern and replacethe question mark.th(A) 9(C) 6(E) of these(B) 11(D) 7 |
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Answer» Answer is 11as in last the number is half of the sum of all the remaining number for an example 6= (4+3+5/2)= (12/2)5= (7+2+1/2)= (10/2)please like the solution 👍 ✔️ |
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| 76777. |
contractor employed 150 workers to complete a project in a certain number of days. Due topartly payment of wages, every day 4 workers start dropping. It resulted in the projectcompletion late by 8 days. In how many days the project was completed? Heavy penalty wasimposed on the contractor because of this delay. What do you suggest to the contractor forsmooth working so that the project is completed in time?Find the sum of all the terms of the A.P. whose middle most term is 30. |
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| 76778. |
Question 3fa) The sum of three numbers in A.P. is 24 and the sum of their squares is 194, Find the numbers.13)tho nrohahility thai the |
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Answer» Let the three numbers in AP be,a-d,a,a+d Their sum =24 3a=24 a=8 The sum of their squares is 194. (a-d)^2+(a)^2+(a+d)^2=194 a^2+d^2-2ad+a^2+a^2+d^2+2ad=194 3a^2+2d^2=194 3(64)+2d^2=194 2d^2=194-192d^2=1d=1/-1 So the three numbers are a-d= 8-1=7, a=8, a+d=8+1=9.So they are 7,8,9 in any order |
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| 76779. |
Chapter 9. Arithmetic ProgressionQuestion 1. If m times the mth term of an A.Pis equal to n times its nth term, show that the (m +n)th term of the A.P. is zero. |
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| 76780. |
2 Wnite the fraction representing the shaded portion ?(al(dy |
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Answer» a) 8/9b) 1/3c) 1/4d) 5/9 |
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| 76781. |
. Draw a number line representing following rational numbers on it:s' s' s |
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| 76782. |
Thus subtracting-3 isadding-6y; subtractithird row written belcoperation has to be perEXEIdentify the terms, thi) 5xyz^2 -3zy |
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Answer» clearly Nahi a reha ha |
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| 76783. |
A man borrows 10,000 at 5% per annulcompound interest. He repays 35% of thsum borrowed at the end of the first year an42% of the sum borrowed at the endthe second year. How much must he paythe end of the third year in order to clear thdebt? |
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| 76784. |
15. A contract on construction job specifies a penalty for delay of completion beyondcertain date as follows: Rs 200 for the first day, Rs 250 for the second day, Rs 300 for ththird day, etc., the penalty for each succeeding day being Rs 50 more than for thpreceding day. How much money the contractor has to pay as penalty, if he has delaythe work by 30 days? |
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| 76785. |
ree months is 12 cm. If the rainfall for the first twonfall for the third month6. The average rainfall for thmonths is 13 cm and 15 cm respectively, find the rainta |
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Answer» total rainfall is 12×3=36 cmnow in first two months are 13cm and 15 cm so in third month=36-13-15=8 cm Average rainfall = 12cmFirst month rainfall = 13cmSecond month rainfall = 15cmLet the third month rainfall be XATP,X + 13 + 15/3 = 12X + 28 = 36X = 7cmThe rainfall for third month is 7cm change is that I wrote the answer as 7 cm but it will be 8 cm |
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| 76786. |
E.2) In the figure. □ABCD is a trapezium of area24.5 sq cm. Side AD i side BC, DAB=900,AD= 10 cin and BC-4 cm. If ABE is a quadrantof a circle, find the area of the shaded region.( |
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Answer» Thank you |
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| 76787. |
A certainintsum of money is invested at the rate of 10% per annumerest, the interest compoundedinterests of third year and first year is 1,105, find the sum investedannually. If the difference between thichment Question |
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| 76788. |
of the triangle. Ze7. Two angles of a triangle measure 30 and 55 respectively. Find the measure of thFind the other anglesZY istthird angle. Also state what type of a triangle is it.8. Write 'True' or Ga |
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| 76789. |
4. Give the four uses of concave mirrors. |
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Answer» Shaving and MakeupMirrors.Concave mirrorsare oftenusedas shavingmirrorsand makeupmirrors. ...Headlights.Concave mirrorsareusedin motor vehicle headlights to send out strong beams of light. ...Microscopes. ...Telescopes. |
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| 76790. |
2.22PART-B1. Show that the points representing -7+ 5 i, 8-i and18 5 i are collinear. |
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| 76791. |
Part:-Bsing Gauss Jordan method to find A-1 of the mA 5 1 0 |
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| 76792. |
ds /HigherofOrderThihihgSIlls(HUIS14. You roll a die. Write the probability oprime number as a decimal |
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Answer» there are 3 prime numbers possible 2,3 and 5 so probability is 3/6= 1/2 = 0.5 |
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| 76793. |
A printer can print 56 pages in 8 minutes.How many pages it can print in 2 1/2hours? |
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Answer» answer is 1050 pages can print thank u... i know the answer but i need the process yes i will say you the process ok Pages printed in 8 minutes=56Pages printed in 1 minute=56/8=7 pagesNow, 2(1/2)Hours = 60*2.5 Minutes (because in 1 hour there are 60minutes)=60*2.5=150 minutesSo, Pages printed in 150 minutes=7*150=1050 pages a printer can print 56 Pages in 8 minute. therefore pages print in 1 minute= 56/8= 7 pages therefore printer can print in two and half hour =two and half hour= 150 minutes therefore 150× 7 = 1050 pages |
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| 76794. |
110°ORA bag contains 5 red balls and some bluc bails. If the probability ot drawing a blue ball from thebag is thrice that of a red ball, find the number of blue balls in the baghuhlity of geting a number greater than4? |
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| 76795. |
21. A bag contains 5 red balls and some blue balls. If the probability of drathe bag is four times that of red ball, find the number of blue balls in the baa blue ball fiom |
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| 76796. |
ll) d perrect square numberA bag contains 5 red balls and some blue balls. If the probability of drawing a blueball is four times that of a red ball, find the number of balls in the bags.A bag contains 18 balls out of which x balls are white.(1) If one ball is drawn at random from the bag, what is the probability that it iswhite ball?(ii) If 2 more white balls are put in the bag, the probability of drawing a white ballwill be g times that of probability of white ball coming in part (0). Find the valueof x. |
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| 76797. |
3. The angles of a triangle are(x-101% 6x-20) and -10 Find the value ofn aand the third anglosarator th |
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| 76798. |
1. Rs. 380 are to be divided A, B and C in such a waythat the ratio of part A and part B = 5 : 6 and theratio of part B and part C =3 :4. |
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| 76799. |
Date........431 VlemeCOYCOExpande birem of 2730145o wsite MacL in Hindi aslineumbelefor. Weite lol in Mamanaau Uke 24.0.5 and Make u digitalsmallest and Lausgest neOs use gos and make theirllort and hissest une |
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| 76800. |
A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball isdouble that of a red ball, determine the number of blue balls in the bag |
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Answer» Let blue balls be x Red balls are 5Total balls=5+x Probability of drawing blue ball=x/5+xProbability of drawing red ball=5/5+x x/5+x=2*5/5+xx=10 Number of blue balls are 10 |
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