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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.
| 73651. |
Find common multiples of 3 and 5. |
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Answer» 15 is the right answer common multiple of 3 and 5 is 15,30,45,6075, common multiple of 5&7 is 35 common multiples of 3 &5 is 15,30 ....... |
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| 73652. |
SolutionExample 20: Using the full(51)* = (50 + 1)* = (50)* + 2x 50x1+ (* = 2500 +10(1) (51)11) = (100) + 2x100x1+ ()* =1000192Die Divide2a-6 by - ab |
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| 73653. |
g.the volume of a cube is 5 12 cm. what is the total cost of paintingthe cube from outside, at the rate of R 2 per cm2?(1) 512 (2) 768 (3) 384 (4) 102414. |
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Answer» Volume=a^3=512cm^3a= cubr root of 512a=8cmsurface area of cube=6a^2=6×8×8=384cm^2Total cost=384×2=₹768 |
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| 73654. |
numbers:5. Find four rational numbers between |
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Answer» To find four rational numbers between divide and multiply each rational number by 3 Now,3/7 = 9/215/7 = 15/21 Therefore,Four rational numbers between 9/21 and 15/21 are 10/21, 11/21, 12/21 and 13/21 |
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| 73655. |
Dnour the graphs of th Hallowing stxaighti nes |
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| 73656. |
हि कगिकर का मा g ol | -5 = (0-4b)(a.न) , |;री —जब |
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Answer» thanks a lot. |
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| 73657. |
Exercise 7.3Identify the algebraic expressions from the followin(a) y 5Write how the following expressions have been forr(a) 12n -77(b) 3+ 2-1(c) 5+b+335-х(b) 7 2nd)(e) 6y + 24 |
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Answer» Make algebraic expressions with the given term:8x2, -2x, -7 |
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| 73658. |
5 = 74= BE —xE /2८/० S = 44K Lpepl Ugypy e SIS IY LLIYPH Coytlinnyr 26 Q»\.\s\\\w/2०८4 fo jod &x\\%\\Dby oL | <= |
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Answer» we have, x + y = 5. ----->12x - 3y = 4. ----->2 by elimination, 2x + 2y = 102x. -. 3y =4__________-5y = -6y = 6/5. -------->3 putting eq. no 3 into 1, we get , x + y = 5x + 6/5 = 5 after solving , 5x + 6 = 255x = 19x = 19/5 -------->4 x = 19/4y = 6/5 Like my answer if you find it useful! |
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| 73659. |
1. Eggs cost Rs 36 per dozen. How much will 18 eggs cost? |
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Answer» 1 dozen = 12 units So, cost of 12 eggs is Rs 36Cost of 1 egg is Rs 36/12 = Rs 3 Cost of 18 eggs is Rs 3 × 18 = Rs 54 tqs dear |
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| 73660. |
. The minimum value ofour is |
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| 73661. |
Minimum value (x-2)(x-9) |
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Answer» (x -2) (x -9)= (x^2 2x - 9x + 18)=(x^2 - 11x + 18)= x^2 - 11x + 121/4 - 121/4 + 18(x - 11/2)^2 - 49/4x = 11/2 = -49/4 |
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| 73662. |
&Find the minimum value offor x>0. |
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Answer» ( x+1/x)^6-( x^6+1/x^6)-2//(x+1/x)^3+ x^3+1/x^3 = ( x^6+1/x^6+6x^6/ x^6-x^6-1/x^6-2)//( x^3+1/x^3+3x^3/x^3(x^3+1/ x^3) =+6-2//(x^3+1/x^3+3(x^3+1/ x^3) =4//1+3=4//4=1 Select a blank cell and type this formula =MIN(IF(A1:E10>0,A1:E10)) into it, and type Shift + Ctrl + Enter keys toget the smallestpositivevaluein the specified data range. Tip: In the formula, A1:E10 is the data range you want tofind smallestpositivevaluefrom. |
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| 73663. |
1. Write the first 10 multiples of 8 and 10. Find their first 3 common multiples. |
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Answer» multiple of 8 = 8 16 24 32 40 48 56 64 72 80multiple of 10=10 20 30 40 50 60 70 80 90 100 first 3 common multiple = 40 80 120 |
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| 73664. |
. Meena bought 2 chairs for R 3650. She spent 111 50 on sprucing them up. If she wants to makea profit of 12%, what should be the selling priceof each chair? |
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Answer» Cost price of two chairs = 3650On repairing amount spent = 150 So effective cost price = 3800 For profit of 12% selling price should be SP= CP(1 + 12/100) = 3800(1 + 3/25) = 3800(28/25) = 152*28 = Rs 4256 |
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| 73665. |
8 The height of a parallelogram is one-third of its base. If the area of the parallelogram is108 cm2, find its base and height.its hright If the area of the parallelogram is 512 cm2 |
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| 73666. |
3. The area of AACD in Fig. 13.47 is 8 cm2. IfEF 4 cm, find the altitude of llsm BCFEE DFig. 13.47 |
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| 73667. |
(1) DA (UX) daunQ.3-Write any 5 rational numbers betweenNICO |
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| 73668. |
0 and passing through the point (a, bisThe equation of a line parallel to the line ux-by + ca) ax + by a2+ b2 b) ax + by 01nes2. The equation of a line pemendicular to |
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| 73669. |
thisol5cm,findthelengthofeach14. ABC is an isosceles triangle, right angled at C. Prove that AB2AC2. |
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| 73670. |
ive possible expressions for the length and breayth of each of the 1UIlWM!v possible expressions for the length and breadth of each ol the 1lWHctangles, in which their areas are given:Area : 25a-35a + 12Area: 35y+ 13y-12 |
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Answer» (a) 25a^2-35a+12=25a^2-20a-15a+12 =5a(5a-4)-3(5a-4) =(5a-3)(5a-4) (b) 35y^2+13y-12 =35y^2+28y-15y-12 =7y(5y+4)-3(5y+4) =(7y-3)(5y+4) |
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| 73671. |
is 110 cm and is converted into the shape olQ-7. If length of ropecircle. What is the radius of the circle.(a) 17cm(b) 22 cm(c) 17.5 cm(d) of these |
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| 73672. |
A pair of shoes, marked at 320, are sold at a discount of 15 percent.Find: (i) the discount,(i) the selling price of the shoes. |
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Answer» hit like if you find it useful |
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| 73673. |
of 510° kg mass takes off from a launching pad and acquires a vertical velocity of Ikm/s6.A nn altitude of 25 km. Calculate (a) the potential energy,rocket of3 x 106 kvalue of g10 m/s2)and (b) the kinetic energy. (Take the |
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Answer» Mass=3×10⁶ kgVelocity=1 km/s=5/18 m/sAltitude/height=25 km=25000 ma)Potential energy=mgh=(3×10⁶×10×25000) Joules=7.5 ×10¹¹ Joules b)Kinetic energy=1/2 mv²=1/2×(3×10⁶×5/18×5/18)=375000 Joules |
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| 73674. |
9. If a pair of shoes costs 212.70 and a pair of sockscost 18.65, how many sets of shoes and socks canbe bought with 1000? |
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Answer» Let the no.of socks and shoes be x.then, no.of shoes will ... shoes costRS 106.35 and a pair of sockes cost RS. 18.65,how many sets of ... Answers ... 125x= 1000. let the no.of socks and shoes be x. then, no.of shoes will be:-106.35x no.of socks will be :-18.65x no.of sets of shoes and socks will be:-106.35x+18.65x=1000 125x=1000 x=1000/125 x=8. sets of shoes =106.35x=106.35(8)=851 sets of socks=18.65x=18.65(8)=149 Read more on Brainly.in - https://brainly.in/question/199450#readmore How to calculate magnitude of a tower of 2 |
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| 73675. |
nd the maximum value of 2x - 24x + 107 in the interval [1, 31. Findmaximum value of the same function in [-3,-1]14. Fi |
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| 73676. |
Prove thatthe local minimum value of x + is larger than its local maximum value. |
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| 73677. |
Write first six multiples of:(a) 5(b) 11(c) 19(d) 21 |
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Answer» 5,10,15,20,25,30,35,.... 11,22,33,44,55,66,77,... |
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| 73678. |
15. Salman bought 40 chairs at175 each. He sold one-fourth of them at a loss of 8%.At what price each must he sell the remaining chairs so as to gain 10% on the wholedeal? |
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Answer» Cost of 10 chairs= 10× 175 = Rs. 1750S.P=[C.P(100-loss%)]/100 = 1750(100-8)/100 =17.5× 92 = Rs.1610loss=140total C.P=40×175=700010% profit= Rs.700C.P of 30 Chairs=30×175=5250S.P of 30 chairs=5250+700+140 =5950+140 =6090S.P of 1 Chair for getting 10% on whole day=6090/30=Rs.203 |
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| 73679. |
a rectangle is 15 m long and 10 m wide. There is a smaller rectangle inside the original rectangle which makes a path in all sides. the smaller rectangle is 10 m long and 6 m wide. calculate the area of the path. |
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Answer» Area of path = Area of bigger rectangle - Area of smaller rectangle = 15*10 - 10*6= 150 - 60= 90 sq m PLEASE HIT THE LIKE BUTTON |
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| 73680. |
aofarectangle is 844.8 cm2 and the length of the3. adth of the rectangle.rectangle is 35.2 cm. Find thebrea |
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Answer» Area of rectangle= 844.8 cm²length×breadth=844.8 cm²35.2×breadth=844.8 cm²breadth=844.8/35.2 cm breadth=24 cm |
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| 73681. |
Q5. The length of a rectangle is two times its width. The perimeter of therectangle is 180 cm. Find the dimensions of the rectangle |
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| 73682. |
8. Use the distributivity of multiplication of rational numbers over addition to simplify:(c) 0+9. Find the multiplicative inverse, i.e., the reciprocal of(1) 6 (ii) - 23(iv)-19(v) 1To Find(vi)(vii) x(vii) uxAnit |
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| 73683. |
1. Find the reciprocal of each of the following fractions and classify them as proper, impropeand whole numbers:010(VI)100 |
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Answer» (1)7/3.(2)8/5.(3)7/9.(4)5/6.(5)7/12.(6)8/1.please like my answer *******************,, *, ***,,,,,, |
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| 73684. |
\left. \begin{array} { l } { 150 \frac { 3 } { 4 } cm , \text { what is its area? } } \\ { 150 \frac { 9 } { 16 } cm ^ { 2 } } \\ { 84 \frac { 21 } { 32 } cm ^ { 2 } } \end{array} \right. |
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| 73685. |
er dagonal, (11) the length ol eaco adjacent sides of a parallelogram are 36 em and 25 cm. If the distance between longersides is 15cm, find the distance between the shorter sides. |
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| 73686. |
If E,F,G and H are respectively the mid-points ofthe sides of a parallelogram ABCD, show that1,ar (EFGH)-ar (ABCD)DMI NOTE 5 PRO |
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| 73687. |
Preeti's shoes cost215. Her sisterRamila's shoes cost Rs 45 more. Howmuch do Ramila's shoes cost? |
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| 73688. |
What is maximum value of3-7cos 5x? |
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Answer» cos value lies between -1 to 1 then the maximum value of 3-7cos5x=3-(-7)=3+7=10 |
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| 73689. |
Find the mean of first 5 multiples of3 |
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Answer» The first five multiples of 3 are 3 , 6 , 9 , 12 and 15Formula:mean = (sum of all no.s) / no. of numbers = (3+6+9+12+15)/5 = 9therefore the mean of 1st 5 multiples of 3 is 9 Like if you find it useful |
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| 73690. |
B) Do the following activities. (Any two)1) The price of3 chairs and 2 tables is t 4,500 and price of 5 chairs and 3 tables is7,000. Then find the price of 1 chair and 1 table. |
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Answer» Let price of 1chair be x and 1 table be y3(3x+2y=45002(5x+3y=7000 9x+6y=1350010x+6y=14000Subtractx=5006y=14000-5000y=9000/6y=1500 price of 1chair is 500Rs and 1 table is 1500Rs thank you 😃😃😃😃 my answer is right |
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| 73691. |
A triangle ABC with side 5cm, 12cm and 13cm is revolved about the side 5cm. Find the volume of solid so obtained. |
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Answer» Triangle is rotated about the side 5 cm. Since it is a right angle triangle => cone is formed of height = 5cm and base radius = 12cm volume of cone = πr^2h/3= 22×12×12×5/21 = 754.28cm^3 with diagram |
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| 73692. |
A man wants to cut three lengths from a single piccc of board of length 91em.The second length is to be 3cm longer than the shortest and the third length is tobe twice as long as the shortest. What are the possible lengths of the shortestboard if the third piece is to be at least 5cm longer than the second?[Hint: If x is the length of the shortest board, then x, x +3) and 2x are thelengths of the second and third piece, respectively. Thus, x +r+3) + 2x s91 and2.2(x+3)+5] |
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| 73693. |
Draw a rectangle of length of 5cm and breadth of 5cm |
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Answer» It can also be defined as an equiangular quadrilateral, since equiangular means that all of its angles are equal (360°/4 = 90°). It can also be defined as a parallelogram containing a right angle. A rectangle with four sides of equal length is a square. |
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| 73694. |
Area of the circle inscribed in a square ofside 'a' cm is(A) \mathrm{a}^{2} \mathrm{cm}^{2} \quad \text { (B) } \frac{\mathrm{a}^{2}}{4} \mathrm{cm}^{2}(C) \frac{\pi a^{2}}{4} \mathrm{cm}^{2} \quad \text { (D) } \frac{\pi \mathrm{a}^{2}}{2} \mathrm{cm}^{2} |
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Answer» area' unit is cm^2 so Option c is right |
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| 73695. |
is 0.3 the multiplicative reciprocal of3 whole 1 upon 3 why .why not |
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| 73696. |
\left. \begin array l 289 cm ^ 2 \\ 324 cm ^ 2 \\ 206 cm ^ 2 \\ 306 cm ^ 2 & \frac 11 106 \end array \right. |
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Answer» A=l*bA=18*17 =306cm² |
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| 73697. |
26, In the adjoining figure given below, find thethe shaded region. [Take π = 3.14]14 cm4 cm10 cmA. 225.52 cm^2B. 157.30 cm^2C. 165.94 cm^2D 241.30 cm^2E. of these |
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| 73698. |
उ बाब्य है| D R e 1 रद L BT |
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| 73699. |
In an election for a panchayat, there weretwo candidates. A total of 9820 votes werepolled and 110 votes were declared invalidThe successful candidate got 6 votes forevery 4 votes his opponent had.The margindid the successful candidate win- |
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Answer» Valid votes = Total votes - Invalid votes = 9820 - 110 = 9710 votes.For every 10 votes, margin = 6-4 = 2 votes.Number of such 10 votes = 9710/10 = 971Margin = 971*2 = 1942 PLEASE HIT THE LIKE BUTTON Thnx🙂🙂🙂🙂 |
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| 73700. |
८. 4+2+3+...+100=x, thenxisBt i e अब 2 L. AN |
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Answer» S=1+2+3+...+n=n (n+1)/2 n=100 formulaS=100* (100+1)/2 S=100*101/2 S=50*101 S=5050 Like my answer if you find it useful! |
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