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InterviewSolution
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.
| 73151. |
9.)If 3x -7y 10 and xy 1,find the value of 9i |
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| 73152. |
Check whether 7+3x is a factor of 3x^3 +7x. |
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| 73153. |
= g e oo e e s e SP का: हि मद e सह व्दल ऊय ना, |
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| 73154. |
EXERCIS1. Find the remainder when 3 + 1(1) x41i)(iv) x T2. Find the remainder when x3 - ax 6x-a iCheck whether 7+3x is a factor of 3 +7T |
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Answer» give complete question |
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| 73155. |
(111) 11 DIS Delwcell i all I neving exacuy ice law11. What are composite numbers? Can a composite number be odd? If yes, write the smallestodd composite number. |
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| 73156. |
4. Bimal has a bed sheet whose length & breadth are 7 feet and 4 feet respectively.How much area does it cover? Also find its perimeter. |
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| 73157. |
(-3-9i)(-4+10i) |
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Answer» (-3-9i) ( -4+10i)= 12 -30i + 36i + 90= 102 + 6i |
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| 73158. |
CBSE2005CA bucket made up of a metal sheet is in the form of a frustum of a coneof height 16 cm with radii of its lower and upper ends as 8 cm and 20 cmrespectively. Find the cost of the bucket if the cost of metal sheet used isCBSE 2006, '08, '08c15 per 100 cm2. Use π3.14] |
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| 73159. |
A container, opened from the top and madeup of a metal sheet, is in the form of a frus-Itum of a cone of height 16 cm with radij ofits lower and upper ends as 8 cm and 20 cmrespectively. Find the cost of the milk whichcan completely fill the container, at the rateo/720 per litre. (take π-3.14) [HSLC, 15112. |
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| 73160. |
1. Check whether 7 lx is a factor of 3e 7x |
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Answer» thx |
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| 73161. |
Obtain all other zcroes of 3e' + 6t -210k-.110x-5, if two of its zeroes areandntient and rem |
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| 73162. |
2A - 3E =0A + E =150 |
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Answer» Given :2A - 3E = 0 .......(1)A + E = 150 ........(2)eq(1) + 3 × eq(2) 5A = 450A = 90So from (2) E = 150 - 90 = 60 |
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| 73163. |
ane 3e y anaFind the valus ofn |
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| 73164. |
11. What are composite numbers? Can a composite number be odd? If yes, write the smallestodd composite number.12. What are twin primes? Write all the pairs of twin primes between 50 and 100. |
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| 73165. |
A BUS GOES 280KM IN 4 HOURS.HOW MANY METRES IT TRAVEL IN ONE SECOND |
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Answer» hear 4 hours =240mins 240mins=14,400 sec 280km=280000m 280000/14,400=19.4m hence 19.4 metres can travel in 1 second A bus gone =280 km In hour = 4 hour How many metres it travel in one second 4 h × 60min = 240min 240 × 60 = 14,400 280 ×1000= 280000 280000÷14400= 19.4 💥 answer 💥 19.4 yes 19.4 metres is the correct answer 19.4 this is the correct answer |
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| 73166. |
9. A bucket open at the top, and made up of a metal sheet is in the form of a frustum ofa cone. The depth of the bucket is 24 cm and the diameters of its upper and lowercircular ends are 30 cm and 10 cm respectively. Find the cost of metal sheet used in itCBSE 2013]at the rate of10 per 100 cm2. (Use π = 3.14). |
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| 73167. |
is the weight of1: A boat Covers awhat distance willdistance of 45 km in stas4 cover to a Covers." |
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Answer» the answer will be 81km in 9 hour |
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| 73168. |
10. A train is moving with uniform speed of 120 km per hour.0) How far will it travel in 36 minutes ?(ii) In how much time will it cover 210 km ? |
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Answer» Given, speed, v=120km/hr(i) time=36min=36/60=0.6 hoursand speed=distance/Timeso, v=d/t=>120=d/0.6=>d=120*0.6=72 kms (ii) t=d/v=210/120= 1.75 hours= 105 minutes |
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| 73169. |
If the measure of one of the angles in asupplementary angle is 56°, what is themeasure of the other angle?7. |
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Answer» sum of supplementary angle = 180° if one angle is 56° , then other will be = 180-56 = 124° |
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| 73170. |
pUIE 10I 50 cm high (ii) the height of anlleusts a shadow 5m longA loaded truck travels 14 km in 25 minutes. If the speed remains the same, how iancan it travel in 5 hours?THISI. On asauO |
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| 73171. |
29. The diameter of the lower snd upper ends of a bucket in theform of frustum of aconeacm and s0cm. |
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| 73172. |
65*x %2B 2=3*x %2B 12 |
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Answer» 5x+2 = 3x+125x - 3x = 12 - 22x = 10x = 10/2x = 5 the answer is 5 as we will shift the same equation same side and further solve them 5x+2=3×+125×-3×=12-22×=10×=10/2×=5 |
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| 73173. |
EXERCISE 1.31.Find each of the following products:(a)(c)(e)(g)3×(-1)(-21) x (-30)(-15) × 0 × (-18)9 × (-3) × (-6)(b) (1)x 225(d) (-316) x (-1)(f) (-12) × (-11)×(10)2.Verify the following: |
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Answer» thanks |
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| 73174. |
Q20.Find the value of x=(100)^{1-4}+(100)^{0} |
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Answer» thanks |
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| 73175. |
2*x - 2=-x %2B 1/65 |
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Answer» 2x+x=1/5+23x=1+10/2=11/2x=11/6 x=11/6 is the following question answer |
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| 73176. |
EXERCISE 3E1. Divide and check your answer by the corresponding multiplication in each of the following(1) 1936 - 16(11) 19881-47(iii) 257796 + 341 |
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Answer» 2) 19,881 ÷ 47 = 4233) 2,57,796 ÷ 341 = 756 |
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| 73177. |
PILTU, HUSL Be YUUl uswer by a LA14. Express each of the following numbers as the sum of two odd primes(1) 36(11) 42till) 84liv) 98 |
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| 73178. |
2, 1.750 kilometreshow many metres?(1) 1750(2) 175(3) 17.5(4) 17500 |
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Answer» 1 km = 1000 m So, 1.750 km = 1.750 × 1000 m = 1750 m 1) option is correct |
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| 73179. |
An aeroplane covers 4,800 kilometres in 6 hours. Hmany kilometres does it cover in 1 hour? |
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Answer» In 1hr it covers 4800/6=800km |
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| 73180. |
4.3 XS21.S4.3 Ă 5-20Example 2.The rate of petrol is 62.32 per litre. Seemawants to fill two and a half litres of petrol inher scooter. How many rupees will she haveto pay?Which operation is required? |
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| 73181. |
EXERCISE 2 (C)road is to be resurfaced. If the road is 25 km long, what length in kilometres is to be resurface |
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Answer» hence 13/5 km roadhence 3/5th of road=3/5*13/5=39/25 |
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| 73182. |
.A container, open at the top, is in the form of a frustum of a cone ofheight 24 cm with radii of its lower and upper circular ends as 8 cm and20 cm respectively. Find the cost of milk which can completely fill thecontainer at the rate of 21 per litre.[CBSE 2014] |
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| 73183. |
12. The measure of an angle is twice the measure of its supplementary angle. Find itsmeasure. |
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Answer» let the measure of the angle be xtwice of its supplementary angle be (2×180)therefore according to the question=x=2×180=x=360 |
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| 73184. |
The measure of one of the angles of a triangle is twiceangle and the measure of the other is thrice the measure of the smallest angle.measures of the three angles.4.themeasure of its |
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| 73185. |
2^(2*x %2B 3)=65*(2^x - 1) %2B 57 |
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| 73186. |
b (2 OST—2h th 1" १४91 वर oगा कक |
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| 73187. |
O 68 x 512 x 6[ 43x9ne value of 400 x 400 is the same as4 x 4 x 100 x 100 O 4 + 4 x 100 x 1004 * 4 +* 4 = Bx 3, select the correct set of values for A and B isA = 225, B = 300O A = 200, B = 400A = 17 |
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Answer» a=225 b=300 you are answer value of 400×400is same as 4×4×100×100 value of 400×400is same as 4×4×100×100 value of 400×400 is same as 4×4×100×100 |
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| 73188. |
EXERCISE 111. 6 men can complete the electric fitting in a building in 7 days. How many days will it tadothe job ? |
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Answer» 6men can complete a work in =7day. : 21man can complete a work in =x day. day=> 7×6=21× x. 42=21x. 42÷21=x x=2 answer is 2day |
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| 73189. |
98 JEL JUN14. Two forces, each equalTheir resultant isorces, each equal to F. act as shown in figure. |
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| 73190. |
3. Convert into centimetres:(a) 2 kilometres |
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Answer» 1cm=1000kl so 2cm=2×1000=2000kl so your answer is 2000kl multiply 2 by 1000 is right answer In 2km there is 2000cm 2000kl is the answer for this question the correct answer is 2000kl |
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| 73191. |
57 x 68 का गुणा कीजिए। |
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Answer» 57 × 68 = 3876 the final answer will be 3876 57×68=3876this is your final answer 57 × 68=3876is correct answer. 57×68=38763876 सही उत्तर है। 57×68=38763876 is the right answer 3876 is the correct answer 57×68=3876 answers right 3876 is a correct answer 5 7 x 6 8 /342 +4 56 = 3876 57 × 68 = 3876 is the right answer 57 × 68 = 3876is the right answer 3876 is the answer okkkkkkkkkkkkkkkkkk 57× 68= 3876is the right answer 57 × 68 = 3876is the right answer 57*68=3876the correct answer is 3876 57×68= 3876is the right answer 57× 68= 3876is the right answer 57×68=3876 is a correct answer. |
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| 73192. |
Find the cost of 6 litres of milk if the cost of milk is 7 21 per litre. |
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Answer» total milk= 27/4 litrecost of 1 lit= 109/5cost of 27/4= 27/4* 109/5= 27*109/20147.15 ruppess 147.15 Rs. is the best answer 147.15 rupees answer. cost of milk per liter = 109/5cost of 27/4 liters milk 27/4 × 109/5= 2943/20= 147.15 ₹ cost of milk Rs. 147.15 |
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| 73193. |
i. The length of a metallic tube is 1 metre, its thickness is 1 cm and its inner diameter is12 cm. Find the weight of the tube if the density of the metal is 7.7 grams per cublccentimetre |
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| 73194. |
1OW Much did each of them have in the beginning?The angles of a pentagon are in the ratio 2:4:2: 1:1.If the total measure of the angles ofa pentagon is 540 degrees, what are the measures of each angle? |
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Answer» let2x,4x,2x,x,x be the angles of pentagon.then add and equal to540.then find x and put value and answer is 108:256:108:54:54 Is there any figure provided? let the sides be x then the sides be2x,4x,2x,x,x respectively then their sum will be 10x =540x=54 |
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| 73195. |
Aforei3 57 x 68 |
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Answer» 57×68 = 3876 |
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| 73196. |
51:68::x:108 find the value of x |
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Answer» 51 : 68 = x : 108 17×3 : 17×4 = x : 108 3 : 4 = x : 27×4 3 : 1 = x : 27 x = 27×3 x = 81 If you find this answer helpful then like it. |
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| 73197. |
7X2 ४1४ e ही + | 225 68 |
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| 73198. |
Ares of trbe4EXERCISE 11.2I.Find the area of each of the following parallelogram: 4 cm7 cm |
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Answer» area of parallelogram =base × height .so,here area= (7×4)cm^2=28cm^2 |
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| 73199. |
68 2h8 x 2hexchsx ZhExch2 x 2h1 x Zh |
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Answer» 42x1=4242x2=8442x3=12642x4=16842x5=21042x6=25242x7=29442x8=33642x9=37842x10=420 42*1=4242*2=8442*3=12642*4=16842*5=21042*6=25242*7=29442*8=33642*9=37842*10=420 42*3=126 |
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| 73200. |
2 x + 3 y = 68 \text { and } \frac { x + y } { y } = 1 \frac { 5 } { 8 } |
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Answer» 1 5/8=13/8henceX+y=13/8y8x+8y=13y8x-5y=08x=5yhence 8x+5y=8x+8x=16x |
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