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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.
| 77151. |
If the lengths of diagonals of rhombus are 11.2 cm and 7.5 cm then its areaisa)42 sq. cm84 sq. cmb)d)42 cm84 cmI' |
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Answer» area of the rhombus 11.2×7.5=84cm area of rohumbus=1/2×diagonal1×diagonal2.so 1/2×11.2×7.4=1\2×82.88=41.44 Area of rhombus = 1/2 × diagonal 1 × diagonal 2so 1/2 × 11.2 × 7.5=1×84/2=42sq.cm |
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| 77152. |
If you spend Rs15.75every day as pocket money . Calculate how much will be spent in one month ?(1month=30 days ) |
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Answer» monthly expenses=15.75*30 =472.5 rs If u spend RS. 15.75 / Per daythen money spent after 30 days will be 15.75* 30 = Rs. 472.5 if you spend RS. 15.75/perdaythen money spent after 30 days will be 15.75*30=RS.472.5 |
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| 77153. |
alltawer questions.ĺmpt čżWhich is not an assudmption in Linear programming problems ? |
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Answer» negativity(inverse relationships) These are the only assumptions. |
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| 77154. |
TIU8. Manoj had 200 withgave a gift of 75 to hishad 200 with him. He spent 50 on Monday, got 100 as pocket money on Tuesdaygift of 75 to his friend on his birthday on Wednesday, gave a chocolate worth 25sister on Thursday and received a reward of 50 from his mother. How much mones iwith him on Friday?LesARME |
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Answer» Manoj had total money in starting = Rs 200 On Monday money left= (200 - 50) = 150 On Tuesday money left= 150 + 100 = 250 On Wednesday money left= 250 - 75 = 175 On Thursday money left= (175 - 25) + 50 = 150 + 50= 200 Therefore, on Friday money left with Manoj = Rs 200 Swati deposited ₹ 10000 in a bank on Monday. She withdrew ₹ 2845 on Tuesday ₹ 3147 on Wednesday and ₹ 940 on Thursday. How much money is left in her account? |
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| 77155. |
2 Which one of the following is always odd?(i) Sum of two odd numbers(iii) Product of two odd numbers(ii) Difference of two odd numbers(iv) of these |
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Answer» When two odd numbers are multiplied together, the result is always an odd number. Therefore (iii) is correct option |
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| 77156. |
The sum of three consecutive odd numbers is 201. Find the numbers. |
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Answer» Let three odd consecutive odd numbers be 2x + 1, 2x + 3, 2x + 5Given sum is 2012x + 1 + 2x + 3 + 2x + 5 = 2016x + 9 = 2016x = 201 - 96x = 192x = 192/6x = 32So odd number are 65, 67, 69 |
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| 77157. |
1. Find the area of the triangle in which(i) base-42 cm and height 25 cm(ii) base 16.8 m and height 75 cm(iii) base 8 dm and height 35 cm. |
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| 77158. |
Nyambura's height is 1.48 m and Onyango is 42 cm taller. What is the sum oftheir height? |
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Answer» nyambura's height=1.48mOnyango's height=42cm=0.42mtotal height=1.48+0.42=1.9m |
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| 77159. |
The monthly pocket money of Ravi and Sanjeev are in the ratio 5:7. Their expenditureratio is 9:13. If each saves 40, find their monthly pocket money. |
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Answer» Given that the pocket money of Ravi and Sanjeev Are in the ratio 5:7 Thus, the pocket money of ravi is 5k and that of Sanjeev is 7k Also given that the expenditure of ravi and Sanjeev Are in the ratio 3:5 Thus, the expenditure of ravi is 3m and that of Sanjeev is 5m And each of them saves Rs. 80 ⟹ 5k – 3m = 80 ….. (1) 7k – 5m = 80 …….. (2) Solving equations (1) and (2), We have, K = 40, m = 40 Hence the monthly pocket money of Ravi is Rs. 200 And that of Sanjeev is Rs. 280 hope this will help you like my answer and MARK IT AS BEST ANSWER. The monthly pocket money of Ravi is Rs.200 and that of sanjeev is Rs.280.answer. |
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| 77160. |
the wire.cm of cast iron weighs 21 g, find the weight of a cast ironlength 1 m with a bore of 3 cm in which the thickness of the ncm. |
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| 77161. |
39. Cheena spentofher pocket money. She spends 2 ofiton a book, 60n a movie, andthe rest on adress. What part of her pocket money did she spend on the dress? |
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Answer» Suppose total money is x 3/4th spent so 3x/4 spent 1/2 on book and 1/6 on movie and remaining on dress so on dress 3x/4 - 3x/8 - x/8 = (6x-3x-x)/8 = 2x/8 = x/4 so 1/4th on dress |
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| 77162. |
The sum of three consecutive even numbers is 276. Find the numbers |
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Answer» Let the three consecutive even numbers be x , x+2 and x+4 now sum is = x+x+2+x+4 = 276=> 3x+6 = 276=> 3x = 270=> x = 270/3 = 90 so, the numbers are = 90,92,94 |
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| 77163. |
What is the sum of any two (a) Odd numbers? (b) Even numbers? |
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Answer» 1)sum of two odd numbers is an even number for an example3+5= 8,1+3= 4 2) sum of two even is an even number2+8= 104+12= 18 |
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| 77164. |
b) An iron pillar consists of a cylindricalportion of 2.8 em height and 20 cm indiameter and a cone of 42 cm heightsurmounting it. Find the weight of thepillar 1 cm3 of iron weight 7.5 gram |
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| 77165. |
An iron pillar consists of a cylindrical portion of 2.8 m. height and 20 cm. in diameter anda cone of 42 cm. height surmounting it. Find the weight of the pillar if 1 cm of iron weighs7.5 g. |
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Answer» thanks |
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| 77166. |
An aeroplane flies around a square, the sidesof which measure 100 miles each. Theaeroplane covers at a speed of 100 mph thefirst side, at 200 mph the second side, at 300mph the third side and 400 mph the fourthside. The average speed of the aeroplanearound the square is1) 190 mph3) 192 mph2) 195 mph4) 200 mph |
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| 77167. |
noous are equal.1v Every rhombus is a kite(v) Every rectan.--タ Tru- og-ta se |
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Answer» true.Every rhombus is a kite, and any quadrilateral that is both akite and parallelogram is arhombus. Arhombusis a tangential quadrilateral. That is, it has an inscribed circle that is tangent to all four sides. |
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| 77168. |
Find the Ju2a From your pocket money, you save 1 on day 1, 2 on day 2, 3 on day 3 and so o[CBSE 2007 (How much money will you save in the month of March 2008? [CBSE 2008 (S |
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Answer» As it is given in question.. Saving is Rupee 1 On 1st day,2 rupees on 2nd day and 3 rupees on 3rd day and so on.. Clearly, it forms an A. P 1,2,3.....31. (as last day of march is 31 st) So, a = 1 ,d =2-1 =1. Last term (ań)=31 S31= n/2[2a+(n-1)d] S31=31/2[2*1+(31-1)1 S31=31/2[2+30] S31=31*16 S31=496 U save rupees 496 in march 2008 |
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| 77169. |
Among 6,40, 609, 2008, and 22845,---,---, and.. -- are even numbers. |
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Answer» 6,40,2008 is correct 6,40,2008 are even numbers 6,40,2008 is the correct answer 6402008 is right answer of this question |
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| 77170. |
et wth otTt e e s ba et atberit oy Amenmed. Shean ell"fi‘ 14 |
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Answer» 12+18+27+38+17+6=118/6 |
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| 77171. |
a) Find the simple interest on Rs.815000 at 5% per annum formonths. |
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Answer» very good |
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| 77172. |
Fig. 13.10EXERCISE 13.2Assume π, unless stated otherwise.7The curved surface area of a right circular cylinder of height 14 cm is 88 cm2. Findtheiameter of the base of the cylinder. |
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| 77173. |
Assulne Ď #-, unless stated otherwise.LDiameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curvedsurface area.finlnt height is 21 m and diameter of its base |
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| 77174. |
Unless stated otherwise, take Ď=647nm, arejoined end to end. Find the surface area oftheresulting cuboid. |
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Answer» Given, volume of each cube is 64 cm³⇒s³=64⇒s=∛64⇒s=4 cm.When two cubes are joined ,the length of the resulting cuboid(l) = side + side = 4+4 = 8 cmits breadth(b) = side = 4cmAnd its height(h) = side = 4cmTotal surface area of a cuboid = 2(lb+bh+hl)⇒TSA=2[(8)(4)+(4)(4)+(4)(8)]⇒TSA=2(32+16+32)⇒TSA = 2(80)⇒TSA = 160 cm²∴ The surface area of the resulting cuboid is 160 cm². |
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| 77175. |
EXERCISE 13.4Assume Ď--, unless stated otherwise.7Find the surface area of a sphere of radius: 10.5ă(i) 5.6cmGii) 14cm |
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| 77176. |
EXERCISE 13.4Assume Ď-, unless stated otherwise.7Find the surface area of a sphere of radius:) 105cm(n) 5.6cm(iii)14cmind the surface area of a sphere of diamnete |
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| 77177. |
ofheight220cmandbasediameter24A solid iron pole consists of a cylinderis surmounted by another cylinder of height 60 cm and radius 8 cm. Find the massoft:cm, which opole, given that I cm' of iron has approximately 8g mass. (Use rT-3.14) |
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| 77178. |
(5) 2. 3(4शाप ा ा.84 श्रृंखला 15, 35, 77, 143, .... में आगे की संख्या है:(1) 179 (2) 197 (3) 219 (4) 221 |
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Answer» option 4) 221 is the correct answer 221 is the right answer 219 is the right ans of this question 221 right question.................. 221 is the correct answer right answer is (4) 221 option d is the right answer=221 |
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| 77179. |
12.5% of a number is 75. Find thenumber. |
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| 77180. |
(2) 15 E(1) 150 ier(3) 15000 et (4) 1500ier |
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Answer» l=2mb=5mh=1.5mwater stored=volume=lbh=2×5×1.5=15m³1m³=1000litres15m³=15×1000=15000litre |
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| 77181. |
enWhat principal will amount to? 15000 at 10 % per annum in 5 years?If-852. |
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| 77182. |
If an=5-11n, find the common difference. |
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Answer» If n = 1 ;a1 = 5-(11×1)a1 = -6 If n = 2 ;a2 = 5-(11×2)a2 = -17 Now , a1=-6 & a2=-17Hence, common difference =d = a2-a1= -17-(-6)= -11 |
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| 77183. |
The circumference of a circle is 88 cm. Find itsarea. |
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Answer» Circumference of circle = 2πr88 = 2 × 22/7 × r88 = 44/7 × r88 × 7 = 44 × r616 = 44 × r616 ÷ 44 = r14 = radius Area of circle = πrsq = 22/7 × 14 × 14 = 44 × 14 = 616cm sq |
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| 77184. |
The curved surface area of a right circular cylinder of height 14 cm is 88 cm. Find the diameter of the base of the cylinder. |
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| 77185. |
4. TheNbucket is 40 cm. How much water can it hold?perimeters of circular ends of a bucket are respectively 220 cm and 88 cm. If the height of theAns: 80.08 |
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Answer» please like my answer if you find it useful |
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| 77186. |
s 219. 15 टू के 155 |
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Answer» (15*7+5)/7 + (15*7+2)/7 105+5/7 + 105+2/7 110/7 + 107/7 =217/7 =31 |
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| 77187. |
Write cubes of five natural numbers which are multiples of 3 and verify the following:he cube of a natural number which is a multiple of 3 is a multiple of 27" |
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| 77188. |
3, Ata point on the ground distant 15 m from its foot, the angle of elevation of the top ofthe first storey is 30°. How high the second storey will be, if the angle of elevation ofthe top of the second storey at the same point is 450? |
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| 77189. |
hm219 1~-105 & |
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Answer» 219 15-105 62=113 53 |
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| 77190. |
a148Mathematics forfind the numbe13, Sonal went to school for 219 daysdays on which the school was open.pol for 219 days in a full year. If her attendance is 75%, find the nu42660. What is the total valThe amounts to |
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| 77191. |
%. IE 11then x = ?b) 20d) 358. If5 x x 125a) 15c) 25 |
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Answer» Option c is correct. |
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| 77192. |
6.out actually performing the long division, state whether the followingrational numbers will have a terminating decimal expansion or a non-igepngecil xasion.125) 50(iii)(iv)441-2x5x7150006 |
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| 77193. |
Which of the following rational numbers has non-terminatingand repeating decimal expansionA)15/1600 (B)17/6(C) 23/8Find the sum and product of(D) 35/82.zeroes offn( 4 |
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Answer» Option B is correct answer. Explanation: 17/6 = 2.833333.....Division with 2, 5 and their higher powers (such as 4,25 etc.) always gives terminating decimal expansion. |
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| 77194. |
8.In an arithmetic progression an +5=35& a +1 = 23 then common differenceis |
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Answer» D=3 is correct answer |
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| 77195. |
(a) 20+ 00 _ ; 5! झुन, आए0-थब्र मान निर्मम कए्या।568 - (88 “कि v |
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Answer» (sect + tant)/(sect - tant) = 2 51/79 = 209/79 (1/cost + sint/cost) / (1/cost - sint/cost) = 209/79 (1+sint)/(1-sint) = 209/79 (1+sint-1+sint)/(1+sint+1-sint) = (209-79)/(209+79) 2sint/2 = 130/288 = 65/144 sint = 65/144 If you find this answer helpful then like it. |
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| 77196. |
5. If circumference of a circle is 88 cm. Find its area. |
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| 77197. |
first five natural numbers |
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Answer» 1,2,3,4,5this is the answer of your question. i hope this answer is write |
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| 77198. |
Express as km using decimals.(b) 88 m(0) 8888 mo 70 km 5 m |
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Answer» thanks tomorrow is my Exam |
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| 77199. |
5, 3, 14, 39,?, 155, 258(A) 84 (B) 88 (C) 92 (D) 96 (E) 104 |
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| 77200. |
Without actually performing the long division, state whether the following rationalnumbers will have a terminating decimal expansiondecimal expansionor a non-terminating repeating브29343(iv)3125 (351292 s) 210om) |
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