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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.
| 301. |
Express 0.041 as a fraction. |
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Answer» We have, 0.041 = 41/1000 |
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| 302. |
A rectangle is divided into certain number of equal parts. If 16 of the parts so formed represent the fraction 1/4, find the number of parts in which the rectangle has been divided. |
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Answer» Let the number of parts in which the rectangle has been divided be x. According to question, 1/4 = 16/x By cross-multiplication, x = 16 × 4 = 64 ∴ The required number of parts is 64. |
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| 303. |
On an average 1/10 of the food eaten is turned into organism’s own body and is available for the next level of consumer in a food chain. What fraction of the food eaten is not available for the next level? |
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Answer» We have given, 1/10 of the food eaten is turned into organism’s own body. ∴ The required fraction of the food eaten not available for the next level is 1 - 1/10 = (10-1)/10 [∵ L.C.M. of 1 and 10 is 10] = 9/10 |
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| 304. |
The decimal expression for 8 rupees 8 paise (in Rupees) is (a) 8.8 (b) 8.08 (c) 8.008 (d) 88.0 |
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Answer» Correct answer is (b) 8.08. |
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| 305. |
Convert 5201 g to kg. |
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Answer» We have, 5201 g = 5201/1000 kg [∵ 1 kg = 1000 g] = 5.201 kg |
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| 306. |
Convert 1537 cm to m and express the result as an improper fraction. |
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Answer» We have, 1537 cm = 1537/100 m [∵ 1 m = 100 cm] = 15.37 m |
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| 307. |
Grip size of a tennis racquet is 11 9/80 cm. Express the size as an improper fraction. |
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Answer» We have given, a grip size of a tennis racquet = 11 9/80 cm = 889/80 cm, which is the required improper fraction. |
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| 308. |
Express 11/20 as a decimals. |
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Answer» We have, 11/20 = (11 x 5)/(20 x 5) = 55/100 = 0.55 |
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| 309. |
Write the following extended form in decimal fraction(i) 30 +5 + 8/10 + 3/100(ii) 0/10 + 9/100 + 9/1000 |
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Answer» (i) 30 + 5 + 8/10 + 3/100 = 30 + 5 + 0.8 + 0.03 = 35.83 (ii) 0/10 + 9/100 + 9/1000 = 0.09 + 0.009 = 0.099 |
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| 310. |
If the area of a rectangle is 93.6 m and the width is 3.6 m, then find the perimeter of the rectangle. |
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Answer» Area of rectangle = 93.6 m2 breadth = 3.6 m Area of rectangle = l x b ⇒ 93.6 = l x 3.6 ∴ l = 93.6 ÷ 3.6 = 936/10 ÷ 36/10 = 936/10 x 10/36 = 936/36 = 26 m Perimeter of rectangle 2(l + b) = 2 (26 + 3.6) = 2 x 29.6 = 59.2 m |
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| 311. |
Are you agree with that to find the area of a rectangle, we must know how to multiply two or more than fractional numbers? |
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Answer» Yes. we are agree with that we must know, how to multiply two or more fractional numbers. |
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| 312. |
You know that area of a rectangle = length x breadth. But if length and breadth is given in fraction, then how will you find the area of rectangle? |
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Answer» If length and breadth are given in fractional numbers then the numerators are multiplied with numerators and denominators with denominators to find a fraction that is the area of a rectangle: For example: length = 4/5 unit and breadth = 3/7 unit Then area of rectangle = length x breadth = 4/5 x 3/7 = (4 x 3)/30 = 5/7 = 12/35 sq unit. |
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| 313. |
Find the area of a rectangle whose length is 6.4 cm and breadth is 3.2 cm? |
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Answer» Length of rectangle = 6.4 cm Breadth of rectangle = 3.2 cm Area of rectangle 6.4 x 3.2 = 20.48 cm2 |
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| 314. |
If 6/7 = A/49, then the value of A is(a) 42(b) 36(c) 25(d) 48 |
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Answer» The correct option is (a) 42. |
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| 315. |
Write the reciprocals of the following numbers:1. 7 2. 11/33. 5/134. 2 5. 6/7 |
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Answer» 1. 1/7 2. 3/11 3. 19/5 4. 1/2 5. 7/6 |
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| 316. |
Fill in the blanks to make the statement true.The lowest form of the product 2 3/7 × (7/9) is ...... |
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Answer» The lowest form of the product 2 3/7× (7/9) is (17/9) or 1 8/9 First we have to convert the mixed fraction into improper fraction 2 3/7 = 17/7 Then, (17/7) × (7/9) = 17/9 |
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| 317. |
Replace and mnsq2 in each of the following by the correct number:(a) 2/7 = 8/...(b) 5/8 = 10/...(c) 3/5 = ..../20(d) 45/60 = 15/....(e) 18/24 = ..../4 |
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Answer» (a) 2/7 x 4/4 = 8/28 Hence, & mnsq2 Can be replaced by 28. (b) 5/8 x 2/2 = 10/16 Hence, & mnsq2 Can be replaced by 16. (c) 3/5 x 4/4 = 12/20 Hence, & mnsq2 Can be replaced by 12. (d) 15/20 x 3/3 = 45/60 Hence, & mnsq2 Can be replaced by 20. (e) 3/4 x 6/6 = 18/24 Hence, & mnsq2 Can be replaced by 3. |
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