Question Answers

58. For fixed time period and rate of interest, the simple interest is directly proportional to the principal. 58. For fixed time period and rate of interest the simple interest is directly proportional to the principal. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 ,

57. The number of workers and the time to complete a job is a case of direct proportion. 57. The number of workers and the time to complete a job is a case of direct proportion. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions , Maths , NCERT Class 8 ,

56. If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10. 56. If x varies inversely as y and when x = 6 then for x = 8 the value of y is 10. y = 8 August 5, 2021 [...]

55. When two quantities are related in such a manner that if one increases and the other decreases, then they always vary inversely. 55. When two quantities are related in such a manner that if one increases and the other decreases then they always vary inversely. August 5, 2021 Category: Chapter 13 - Direct and [...]

54. When two quantities are related in such a manner that, if one increases, the other also increases, then they always vary directly. 54. When two quantities are related in such a manner that if one increases the other also increases then they always vary directly. August 5, 2021 Category: Chapter 13 - Direct and [...]

53. If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other. 53. If one angle of a triangle is kept fixed then the measure of the remaining two angles vary inversely with each other. August 5, 2021 Category: Chapter 13 - Direct and [...]

52. If p and q are in inverse variation then (p + 2) and (q – 2) are also in inverse proportion. 52. If p and q are in inverse variation then (p + 2) and (q – 2) are also in inverse proportion. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions [...]

51. If x and y are in inverse proportion, then (x + 1) and (y + 1) are also in inverse proportion. 51. If x and y are in inverse proportion then (x + 1) and (y + 1) are also in inverse proportion. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions [...]

50. If x and y are in direct proportion, then (x – 1) and (y – 1) are also in direct proportion. 50. If x and y are in direct proportion then (x – 1) and (y – 1) are also in direct proportion. August 5, 2021 Category: Chapter 13 - Direct and Inverse Proportions [...]

49. If a tree 24 m high casts a shadow of 15 m, then the height of a pole that casts a shadow of 6 m under similar conditions is 9.6 m. 49. If a tree 24 m high casts a shadow of 15 m then the height of a pole that casts a shadow [...]