Question Answers

147. The overall width in cm of several wide-screen televisions are 97.28 cm, 98 4/9 cm, 98 1/25 cm and 97.94 cm. Express these numbers as rational numbers in the form p/q and arrange the widths in ascending order. 147. The overall width in cm of several wide-screen televisions are 97.28 cm 98 1/25 cm [...]

146. The table shows the portion of some common materials that are recycled. 146. The table shows the portion of some common materials that are recycled. July 9, 2021 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,

145. The table given below shows the distances, in kilometres, between four villages of a state. To find the distance between two villages, locate the square where the row for one village and the column for the other village intersect. 145. The table given below shows the distances between four villages of a state. To [...]

144. Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each. 144. Four friends had a competition to see how far could they hop on one foot. The table given shows the distance covered by each. July 9, 2021 Category: Chapter [...]

143. One fruit salad recipe requires 1/2 cup of sugar. Another recipe for the same fruit salad requires 2 tablespoons of sugar. If 1 tablespoon is equivalent to 1/16 cup, how much more sugar does the first recipe require? 143. One fruit salad recipe requires 1/2 cup of sugar. Another recipe for the same fruit [...]

142. Shalini has to cut out circles of diameter 1 1/4 cm from an aluminium strip of dimensions 8 3/4 cm by 1 1/4 cm. How many full circles can Shalini cut? Also calculate the wastage of the aluminium strip. 125. Find the multiplicative inverse of July 9, 2021 Category: Chapter 1 - Rational Numbers [...]

141. The diagram shows the wingspans of different species of birds. Use the diagram to answer the question given below: (a) How much longer is the wingspan of an Albatross than the wingspan of a Sea gull? (b) How much longer is the wingspan of a Golden eagle than the wingspan of a Blue jay? [...]

140. Find the product of additive inverse and multiplicative inverse of –1/3 . 140. Find the product of additive inverse and multiplicative inverse of –1/3 . July 9, 2021 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,

139. Find the sum of additive inverse and multiplicative inverse of 7. 139. Find the sum of additive inverse and multiplicative inverse of 7. July 9, 2021 Category: Chapter 1 - Rational Numbers , Maths , NCERT Class 8 ,

138. On a winter day the temperature at a place in Himachal Pradesh was –16°C. Convert it in degree Fahrenheit (0F) by using the formula. C/5 = F – 32/9 138. On a winter day the temperature at a place in Himachal Pradesh was –16°C. Convert it in degree Fahrenheit (0F) by using the formula. [...]