Question

8. Soumya ate 2/5 part of an apple and her younger brother Somu ate the remaining part. What part of the apple did Sonu eat? Who had the longer share and by how much?​

9. simplify
a) 7-3 ¹/² - 2 ¹/²
b) 3 ¹/⁸×2 ²/5×1 ³/5
c) 11.2×0.15÷⁴/⁵
d) 3 ³/6÷⁸/²¹×¹/²⁷

10. Arrange the following rational numbers in the descending order:

1) 2/-3, -4/9, -5/12, 7/-18

2) 3/-4, -5/12, -7/16, 9/-24

11. Simplify:
1) -2 + ( 3 / 8 ) + ( - 1 / 5 ) ,

2) (2/3) + (-7/11) + (-1/4)

12. From which number should (-11/4) be subtracted to give (-11/4)?

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Answer 1

8) total part of apple is 5/5

Soumya ate =2/5

part of apple eaten by somu is 5/5-2/5

= 3/5

9)