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1. In which the denominator=63 that is 7×9
Hence 4×9=36
2.
- .Let x to be subtracted from 0.908 to get 0.509
- 0.908 -x =0.509
- 0.908-0.509=x
- Hence the answer is 0.399
3. 60%
4. 12.5
5.
- Area =4500cm²
- Length=90 cm
- so,
- Breadth=Area/breadth =4500/90 =50cm
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