Please answer 5,6 and 7 question - Maths - Number System

Question

Please answer 5,6 and 7 question

Suraj Basappa Belure · Accepted Answer

Dear student,
the solution for question 7 is:
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_60004fc37bdf8%20jpg"
style="width: 448px; height: 1022px;">
So he needs Rs 450 more to buy a dressing table costing Rs 4000
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