Question

Meena bought 200 kg apples at 50 per kg. If she sold 65% of the apples at 80 per kg and the remaining at 35 per kg, then her gain or loss(%) is​

Answer 1

Answer:

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In △ADB and △ACB

AB=AB (common side)

AD=BC (given)

∠BAD=∠ABC (given)

∴△ADB≅ACB by SAS congruence rule.

Now corresponding angles of congruent triangles are equal

⇒ACB=∠ADB