Exam Maths Puzzle Logical Reasoning Number Series

13, 74, 290, 650, ..

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Exam Other Question

The price of a mobile is reduced by 35%. The new price is reduced by a further 30%. The two reductions together are equal to a single reduction of
a) 10.25%
b) 54.75%
c) 65%
d) 62.25%

If none of them, please specify the exact answer.

Detailed/ step-by-step explanation would be helpful. aamir and birju can cut 5000 g of wood in 20 min.birju and charles can cut 5000 g of wood in 40 min.charles and aamir can cut 5 kg of wood in 30 min.how much time charles will take to cut 5 kg wood alone??