Question
Binary trees are often used to represent hierarchical
data. Which of the following is NOT a direct application of binary trees?Solution
While binary trees (specifically BSTs) can be used within hash tables for collision resolution (e.g., separate chaining with trees), they are not used to implement the hash table structure directly. Hash tables primarily rely on arrays and hash functions.
A shopkeeper marks goods 40% above cost and offers two successive discounts of 20% and 25%. Find the overall profit or loss percent.
The cost price of 14 headphones equals the selling price of 10.5 headphones. The ratio of the cost price of a headphone to a phone case is 7:6. The tota...
A shopkeeper earns a profit of 30% by selling an article. What would be the approximate percent change in the profit percent, if he had paid 20% less an...
An item costs Rs.1250. It is marked up by x% and then sold after a discount of (x – 8)%. The seller earns a profit of Rs.30. Find the marked price.
A shopkeeper sold an article for Rs. 300 after offering a discount of 40%. If he earned a profit of 50%, then find the ratio of cost price to the marked...
When a shopseller offers a discount of d% on item A and (d + 5)% on item B, quoting an equal marked price on both the items. If the ratio of S.P of item...
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A shopkeeper bought two articles for Rs. 900 each. If he sold one of them at 40% profit and the other at 25% loss, then find the difference between the ...
Two articles P and Q were sold at 20% profit and 25% loss respectively. If the cost price of Q is Rs. 180 and the net profit on the deal is Rs. 6, find ...
A smartphone is billed at Rs. 630 after two successive reductions of x% and 30%, respectively. The sticker price is Rs. 1000. Find x.
