For the following questions answer them individually
If a shopkeeper marks the price of goods 40% more than their cost price and allows a discount of 40%, then what is his gain or loss percent?
The ratio of two positive numbers is 9 : 11. Their product is 6336. What is the smallest number?
B starts some business by investing Rs 90000. After 4 months, D joins business by investing Rs 80000. At the end of the year, in what ratio will they share the profit?
Average of 9 numbers is 20. If a number 30 is also included, then what will be the average of these 10 numbers?
By selling 50 metres of cloth, a person gains the cost price of 20 metres of cloth. What is his gain percent?
If some articles are bought at Rs 10 each and sold at Rs 7 each, then what is the loss percentage?
A man saves 30% of his income in 1 year. If he wants to save the same amount in 8 months, then by how much percentage should he increase his monthly savings?
A man spends 80% of his income and saves the rest. If his income and spending both increases by 10%, then what is the percentage change in his savings?
A car travels at a speed of 25 m/s for 8 hours. What is the distance (in km) travelled by the car?
A 450 meter long train crosses a bridge 650 meters long in 36 seconds. What is speed (in km/hr) of the train?
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