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ATQ, Total time taken to cover the whole journey = (200/25) + (160/20) = 8 + 8 = 16 km Desired average speed = 360/16 = 45/2 = 22.5 km/h
In a village with a population of 8,500 people, 80% of them are adults. Among these adults, only 75% possess a ration card. Furthermore, 60% of the rati...
A clock has a cost price of Rs. 1,800. It is marked at a price that is 50% higher than the cost price and then sold after two consecutive discounts of 1...
The average of x numbers is 24. If 60% of these numbers are reduced by 5 and the remaining 40% are increased by 10, what will be the new average of th...
If x + 1/x = 2 then find x32 + 1/(x32)
Two years from now, the grandson's age will be 25% of the grandfather's age. Three years ago, the grandfather's age was five times the grandson's age. D...
Find the unit digit of 3323 + 4235
Find the LCM of 34 and √784.
If '+' means '-' , '-' means 'x' , 'x' means '÷' , '÷' means '+' , then what will be the value of ' 67 ÷ 28 + 600 x 50- 10 ' = ?
...A man complete a journey in 15 hours. He travels first half of the journey at the rate of 6 km/hr and second half at the rate of 4 km/hr. Find the total...
The ratio of the present ages of Asha and Lata is 5 : 6. If the difference between their ages is 6 years, then what will be Lata's age will be after 5 y...