Question Answers
Sahay Sir > Question Answers
Find the HCF and LCM of 6, 72 and 120, using the prime factorisation method.
03
Oct
Find the HCF and LCM of 6, 72 and 120, using the prime factorisation method. 72 and 120 Find the HCF and LCM of 6 using the prime factorisation method. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 7.1 , Maths , NCERT Class 10 ,
The speed v reached by a car of mass m in travelling a distance x, driven with constant power P, is given by
03
Oct
The speed v reached by a car of mass m in travelling a distance x, driven with constant power P, is given by driven with constant power P is given by The speed v reached by a car of mass m in travelling a distance x October 3, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Find the HCF of 96 and 404 by the prime factorisation method. Hence, find their LCM.
03
Oct
Find the HCF of 96 and 404 by the prime factorisation method. Hence, find their LCM. Find the HCF of 96 and 404 by the prime factorisation method. Hence find their LCM. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 7.1 , Maths , NCERT Class 10 ,
Find the LCM and HCF of 6 and 20 by the prime factorisation method.
03
Oct
Find the LCM and HCF of 6 and 20 by the prime factorisation method. Find the LCM and HCF of 6 and 20 by the prime factorisation method. October 3, 2020 Category: Chapter 1 - Real Numbers , Exercise 7.1 , Maths , NCERT Class 10 ,
A sweet seller has 420 kaju barfis and 130 badam barfis she wants to stack them in such a way that each stack has the same number and same type, and they take up the least area of the tray. What is the number of burfis that can be placed in each stack for this purpose?
03
Oct
A sweet seller has 420 kaju barfis and 130 badam barfis she wants to stack them in such a way that each stack has the same number and same type, and they take up the least area of the tray. What is the number of burfis that can be placed in each stack for this [...]
A heavy weight is suspended from a spring. A person raises the weight till the spring becomes slack. The work done by him is W. The energy stored in the stretched spring was E.
03
Oct
A heavy weight is suspended from a spring. A person raises the weight till the spring becomes slack. The work done by him is W. The energy stored in the stretched spring was E. A heavy weight is suspended from a spring. A person raises the weight till the spring becomes slack. The work done [...]
A bus can be stopped by applying a retarding force F when it is moving with speed v on a level road. The distance covered by it before coming to rest is s. If the load of the bus increased by 50 %
03
Oct
A bus can be stopped by applying a retarding force F when it is moving with speed v on a level road. The distance covered by it before coming to rest is s. If the load of the bus increased by 50 % A bus can be stopped by applying a retarding force F when [...]
An engine pumps water continuously through a hole. Speed with which water passes through the hole nozzle is v, and k is the mass per unit length of the water jet as it leaves the nozzle.
03
Oct
An engine pumps water continuously through a hole. Speed with which water passes through the hole nozzle is v, and k is the mass per unit length of the water jet as it leaves the nozzle. An engine pumps water continuously through a hole. Speed with which water passes through the hole nozzle is v [...]
A pump motor is used to deliver water at a certain rate from a given pipe. To obtain n times water from the same pipe in the same time, by what amount should the power of the motor be increased?
03
Oct
A pump motor is used to deliver water at a certain rate from a given pipe. To obtain n times water from the same pipe in the same time, by what amount should the power of the motor be increased? A pump motor is used to deliver water at a certain rate from a given [...]
An engine pumps up 100 kg of water through a height of 10 m in 5 s. Given that the efficiency of the engine is 60%, what is the power of the engine? Take g = 10 m/s^2.
03
Oct
An engine pumps up 100 kg of water through a height of 10 m in 5 s. Given that the efficiency of the engine is 60%, what is the power of the engine? Take g = 10 m/s^2. An engine pumps up 100 kg of water through a height of 10 m in 5 s. [...]