The volume of a cylinder with radius ‘r’ and height ‘h’ is measured by:
If the radius is 21 cm and the angle at center of circle is 140° then the length of the arc is:
200-N/C electric field is in the positive x direction. The force on an electron in this field is
Some notebook systems are designed to be plugged into a
A model of a weir made to a horizontal scale of 1/40 and vertical scale of 1/9 discharges 1 litre/sec. Then the discharge in the prototype is estimated as
A 500 turns solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change of 0.06 Wb occur to produce such a voltage
If radius is 21 cm and angle at center of circle is 140° then length of arc is
If sector of circle of radius 16 cm has an area of 140 cm² then angle subtended at center of circle is
Surface area of hollow cylinder with radius ‘r’ and height ‘h’ is measured by
By converting 900000cm³ into liters, answer will be
If diameter of right circular cylinder is 18cm with height of 28cm and value of pi = 3.142 then total surface area of cylinder is
If arc of circle of radius 30 cm has a length of 19 cm then angle subtended at center of circle is
In an examination 38% of students fail in English and 61% pass in Hindi and 23% fail in both. Find the actual failure percentage
Mauli purchased a designer saree from mumbai at 8/9th of its MRP.When she came back to Delhi,her neighbour coaxed Mauli to sell the saree to her.She was even ready to pay 9% more than its MRP.What would Mauli’sgain percentage be,if she decides to sell the saree to her neighbour