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A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will
Shweta has connected a cell with a bulb. The bulb didn't glow. What could be the reasons? A. Bulb was connected by the positive terminal from both ends. B. One end of the bulb was connected with a positive terminal and another end was connected with a negative terminal.  C. Bulb was connected by the negative terminal from both ends D. Bulb was fuse.
Hotel Aditya has 10 single AC rooms, 5 double AC rooms and 18 non AC rooms. The fixed monthly rent of hotel is 150,000. The per day maintenance cost is Rs. 100 for double AC room, Rs. 75 for single AC room and Rs. 40 for non AC room. The per day charges are Rs. 600 for double AC room, Rs. 400 for single AC room and Rs. 250 for non AC room. In April 2003, the occupancy rate of non AC room was 50%, 70% of single AC room and 40% of double AC rooms. Find the profit/loss % for that particular month.
The following question, there are three statements I, II and III. Read the question carefully and mark your answer according to which statements(s) is/are sufficient to the answer the question. Find the total cost of flooring a room? Statement I: The length of the room is 70% more than the breadth of the room Statement II: The cost of flooring some other room whose length is twice the length of the given room and breadth is one third of the breadth of the given room is Rs.3000 less than the cost of flooring of given room Statement III: The perimeter of the room is 90 m and cost of flooring is Rs. 20 per m2
The average area of 2 rooms I and II are 400 square meters. If one rectangular room(III) area is added then the average area becomes 500 square meters. If another room IV, whose area is 600 square meters more than the III room, replaces room I, then the average area of II, III and IV room becomes 900 square meters. Find the area of I room.
The average area of 3 square rooms I, II, and III are 1600 square meters. If one rectangular room(IV) area is added then the average area becomes 1400 square meters. If another room V, whose area is 400 square meters more than the IV room, replaces room I, then the average area of II, III, IV, and V room becomes 1350 square meters. Find the area of I room.
A room whose length is 40% more than the breadth. The Perimeter of the floor of the room is 96 cm and the height of the room is 4/7 of the length of the room. If there is whitewashing in the room, the cost of whitewash is Rs.50 per cm2. Find the total cost in the whitewash of the whole room except the floor.
An electric cell is connected to the bulb from its one end. The other end of both bulb and cell is open. Given, the connections are correct and bulb and cell both are in working conditions, which among the following will ensure that the bulb will not glow when it is connected across both open ends?
An electric circuit is set up in such a way that the positive terminal of a battery V is connected to a bulb B1 which is connected to a resistor R which is connected to bulb B2. B2 is finally connected to the negative terminal of the battery. Both the bulbs are glowing. If the value of R is increased, then
There were X people in a room when a meeting started. Y people left the room during the first hour, while Z people entered the room during the same time. Find the equation that gives the number of people in the room after the first hour as a percentage of the number of people in the room who have been there since the meeting started?