Question
What type of substance is commonly used as a
thermometric material due to its responsiveness to temperature changes?Solution
Mercury is widely used in thermometers due to its uniform expansion over a wide range of temperatures, making it highly reliable for precise temperature measurements.
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
The average weight of 7 boxes P, Q, R, S, T, U and V is 72kg. Another box A is added to group and the average now becomes 70kg. If another box C whose ...
The average weight of 25 students in a classroom was found to be 52 kg. Later, it was discovered that one student’s weight was taken as 59 kg instead ...
The average of 35 numbers is 50. If 5 is added to each number, then the new average will be:
The average of 18 numbers is 36. If 4 is added to each number, then the new average will be:
Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 86.6 and 13th, 14th a...
A batsman had an average of 42.8 over 15 innings. In his next three innings, he made 55, 103, and 47 runs. What is his updated batting average?
Out of 6 numbers, the sum of the first 5 numbers is 7 times the number. If their average is 136, then the 6th number is:
The average weight of 5 students in a class is 25.8kg. When a new student joins them, the average weight increases by 3.9kg. Then what will be the appro...
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