Question
What defines an
ion?Solution
An ion is an atom or molecule with a net electrical charge due to the loss or gain of one or more electrons.
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?
The average of the first 6 numbers is 'x+40', the average of the next 8 numbers is 'x', and the average of the remaining 6 numbers is 'x−10'. If the a...
The average of a set of 's' numbers is 20. If 80 is added to the set, then the average of the set becomes 20.5. Find the value of '4 X (s - 12)'.
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The ratio of the present ages of P and Q is 7:4 respectively. If the age of P 13 years hence from now will be 125% more than the age of Q 4 years ago fr...
In a training group of 32 members, the average score is 60. One member with a score of 56 leaves, and 4 new members with an average score of 64 join. Wh...
The average salary of 35 employees in a company was calculated to be ₹42,000. Later it was found that ₹45,000 was entered as ₹54,000, and ₹39,00...
Average run scored by a batsman in 20 innings is 60. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
A student's marks were wrongly entered as 65 instead of 45. Due to this, the average marks for the class increased by 1 /3 The number of students in the...
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