Question
A + B means ‘A is the mother of B’; A – B means ‘A
is the husband of B’; A × B means ‘A is the son of B’; A ÷ B means ‘A is the daughter of B’. If S × R + Q ÷ P, then how is P related to R?Solution
Average run scored by a batsman in first ‘x’ matches is 44. In next 8 matches he scored runs with an average of 80 so that his overal...
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Average of 15 observations calculated by a student was 65 but when he again went through his observations he realised that he took value of three observ...
Average run scored by a batsman in first ‘x’ matches is 75. In next 13 matches he scored runs with an average of 90 so that his overa...
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