Question
Who first saw and described a live cell under
microscope?Solution
Anton Von Leeuwenhoek(1674)first saw and described a live cell under microscope.
The average cost price of 18 pens (having equal cost price) decreased by Rs.2, when one of the pen is replaced by a new pen having cost price of Rs.74. ...
A cricketer whose bowling average is 24.85, runs per wicket, takes 5 wickets for 52 runs and thereby decreases his average by 0.85. The number of wicket...
The average number of toffees distributed among five boys is 8. If each boy received 1 toffee more than the boy before him, then find the highest number...
Average marks scored by each boy in a class were 100, whereas that by each girl were 90. If the number of boys is 50% more than the number of girls, the...
- The average of ‘x’ numbers is 20. If 65% of the numbers are decreased by 2 and the remaining numbers are increased by 5, then find the new average of t...
In an exam of 100 marks, the average marks of a class of 38 students are 72. If the top 3 scorers of the class leave, the average score falls “dow...
- There are three distinct numbers ‘d’, ‘e’ and ‘f’. If, d = 120, (d + e) = 420 and (f – e) = 60, then find the average of d, e and f.
A team's average score in the first 14 matches was a certain number. In the next 7 matches, their average was 84 runs, which increased the overall avera...
The average cost of 4 chairs is Rs. 11000. The average cost decrease by 15% when one more chair is included. What is the cost price of the 5th
The average weight of 12 players in a team is increased by 1/3 kg, when one of the players whose weight is 55 kg is replaced by another player. What is ...
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