Question
One - Fourth of a certain journey is
covered at the rate of 25km/h, one- third at the rate of 30 km/h and rest at 50 km/h. Find the average speed for the whole journey.Solution
The average number of stickers distributed among five girls is 13. If each girl received 1 sticker more than the girl before, then find the highest numb...
Find the sum of the first and last numbers if the average of seven continuous numbers is 90.
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...
The average of two consecutive even numbers is 85. If the smaller number is increased by 20% and the larger number is decreased by 20%, then find the di...
The university has 750 faculty (male and female only) out of which the females are 60%. The average height of females is 162 cm and that of males is 168...
The average of 12, 33, and x is 25. What is the value of x?
Average 20 numbers is ‘x’. If the average of first 12 numbers is 62.5 while average of last 5 numbers is 84.8 and 13th, 14th...
The average weight of 16 people increases by 500 grams when two individuals, each with an average weight of 40 kg, are added. What is the new average we...
Amit achieved a score of 28% in an exam but fell short by 42 points to pass. Rahul, on the other hand, secured 41% in the same test and exceeded the pas...
- What is the average of the squares of the first 11 natural numbers?
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