Question
'C' takes 50 minutes more than 'D' to cover 'x' km. If the
speed of 'C' and 'D' is 8 km/h and 10 km/h, respectively, find the value of 'x'.Solution
ATQ,
The average weight of ‘x’ group members is 56 kg. The average weight of (x – 18) women is 55 kg, of (x – 20) children is 50 kg, and of (x – 22...
Four numbers are arranged in ascending order. When the 1st two numbers are increased by the number equal to their position, and the last two numbers (i....
The average age of a class of 24 girls is 16 years. If 6 new girls having average age of 12 years join the class, then the average age of the class beco...
The average number of books sold by Viren in first 5 months is 3800 and in first 6 months is 4600. If the number of books sold by him in 7th ...
Average of 8 numbers is 25. If average of first four and last two numbers is 15 and 40, respectively then find the fifth number given that ratio of fift...
P spends 24% of his salary on transportation, 36% on food, 19% on children’s education and 17% on medical. He deposits the remaining amount of Rs....
The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
In a tournament, the average score of eight batsmen in the Chennai team is 80. If the highest three scores are not considered, th...
Average of four consecutive prime numbers Q1, Q2, Q3, and Q4 is (15 + x). If the average of Q1 and Q2 is (11 + x) and the average of Q3 and Q4 is (11 + ...
The average number of books on Biology, Chemistry, and Physics in a book shop is 300. Biology books are 150 more than the average number of Chemistry an...
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