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ATQ, Let the upstream and downstream speed of the boat be '4x' km/hr and '11x' km/hr, respectively. ATQ, 11x = (132/6) So, 'x' = 2 So, upstream speed of the boat = 4x = 4 × 2 = 8 km/hr Required distance = 8 × 9 = 72 km
Average run scored by a batsman in 20 innings is 90. In next 6 innings, he scored runs with an average of ‘x’ so that his overall average increases ...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
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Out of 6 numbers, the sum of the first 5 numbers is 7 times the number. If their average is 136, then the 6th number is:
The average age of 6 sisters is 30 yr. If the age of the youngest sister be 5 yr. What was the average age of the group of sister just before the birth ...
The average height of each student in a class of 15 students is 160 cm. If 6 new students joined the class, then the average height of the each student ...
The average age of a class of 17 girls is 12 years. If 3 new girls having average age of 8 years join the class, then the average age of the class becomes:
Average run scored by a batsman in first ‘x’ matches is 50. In next 16 matches he scored runs with an average of 70 so that his overall average incr...
In a company, the average age of 40 employees is 20 years. When the ages of two managers, one 'a' years old and the other 'a + 10' years old, are includ...
The average score of 10 students in a test is 85. If the average of the top 4 scores is 92.5, what is the average score of the other 6 students?
The average salary of A, B and C is Rs. 22000 while average salary of B, C and D is Rs. 25000. If the average salary of D be 2 times of that of A, then...
