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A’s position from the front = 12 Number of boys between A and B = 5 ∴ B’s position from the front = 6 Position of B from the back = 9 Total number of boys = (9 + 6) – 1 = 15 – 1 = 14 Hence, 14 boys are in the row.
In a General store, the average cost of a Rice bag, Pulse bag and Sugar bag is Rs.600. The average cost of sugar bag and Pulse bag is Rs.650. What will ...
Average of four numbers is 27. Sum of smallest and largest number is 56. If difference between other two numbers is 2, then find the square of second sm...
The average of 4, 6, 8, 12 and x is 7 and the average of x, 9, 13, 15 and y is 9. What is the value of 2x – 3y?
The cost of booking a bus consists of a fixed charge and a variable charge per seat. When 75 seats are booked, the average cost per seat is Rs. 36. Howe...
The average number of books sold by Viren in first 3 months is 3000 and in first 4 months is 3800. If the number of books sold by him in 5th ...
The average of 7 numbers is 28. The average of first three of them is 23 and the last three of them is 42. Then the fourth number is:
The average expenditure of a man for the first 6 month is Rs.6000 and for the next 6 months is Rs.8000. If he saves 12000 in that year then find his ave...
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 ...
The average age of 4 children in a family is 30% of the average age of the mother and the youngest child. The total age of the father and the eldest chi...
20 students go for a picnic. 10 of them spent Rs. 64 each on their food and rest spent Rs.4 more than the average expenditure of all 20. What was the to...
