The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y?

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A rectangular field of 200m by 120m has two roads running along its center, one along the length and the other along the width. If the width of the roads is 5m, what is the area covered by the two roads?

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Among the 120 students of a class, numbered 1 to 120, all even numbered students opt for Bangla, whose numbers are divisible by 5 opt for English and those numbers are divisible by 7 opt for Math. How many opt for none of these three subjects?

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A shopkeeper makes a loss of 12% by selling an item at 80% of its marked price. What will be the percent profit made by the shopkeeper if he sells the item at 95% of its marked price?

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The arithmetic mean of the 5 consecutive integers starting with 'p' is 'q'. What is the arithmetic mean of 9 consecutive integers that start with (p+2)?

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If A : B= 1 : 2, B : C = 4 : 3 and A + B + C = 450, what is the value of B?

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