If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 72 ! 6 # 4 ^ 36 $ 4 is
72 ! 6 # 4 ^ 36 $ 4 72 × 6 – 4 + 36 ÷ 4 72 × 6 – 4 + 9 432 – 4 + 9 = 437.
Find the area of the triangle whose vertices are (3, 6), (– 3, 2) and (4, 1).
A vessel contains 50 liters of a solution with 40% acid. 10 liters of this solution are removed and replaced with a solution containing 70% acid. The pr...
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Quantity I: Ratio of present ages of A and B is 6:7 respectively while the ratio of present ages of C and D is 8:9. Ratio of the age of B after two y...
900 metres long train crosses a man who is moving in the same direction with a certain speed, in 30 seconds. If the same train can cross a tree in 20 se...
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A manufacturer sells an article to a wholesaler at a profit of 20%. The wholesaler sells it to a retailer at a profit of 25%, and the retailer sells it ...
A and B can complete a work in 12 days and 15 days respectively. If they work together for 4 days and then B leaves, in how many days can A complete the...
Rs. 156 is to be shared among 40 students, if each girl receives Rs.4.50, and boy receive Rs.3.50. Find the ratio of number of boys and girls.
