A shopkeeper sells his article at 16*2/3% profit on S.P. What is his actual profit?
A) 20% B) 21% C) 25 % D) 19 % Solution
Month: July 2023
An egg seller sells his eggs only in the packs of 3 eggs, 6 eggs, 9 eggs, 12 eggs etc., but the rate is not necessarily uniform. One day Raju purchased at the rate of 3 eggs for a rupee and the next hour he purchased equal number of eggs at the rate of 6 eggs for a rupee. Next day he sold all the eggs at the rate of 9 eggs for Rs.2. What is his percentage profit or loss?
A) loss 10 % B) 11.11% loss C) 20 % loss D) 16 % loss Solution
A man purchased some eggs at 3 for Rs. 5 and sold them at 5 for Rs.12. Thus he gained Rs. 143 in all. the number of egges he bought is
A) 210 B) 200 C) 195 D) 190 Solution
0.023g of sodium metal is reacted with 100cm 3 of water. The pH of the resulting solution is?
A) 10 B) 11 C) 9 D) 12 Solution
Excess of carbon dioxide is passed through 50 mL, of 0.5 M calcium hydroxide solution. After the completion of the reaction, the solution was evaporated to dryness. The solid calcium carbonate was completely neutralised with 0.1 N hydrochloric acid. The volume of hydrochloric acid required is (Atomic mass of calcium = 40)
A) 300 cm3 B) 500 cm3 C) 290cm3 D) 450 cm3 Solution