Question
A shopkeeper marks his goods 50% above the cost price
but allows his customers a discount of 20% on the marked price. What is his actual profit if selling price is rupees 6000?Solution
Let the cost price be 100x. Marked price = (100 + 50) % of 100x = 150x Selling price after 20% discount = 150x Γ 0.8 = 120x 120x = 6000 x = 50 Profit = 120x β 100x = 20x = 1000
47.87% of 749.76 + 35.11% of 399.76 = β? + 23.15 Γ 20.87
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
(?)2 = (5.99)2 + (7.88)2 + 43.99

Train 'P' travels at a speed of 45 km/h and crosses train 'Q' in 15 seconds while moving in opposite directions. Determine the speed of train 'Q' if the...
`[(7.99)^2 - (13.001)^2 + (4.01)^3]^2=` ?
A number is first increased by 35% and then decreased by 35%. If the net change in the number is 302.5, then find the original number.
A bag contains red, green, and blue balls, with a total of 16 balls. The probability of drawing two blue balls in one draw is 3/8. How many blue balls a...
35.05% of 14.87 Γ (13.02 β ?) + 30.19 = 188.7
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...