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If the cost price is 95% of selling price. What is the profit percent ?
Let selling price = Rs. 100
∴ Cost price = Rs. 95
The marked price of an article is Rs.1500. A discount of 20% is given on the marked price. What additional % discount must be offered to the customer to bring the net price Rs. 1104?
Let required discount is x% .
A tradesman gives 4% discount on the marked price and gives 1 article free for buying every 5 articles and thus gains 25%. How much percent is the marked price more than the cost price?
Let marked price is Rs. 100
∴ Selling price of 6 articles = 5 × 96 = Rs. 480
A sum of money at simple interest amount to 1012 in year and to Rs. 1067.20 in 4 years. What is the rate of interest per annum?
The average age of a team of 9 members is 23 years. If the age of the team leader be included then the average increases by 3 months. What is the age of the team leader ?
Age of team leader = = 25.5 years
Rs. 31450 is divided among A, B and C in the ratio of 1/2 : 1/4 : 5/16. What is the difference between the smallest and greatest part?
If 3x – 3x–1 = 54 then find the value of 2x2 + 4x + 3
3x – 3x – 1 = 54
x = 4
∴ 2x2 + 4x + 3 = 2 × (4)2 + 4 × 4 + 3
= 51
Three men can complete a piece of work in 6 days. Two days after they started the work 3 more men joined them. How many days will they take to complete the remaining work ?
Total work = 3 × 6 Unit
Work done in 2 days = 2 × 3 = 6 unit
A man goes from a place A to B at a speed of 30 km/hr and returns at a speed of 20 km/hr. What is the average speed for the whole journey?
Average speed = = 24 km/hr
The smallest five digit number which is divisible by 12, 18, and 21 is:
LCM of 12, 18 & 21 = 252
Smallest number of five digit = 10000
∴ Required number = 10000 + 80 = 10080
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