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A dishonest shopkeeper promises to sell his goods at cost price. However, he uses a weight that actually weighs 49% less than what is written on it. Find his profit percentage.
The average weight of a family of five members (in kg) whose weights are 40 kg, 49 kg, 56 kg, 66 kg and 37 kg is:
A man covers the first half of the journey at the speed of 60 km/h and the remaining at the speed of 84 km/h. What is his average speed (in km/h)?
Find the simple interest (in ₹) on ₹3500 as a sum borrowed at 3% per year rate of interest for 2 years.
A water well has height h meters and diameter 21 m. The cost of plastering the well is ₹1,36,125 at the rate of ₹275/m?, then find the height of the well. (∏=22/7)
A person has to cover a distance of 8 km in 1 hour. If he covers one-fourth of the distance in one-third of the total time, then what should his speed (in km/h) be to cover the remaining distance in the remaining time so that the person reaches the destination exactly on time?
A closed cylindrical tank of height 280 cm and base radius 70 cm is to be made from a metal sheet. The required sheet for the same, in m², is:

The below table shows the population of men and women (in ratio) for five cities. Study the below table carefully and answer the question that follows.

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What is the difference between the total number of men of Mumbai and Pune together and number of women in Jabalpur and Bangalore together ?

2 kg of copper at ₹15 per kg is mixed with 3 kg of zinc at ₹20 per kg. Find the average price of the mixture.
Find the greatest number that exactly divides 12, 24 and 40.
How many kilograms of tea, costing ₹250 per kg must be mixed with 25 kg of tea costing ₹400 per kg so that there may be a profit of 10% on selling the mixture at ₹330 per kg?
In view of Diwali, Rajnee, an electronics shop owner, offers a discount scheme to her customers that on buying 15 decorative bulbs, they get 5 decorative bulbs free. What is the effective percentage discount given by Rajnee to her customers?