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Let side of a square be 100. Now, area of a square = 1002 = 10000 If we increase the side of a square by 40%, we get Side = 140% of 100 = 140 New area of square = 1402 = 19600 Difference in Areas = 19600 - 10000 = 9600 Percentage increase = (9600/10000) x 100 = 96% Alternate Method: Successive Increase = 40 + 40 + (40 × 40/100) = 96%
In what ratio rice at 34 Rs/kg should be mixed with the rice at 27 Rs/kg so that selling mixture at Rs 39 per kg gives the profit of 30% if the quantity...
A man sold one shirt and one t-shirt for Rs. 4000 on shirt he gained 21% and he lost 14% on t-shirt. If overall profit is 7%, then cost price of t-shirt is
One type of liquid contains 15% of benzene, the other contains 20% of benzene. A can is filled with 6 parts of the first liquid and 4 parts of the secon...
‘D’ and ‘E’ can complete a project in 40 days, while ‘E’ and ‘F’ can complete it in 60 days. ‘D’ and ‘E’ worked together on it f...
The Jar contains only 8 litres of milk and the rest is water. A new mixture in which concentration of milk is 30%, is to be formed by replacing the Jar ...
Cost of two types of pulses is Rs.11 and Rs, 16 per kg, respectively. If both the pulses are mixed together in the ratio 2:3, then what should be the pr...
(141.95 – 112.06) × (45.21 – 38.99) = ?
Neha spends 80% of her monthly income. Next month, her income increased by 20% while her expenditure increased by 15%. Due to this, her monthly savings ...
A shopkeeper has 60 kg rice a part of it, he sells at the profit of 30% and rest at loss of 10% and he get the loss of 8% so what is the quantity sold a...
