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Start learning 50% faster. Sign in nowThe use of synthetic pyrethroids, which are insecticides commonly used for pest control, has been associated with serious outbreaks of the mango mealy bug (Drosicha mangiferae).
A student multiplied a number by 8/5 instead of 5/8. What is the percentage error in the calculation?
Ajay purchases an item for Rs. 1600 and incurs additional costs of 20% for maintenance and 30% for transportation. Calculate the selling price he should...
Monthly income of A is Rs. 12000 and he saves 44% of his monthly income. If monthly expenditure of A is decreased by 35% while his monthly savings is in...
A plane can travel 36 km against the wind and 80 km with the wind in 4 hours. How much percent is the speed of the plane against the wind less than the ...
A gave 40% of amount to B. B gave 15% of amount received from A to C. If amount received by C from B is Rs.120, then find the amount received by B from A.
Rahul was employed by a company in 2021 with a starting net salary of Rs. 25,000. By 2024, his gross salary had risen to Rs. 63,000. Assuming his net sa...
The population of the town is 270,000 4/9th of them are males and the rest are females. 50% males and 40% females are married. Find the unmarried popula...
After decreases in petrol prices by 20%, a person is able to buy 3 litre more petrol for Rs. 540. Find the original and increased price of petrol per li...
Meenu spent 30% of the salary on entertainment and 10% on makeup. She spent 10% of the remaining on the food and 50% of the remaining invested in mutual...
Out of 1200 people in a city, 40% speak Mandarin and the rest speak Cantonese. If out of non-Mandarin speakers, 35% are males and out of Mandarin speake...