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According to Newton’s Second Law of motion, the rate of change of momentum of an object is directly proportional to the resultant force applied and is in the direction of the resultant force.
Tim spends 22% of his monthly income in travelling. He spends 25% of his monthly income on household expenses and spends 36% of his monthly income on fa...
Raj's income is Rs. 25,000, which is 20% lower than Ram's income. Ram saves a certain amount and spends Rs. 1,750 more than what he saves. We need to d...
The population of a village increase at the rate of 10% during the first year and decreases at the rate of 20% during the second year. If it has 20240 i...
In 2020, Maran earned Rs. 16,500, spending 40% of it and saving the remainder. The following year, his earnings increased by 20%, and his expenditures a...
A certain number of students from school X appeared in an examination and 30% students failed. 150% more students than those from school X. appeared in ...
From her overall earnings, Veena allocates Rs. 8000 to SIP. From the remaining salary, she allocates 10% to vegetables and 7.5% to transportation, which...
Raj has 120 kg of apples (rotten and fresh). He sold 30% of the total apples such that out of the remaining apples, 20% are rotten. Find the percentage ...
In a school, 850 students are taking a test. The ratio of boys to girls is 9:8, and the test fee for each girl is 30% less than that for a boy. If the t...
A man spent 30% of his income in May. If his savings is increased by 30% in June and becomes Rs. 9100, then find the income of man in May.
A girl spent 30% of her monthly income on clothing. Of the remaining, she spent on travel and food in the ratio of 4:3. If the difference of the income ...