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The correct answer is D
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 ...
The difference between the value of the number increased by 10% and the value of the number decreased by 20% is 72. Find the number.
A book is listed at Rs. 2,400 and the discount offered is 10%. What additional discount must be given to bring the net selling price Rs. 1,800?
The population of a village two years ago was 'X'. Over the next two years, the population increased by 30% in the first year and...
If X = 75% of Y and Y = 125% of Z, then find the ratio of X to that of Z.
In a school with 800 students, the average of the age of the boys is 16 years and that of the girls is 12 years. If the average age of the school is 14 ...
From the salary of a software engineer, if 15% is used as house rent, 25% of the remaining is spent on household items, 25% of the remaining as income t...
In 2021, Ravi's income was Rs. 18,000, out of which he spent 35% and saved the rest. In 2022, if Ravi's income increased by 15% a...
In how many months will Rs 8,000 yield Rs 2,648 as compound interest at 20% per annum compounded semi-annually?
A person spends 25% of his income on rent, 20% on food, 15% on transportation, and 10% on education. Additionally, he donates ₹3,000 and still manages...