Question
The average of four consecutive odd numbers is 47. What
is the largest of these numbers?Solution
Let the four consecutive odd numbers be x, x + 2, x + 4, x + 6. Their average is (x + x + 2 + x + 4 + x + 6)/4 = 47. Simplify: (4x + 12)/4 = 47. 4x + 12 = 188. 4x = 176. x = 44. The largest number = x + 6 = 44 + 6 = 50. Correct Option: c
The salary of A is 40% more than B, and the bonus of C is 150 more than the difference of the salaries of A and B. If C receives a bonus of 270, find A'...
Income of 'A' is Rs. 1,800 more than that of 'B'. Both spend 25% of their respective incomes. If the savings of 'C' is 18.75% of his income and is equa...
- The population of a city grows by 12% annually. If the population after 2 years will be 31,360, what is the present population?
Out of the total income of Ravi, he spends 50% on food, 10% on rent and 20% on groceries. Out of the remaining income, he donates 30% in a charity and s...
Anju spends 16% of her monthly income on rent, 22% of it on groceries, 14% of it on children's education and 50% of the remaining on other items. If ₹...
A person paid his rent in advance and was supposed to get a 25% discount, but got only 22% and ended up paying Rs. 30 more. Calculate the actual rent am...
- In a town, 30% of the population is ineligible to vote. Among those eligible, 50% are women. If 2/5 of eligible men and 1/5 of eligible women voted, find t...
A and B together have total of Rs.5600 out of which they donated 10% to the orphanage school. The remaining amount is to be then redistributed between t...
The respective ratio of monthly income of A to monthly income of B is 9:10, and A’s saving is (100/11)% more than B’s saving. Find the savings of A,...
There are two types of boxes small and large. Identical sweets are sold in these two types of boxes and selling price of larger box is 50% more than sel...
Relevant for Exams:
