Question
Among nine consecutive even numbers, the smallest is 12.5%
less than the largest. Calculate the sum of the second smallest and the second largest values.Solution
ATQ,
Let the consecutive even numbers be: x, x + 2, x + 4, x + 6, x + 8, x + 10, x + 12, x + 14, x + 16.
According to question: x = 0.875 × (x + 16)
0.125x = 14
x = 112
So the desired sum = 112 + 2 + 112 + 14 = 240
A stone worth Rs.3800 drops and breaks with weight in the ratio 2:3:5. The price of stone is directly proportional to square of its weight. Find the tot...
In a class of 236 students, 136 are girls and remaining are boys. Among boys, the ratio of number of boys who are wearing caps to those who are not wear...
If x runs are second by Rohit, y runs by Shreyas and z runs by Virat, then x : y = y : z = 5:3. If total number of runs scored by Rohit, Shreyas and Vir...
Rs.1581 is divided among A, B and C in the ratio 10 : 15 : 6. What is the share of B?
In an office, the ratio of the number of males to number of females is 9:4. If 2 males joined the class and 8 females left the class, then the ratio of ...
- A total of Rs. ‘K’ was to be distributed among X, Y, and Z in ratio of 6:5:7 respectively but due to some reason the money was falsely distributed in r...
- In a company, 60% of the number of girls is equal to two - third of the total number of boys. When 40 new girls joined the company, then 25% of the number ...
If A : B = 9:7 and A is 10 more than B then find the sum of A and B.
‘P’ had four Rs. 500 notes and a certain number of Rs. 50 notes with him while ‘Q’ had eleven Rs. 200 notes and one Rs. 500 note with him. Later...
Find the fourth proportion of (k + 2), (2k), and (3k + 6). (Note: 'k' is the smallest two-digit prime number.)
