Question 1
If \(M : N = 4 : 5,\) \(N : O = 6 : 7,\) and \(O : P = 9 : 11,\) then find N : P.
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If \(M : N = 4 : 5,\) \(N : O = 6 : 7,\) and \(O : P = 9 : 11,\) then find N : P.
What is the result of \(2\frac{1}{4} \div 0.5\)?
What should be subtracted from 10, 12, 13, 16 so that the remaining numbers may be proportional?
If 45% of a number is 0.9 more than 30% of it, what is the number?
Sohan started a business with ₹90,000. After 5 months, Rohan joined with ₹1,50,000. After another 3 months, Sohan withdrew ₹30,000. What is the ratio of their profits at the end of the year?
Two individuals, A and B, rent a pasture together. A has 18 horses that they graze for 4 months. B grazes 24 cows for 6 months and 36 sheep for 4 months.
The following relationships are given:
- 3 horses are equivalent to 6 cows,
- 4 cows are equivalent to 8 sheep.
What amount of rent should A pay ?
X, Y, and Z started a business with capitals in the ratio \(2 : 3 : 5.\) After 3 months, Z withdrew 40% of his capital. After another 3 months, Y withdrew half of his capital. The business continued for a total of 18 months. If total profit is ₹3,24,000, find the ratio of profit shares of X : Y : Z.
The average age of 40 students in a class is 16 years. When a new student is admitted, the average increases by 0.2 years. What is the age of the new student?
The monthly average salary for 8 employees plus one supervisor is ₹15,000. If the supervisor earns ₹25,000, what is the average salary of the 8 employees?
A company has 80 employees, of whom 35 % are women. The average monthly salary of the women is ₹72,000, while that of the men is ₹68,000. What is the overall average monthly salary (in ₹ 000) of the whole workforce?