Question
If the successive discounts of 7%, 20%, and p% are
equivalent to a single discount of 40.56%, what is the value of p?Solution
1-(1-0.07) (1-0.20) (1-p/100) = 0.4056 (1-0.93) Γ 0.80 Γ (1-p/100) = 0.4056 0.744 Γ (1- p /100) = 0.5944 1 β p/100 = 0.5944 /0.744 1 β p/100 = 0.7995 p/100 = 0.2005 p = 20.05 ~ 20 =20%
The ratio of incomes of A and B is 5 : 7. Each of them saves Rs 600 per month. The ratio of their expenditures is 3 : 5. What is B's monthly income?
Among 132 examinees of a certain school, the ratio of successful to unsuccessful students is 9 : 2, Had 4 more students passed, then the ratio of succes...
If the ratio of income of Aman and Rahul is 5:4 and the ratio of their expenses is 3:2 and each saved Rs 1600 then find the income of Aman.
A factory manufactures three types of products: X, Y, and Z. The average production rates are 50Β units per hour for product X, 80 units per hour for p...
A company has 600 male employees and 400 female employees. When (x + 50) males and 2x females are recruited, the ratio becomes 7:5. Find the value of οΏ½...
If A:B = 4:5 and C:B = 3:4, then determine the value of (A:B:C) .
A boy is supposed to distribute Rs.4400 among his three friends P, Q and R in the ratio of 4:2:5 respectively, but mistakenly he distributed in the rati...
- In a park, the ratio of adults to children is 7:5. If the number of adults was decreased by 21 and children increased by 14, then their numbers become equa...
- A total amount of βΉ24,750 is divided among βMβ, βNβ, βOβ, and βPβ in the ratio of 4:7:5:6. What is the share of βNβ?
Relevant for Exams:
