EASY
UPSC CDS
IMPORTANT
Earn 100

Three taps A, B and C can fill a tank in 10, 15 and 20 hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be filled in

50% studentsanswered this correctly

Important Questions on Ratio and Proportion

EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 3
A, B, C subscribe together Rs. 50,000 for a business. A subscribes Rs. 4,000 more than B and B Rs. 5,000 more than C.If the total profit is Rs. 35,000 then A receives________.
EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 11
If 12 men and 16 boys  can do a piece of work in 5 days, 13 men and 24 boys can do it in 4 days, then the ratio of the daily work done by a man to that of a boy is
MEDIUM
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 12
A can do 34th part of a work in 18 days. B can do 23rd part of the same work in 12 days and C can do 60% of the same work in 24 days. If A, B and C do the work alone for 4 days, 6 days and 8 days, respectively. What percent of work is remaining?
EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 2
A water tank is filled by tubes A and B in 5 min and 6 min respectively, while tap C can empty it in 8 min. If all the taps are opened simultaneously, then how much time will it take to fill the 34 part of the trank?
EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 3
Heena and Yumi started a business with capitals Rs.25000 and Rs.35000. After few months Sadas joined them with a capital of Rs.30000. If the share of Sadas in the annual profit of Rs.60000 is Rs.15000, then after how many months from beginning side the join?
EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 4
A pipe of diameter \('d'\) can drain a certain water tank in \(40\) minutes. The time taken by a pipe of diameter \('2d'\) for doing the same job is:
HARD
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 5
Abhay, Bhushan and Chetan invested ₹530000 in a business as partners. Profit received by Abhay, Bhushan and Chetan is ₹ 17940, ₹ 8280 and ₹ 10350 respectively at the end of 1 year. Find the amount each invested in the business initially:
EASY
UPSC CDS
IMPORTANT
Mathematics Express>Chapter 9 - Ratio and Proportion>Exercise 1>Q 6
N invested ₹20,000 in a business. Six months later, C joined him with ₹10,000. At the end of the year, the profit was ₹10,000. What should be the share of N?