Challenger App

No.1 PSC Learning App

1M+ Downloads
The sum of three numbers is 100. The ratio of the first number to the second number is 4: 9 and the ratio of the second to the third number is 3: 4. Find the second number.

A36

B24

C30

D28

Answer:

A. 36

Read Explanation:

Let there are three numbers A, B and C, then A : B = 4 : 9 ---(1) B : C = 3 : 4 ---(2) Multiply by 3 in equation (2) A : B : C=4 : 9 : 12 Sum of three numbers are = 100 , then B = 100(9/25) = 36 So, the second number is 36.


Related Questions:

A vessel contains liquids P and Q in the ratio 5 : 3. If 16 L of the mixture is removed and replaced by same quantity of liquid Q and the ratio becomes 3:5 What is the quantity that the vessel hold ?
58 രൂപ A, B, C എന്നിവർക്ക് വീതിച്ചത് ഇപ്രകാരമാണ്. A -യ്ക്ക് B -യേക്കാൾ 7 കൂടുതലുംB -ന് C -യേക്കാൾ 6 കൂടുതലും. അവർക്ക് ലഭിച്ച തുകയുടെ അംശബന്ധം :
1/x:1/y:1/z = 2 : 3 : 5 ആയാൽ x : y : z എത്ര ആയിരിക്കും ?
Ratio of milk and water in a mixture of 50 litres is 4 : 1. 10 litres of the mixture is taken out from the mixture and then 3 litres of milk and 5 litres of water is added to it. Find the final ratio between milk and water.
When three parallel lines are cut by two transversals and the intercepts made by the first transversal are in the ratio 3 : 4, then the intercepts made by the second transversal are in the ratio: