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Описание: CA Foundation Chapter - 2 : EQUATIONS (Exercise E, Chapter 2 - ICAI Study material)

This video explains the solution of all the problems of Exercise E of Equations (Chapter 2 in CA Foundation Quantitative Aptitude study material book provided by ICAI).

Click the time stamp to jump to the required question's solution, or watch it all :-

00:00 Intro
00:01 Question 1 - Monthly incomes of two persons are in the ratio 4 : 5 and their monthly expenses are in the ratio 7 : 9. If each saves Rs. 50 per month, what are their monthly incomes ?
02:24 Question 2 - Find the fraction which is equal to 1/2 when both its numerator and denominator are increased by 2. It is also equal to 3/4 when both are increased by 12 ?
04:06 Question 3 - The age of a person is twice the sum of the ages of his two sons and five years ago his was thrice the sum of their ages. What is his present age ?
06:27 Question 4 - A number between 10 and 100 is five times the sum of its digits. If 9 be added to it the digits are reversed. What is the number ?
08:55 Question 5 - The wages of 8 men and 6 boys amount to Rs. 33. If 4 men earn Rs. 4.5 more than 5 boys, what are the wages of each man and boy ?
11:08 Question 6 - A number consisting of two digits is four times the sum of its digits and if 27 be added to it, the digits are reversed ? What is the number ?
13:23 Question 7 - Of two numbers, 1/5th of the greater is equal to 1/3rd of the smaller and their sum is 16. What are the numbers ?
14:51 Question 8 - y is older than x by 7 years and 15 years back x's age was 3/4 of y's age . What are their present ages ?
16:52 Question 9 - The sum of the digits in a three digit number is 12. If the digits are reversed the number is increased by 495; but reversing only the ten's and units digits, increases the number 36. What is the number ?
21:00 Question 10 - Two numbers are such that twice the greater number exceeds twice the smaller one by 18 and 1/3rd of the smaller and 1/5th of the greater number are together 21. What are the numbers ?
23:31 Question 11 - The demand and supply equations for a certain commodity are 4q + 7p = 17 and p = q/3 + 7/4 respectively where p is the market price and q is the quantity. What are the equilibrium price and quantity ?

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