Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: 2009 · Marks: · Difficulty:
The cost of a table and a chair are in the ratio of out of her 39 coins. Now the ratio of gold coins 5 : 7. If the cost of chair and table is increased by with them is 24 : 21 : 16 respectively. How many 20% and 10% respectively, then what will be the coins did Lalita receive from her mother? new ratio? (Bank Recruitment, 2007)
(a)16 : 17 1050
(b)55 : 84 1135
(c)60 : 77 1200
(d)Data inadequate 1250
(e)None of these None of these
Answer
Answer (as printed): B
Explanation
Let the cost of the table and chair be ` 5x and ` 7x respectively. 6 42 x New cost of chair = 120% of ` 7x = ` × 7 x = ` . 5 5 11 55 x New cost of table = 110% of ` 5x = ` × 5 x = ` . 10 10 55 x 42 x \ New ratio = : = 55 : 84. 10 5
Explanation as extracted from the printed page; notation may be imperfect.