Direction (1–2) : Veer divided his monthly income in three expenses i.e. accommodation , food and travel in the ratio of 5 : 7 : 4 respectively. Out of the expenses estimated for accommodation, he spent 20% on rent, 45% of remaining on electricity and water and remaining he saved. Out of total expenses estimated for food, only 20% was saved. Out of amount estimated for travelling 37.5 % spent on travel by metro and 20% of remaining he spent on travelling by car and rest was saved. Total saving of Veer was Rs. 16800.
Q1. A man sold an article at an amount which is equal to total of Veer spent on travelling by car and electricity & water and made a loss of 25%. Find at what price man should sold the article in order to make a profit of 12½%?
(a) 10250 Rs.
(b) 10150 Rs.
(c) 10450 Rs.
(d) 10350 Rs.
(e) 10000 Rs.
Q2. A man purchased an AC from an electronic store at an amount which is equal to total of Veer spent on rent, food & travel by metro. If store allowed two successive discounts of 4% & ‘10’%, then find the marked price of AC?
(a) Rs. 28125
(b) Rs. 28225
(c) Rs. 28325
(d) Rs. 28425
(e) Rs. 28625
Directions (4-5): Two taps ‘A’ and ‘B’, drops two types of chemical x and y respectively. In every drop they drop 1 ml chemical. By the reaction of ‘x’ and ‘y’ in a proportion of 5 : 3, a chemical formed z. If ratio of x and y become 10 : 7 then a poisonous chemical formed.
Q5. If 2.5 liter of chemical ‘x’ already present in jar, then what will be the speed of tap A and tap B to make perfectly chemical z in 5 minutes of 6 liter.
(a) 0.25 & 0.45 liter/min
(b) 0.2 & 0.4 liter/min
(c) 0.5 & 0.3 liter/min
(d) 0.75 & 0.45 liter/min
(e) 0.1 & 0.2 liter/min
Solutions