SSC CGL 20201)Hemant buys a dozen eggs for ₹ 5.50 per egg. While carrying them, two eggs get wasted when they fall down and get damaged. He sells the balance eggs at 7.70 per egg. Find the net profit earned by him in the overall deal.
Rs. 11.00
cost price of 12 eggs = 5.50 x 12 = Rs. 66; Remaining eggs = 12-2 = 10; selling price of 10 eggs = 10 x 7.7 = Rs. 77; Profit = SP-CP = 77-66 = Rs. 11
SSC CGL 20202)Among 160 players in a tournament, 57 did not participate in any of the three games,i.e. Cricket, Hockey and Badminton. A total of 37 players participated in only one game,10 players participated in both Cricket and Hockey but not in Badminton, 9 players participated in both Hockey and Badminton but not in Cricket, and 13 players participated in both Cricket and Badminton but not in Hockey. How many students participated in all the three games?
34
Total students participate = 160 - 57 = 103;
Participant in 1 game = 37;
Players participated in both Cricket and Hockey but not in Badminton = 10;
Players participated in both Hockey and Badminton but not in Cricket = 9;
Players participated in both Cricket and Badminton but not in Hockey = 13;
Students participated in all the three games = 103 - 37 - 100 - 9 - 13 = 34
SSC CGL 20203)In a certain a group of men and horses, the total number of legs is 14 more than twice the number of heads. How many horses are there in the group?
7
The total number of legs is 14 more than twice the number of heads.
A horse have 2 more legs than man so,
Number of horse = 14/2 = 7
SSC CGL 20204)Vineet, Rajesh and Kriti have different amounts of money with them. Rajesh has just double the amount of money than Vineet. The total amount of money that Rajesh and Kriti have is Rs. 147. Kriti has Rs. 6 more than the amount Vineet has. How much money does Kriti have ?
Rs. 53
Amount of Rajesh = 2 x amount of Vineet;
Amount of Kriti = 6 + amount of Vineet ---(1)
Total amount of Rajesh and Kriti = 147;
Amount of Rajesh + amount of Kriti = 147;
2 x amount of Vineet + 6 + amount of Vineet = 147;
Amount of Vineet = 141/3 = 47;
From eq (1),
Amount of Kriti = 6 + 47 = Rs. 53
SSC CGL 20205)Shaan has a total of Rs. 5,500 with him. He buys product ‘Z’ at Rs. 5,000 from this sum and then sells it to another person, thus making a profit of 15% on it. With all the money he has now, he buys product ‘X’ and then sells it to another person making a profit of 25% on it. What is the total money Shaan has now?
Rs. 7,812.50
Cost price of product 'Z' = 5000; Profit = 15% ;
Selling price = \(5000\times{115\over100}=5750\) ;
Cost price of product 'X' = 5750 + 500 = 6250 ;
Profit = 25% ;
Selling price = \(6250\times{125\over100} = 7812.5\)