In a mixture, milk and water are in ratio of 2:3. Some milk is added to the mixture because of which ratio of milk and water become 10:3. How much milk was added as a percentage of initial mixture ? a) 160 percentageb) 140 percentagec) 100 percentaged) 120 percentage Ans : a) 160 percentage SSC […]
On selling a book at 5/12 of the marked price, there is a loss of 50 percentage. What will be the ratio of marked price and cost price of the book? a) 2 : 5b) 6 : 5c) 5 : 6d) 3 : 8 Ans : b) 6 : 5 SSC Constable GD 21 Feb
The length of the side of a cube is 14 cm. What is the lateral surface area of the cube ? a) 856 cm2b) 624 cm2c) 784 cm2d) 512 cm2 Ans : c) 784 cm2 SSC Constable GD Exam 2024 – 21 Feb (2nd shift) Solution : To find the lateral surface area of a
From point P, X walks at a speed of 12 Km/hr and 6 hours after his start, Y also starts walking from same point P on his cycle after him at the speed of 16 km/hr. How far from the starting point P will Y catch X? a) 224 kmb) 288 kmc) 256 kmd) 324
Question: If the cost price of 6 pens is the same as the selling price of 5 pens, find the profit/loss percentage. Answer: 1. 20% profit Solution: cost price be c. selling price be s.6c=5sprofit = (6c/5 – c)/100=20 percent profit
Question: The marked price of an article is 60 percent more than its cost price. If 20 percent discount is given, then what will be the profit percentage? Answer: 1. 28 percent Solution: marked price= 1.6 times cost pricem=1.6 cs(selling price)= m-m(0.2)s=0.8 m = 0.8(1.6)cprofit = (s-c)/c=0.28percentage 28 percent
The marked price of a chair is 10 percent more than its cost price. If the chair is sold for Rs 132 after a discount of Rs 11, then what will be the profit percentage? a) 1.53 percentb) 1.78 percentc) 2 percentd) 1.21 percent Ans : a) 1.53 percent SSC Constable GD Paper 21 Feb
Question: A student scores 75% in a test and gets 30 marks more than another student who secured 60%. What is the maximum marks in the test? Answer: 200 Solution: x is total marks . Then equation becomes0.75x=0.6x +300.15 x=30x=200
Question: Both A and B sells their watch at the rate of Rs. 5000 per watch. A earned a profit of 25 percent while B incurred a loss of 10 percent. What is the ratio of cost prices of A and B? Answer: 2. 18:25 Solution:Creating equations 25 percent profit at a sell of 5000c.p
Question: If the length of a rectangle is increased by 14.28 percent, then by how much percentage its breadth should be reduced to keep the area same? Answer: 2. 12.5 percent Solutions:Area of rectangle be x. length be y. breadth be z. new breadth be z1.then x=yzx=(1.1428y)(z1)=yzz1=1/1.1428=0.875z1-1=0.125percentage= 12.5