A man covers half part of a certain distance at 45 km/hr. He covers 40 percentage of remaining distance at the speed of 8 km/hr and covers rest of the distance at the speed of 24 km/hr. What is the average speed for the entire journey? a) 164/7 km/hrb) 144/7 km/hrc) 156/7 km/hrd) 128/7 km/hr […]
The average of 25 numbers is 150. One more number is added and the new average became 160. What is that new number? a) 400b) 410c) 415d) 420 Ans : b) 410 SSC constable GD Paper 204 : Elementary Mathematics Solution : Total = average x number Total25 = 25 x150 =3750 New member is
If the cost price of an article is 5/8 of its selling price, then what is the profit percentage? a) 45 percentb) 75 percentc) 30 percentd) 60 percent Answer : d) 60 percent SSC Constable GD Paper : Elementary Mathematics Solution Let the selling price (SP) of the article be ( x ). The cost
If the cost of an article is 80 percentage of its selling price, then what is the profit percentage? a) 20 percentageb) 30 percentagec) 35 percentaged) 25 percentage Ans : SSC GD – 30/03/2024 Shift -1 Step 1: Define the variables. Step 2: Calculate the profit. Profit is the difference between the selling price and
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