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
The ratio of two number is 3 : 5. If their product is 3375, then what is the sum of both the numbers? a) 75b) 120c) 90d) 135 Ans : 120 SSC Constable GD paper : Elementary Mathematics Solution : The ratio of two number is 3 : 5Number are 3x and 5x Product of
Weight of A1 is six times of A2 and A2’s weight is 50 percent more than that of A3. If the average weight of all three is 299 kgs, then what is the weight of A1? a) 1544 kgb) 979 kgc) 897 kgd) 702 kg Ans : d) 702 kg SSC Constable GD Paper :
Two trains are moving in the same direction at the speed of 34 Km/hr and 86 Km/hr, there lengths are 300 meters and 480 meters respectively. What will be the time taken by faster train to cross the slower train? a) 36 secondb) 54 second c) 60 secondsd) 48 seconds Ans : b) 54 second
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