SSC Constable GD

Question: Two trains are running in opposite direction with the same speed. If the length of each train is 320 meters and they cross each other in 18 seconds, then what is the speed of each train? Answer: 1. 64 km/hr Solution:Total distance covered by train =320 meterstotal time taken= 18 secondspeed of train(m/s)=640/18speed of […]

Question: Selling price of an article is Rs. 5175 and discount of 25 percent is offered. What is the marked price of the article? Answer: 2. Rs 6900 Solution: The equation for the following is marked price be m.m-0.25m=51750.75m=5175M=Rs 6900

Question: Rs. 7200 is divided among P,Q and R in the ratio of 1/2:4:3/2 respectively. What is the share of R? Answer: 1. Rs 1800 Solution: adding all the ratio 0.5+4+1.5=66x=7200x=1200R ration=1.5 x =1.5 x(1200)=1800Rs 1800

Question: In an exam, out of total number of appeared students 93 percent student passed and 9275 students failed. What is the total number of students appeared in the exam? Answer: 4. 132500 Solution: 7 percent of student are 92757x=9275x=1325then 100 percentage student=100x=132500

Question: A sum of money placed at compound interest (compounding annually) doubles itself in 10 years. find the time in which it will amount to 4 times itself. Answer: 20 years Solution:Time is directly proportional to amount.As amount is doubled in 10 years so amount will 4 times in next 10 years.

Question: In one year, the average monthly expenditure of Sapna was Rs. 1100 for the first 3 months of the year. Rs. 1000 for the next 5 months and Rs.1200 for the last 4 months. If the total annual saving was Rs. 1300, then what was sapna average monthly income ? Answer: 1. Rs 1200