SSC Constable GD

Constable GD for CPO -CPMF (CISF, BSF, ITBP, SSB ) and Delhi Police selected after Objective Questions Exam by SSC. All the details, Study Material PDF, Book, Old question papers area available for free download.

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?

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

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? Read More »

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 od cost prices of Aand B?

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

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 od cost prices of Aand B? Read More »

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?

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

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? Read More »

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 ?

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

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 ? Read More »

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.

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.

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. Read More »

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?

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

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? Read More »

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?

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

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? Read More »

There are 44 mangoes, 121 bananas and 11 apples, they have to be arranged in several rows in such a way that every row contains equal number of fruits and each row contains fruit of one type, What is the minimum number of rows?

Question: There are 44 mangoes, 121 bananas and 11 apples, they have to be arranged in several rows in such a way that every row contains equal number of fruits and each row contains fruit of one type, What is the minimum number of rows? Answer: 16 Solution: HCF of 44,11,121 is 11. each row

There are 44 mangoes, 121 bananas and 11 apples, they have to be arranged in several rows in such a way that every row contains equal number of fruits and each row contains fruit of one type, What is the minimum number of rows? Read More »

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