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.
Question: 25 percent of 20 percent of a number is equal to 250. What is the 35 percent of that number? Answer: 1750 Solution: 25 percent of 20 percent of a number x = 2500.25(0.2)x=25035 percent of the number =0.35×0.35x= (250x4x5x35)/100=5x2x5x35=1750
Question: Selling price of a table is Rs. 6875. If profit percentage is 25 percent, then what is the cost price of table? Answer: 2. Rs. 5500 Solution: s= Rs. 6875 cost price be cc+0.25c=1.25c=s=6875c= Rs. 5500
Question: If 72 binders can bind 720 books in 22 days, how many binders will be required to bind 660 books in 12 days? Answer: 3. 121 Solution:workdone for 1 book= (binders x days) / n.o of books=( 22 x72)/720workdone for 660 books in 12 days for (1 book work)= (binders x 12) /660(binders x
Paramount Reasoning Book PDF for free download for preparation of SSC CGL, CHSL, CPO, SSC GD Competitive exams. पैरामाउंट तर्क शक्ति Volume 1 & 2 एसएससी की परीक्षा की तैयारी के लिए है l This book includes questions from the previous year exam question paper, Contents of this book Paramount Reasoning book contains following topics
Paramount Reasoning Book PDF Free Download Read More »
Question: The simple interest received on a sum for 40 years is 2/5 of the sum. what is the annual rate of interest? Answer: 3. 1 percent Solution:formula S.I= PXRXT/(100)2/5X = X(R)(40)/(100)R= 1 percent
Quesion: After working for 8 days. Rakhi finds that only 10 percent of the work is completed. She employs Poonam who is 20 percent more efficient than Rakhi. How many more days will they together take to complete the remaining work? Answer: 4. 360/11 days Solution: Total work =wRakhi speed to complete work xpoonam speed
Question: If M:N=9:6, then what is the value of (M+N):(M-N)? Answer: 3. 5:1 Solution: (M+N):(M-N)Dividing it by N on denominator as well as numeratorM/N=x=9:6=3:2(M+N):(M-N)=(x+1)/(x-1)=2.5/.5=55:1
If M:N=9:6, then what is the value of (M+N):(M-N)? Read More »
Question: Marked price of a chair is Rs. 2000. After giving two successive discounts of 20 percent and x percent, the chair is sold for Rs. 1400. What is the value of x? Answer: 12.5 percent Solutions: bulding equation selling price after 1 st dsicount 2000-0.2(2000)=1600building equation after x discount1600-(0.01)x1600=1400200=0.01(x) 16001/8=12.5 percent
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
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