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 : Radius of sphere is increased by 50 percent. What will be the percentage increase in its volume?प्रश्न: एक गोले की त्रिज्या 50 प्रतिशत बढ़ जाती है। इसकी आयतन मात्रा में कितने प्रतिशत की वृद्धि होगी? Answer: 3. 237.5 percent Solution:Volume = $ \frac 43 \pi r^3$r = Radius From above formula : volume […]
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
Five friends Alex, Ben, Chris, David, and Emma are sitting around a circular table facing the center. Alex sits to the immediate right of Ben. Alex is not sitting next to Chris or David. David is to the immediately right of Emma. Who is sitting to the immediately right of Chris ? a) Emmab) Alexc)
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 »
Evaluate: {(175×72/24+5)x20}/2 1. 58002. 43003. 53004. 4850 Answer: 3. 5300 Solution: Applying BODMAS RULE {(175×72/24+5)x20}/2{(175×3+5)x20}/2{(525+5)x20}/2{(530)x20}/2{10600}/25300
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
The ages of 7 men in a cricket team are 26,25,21,29,24,28 and 22. What is their average age? Answer: 3. 25 Solution:average= $ \frac{total}{count of objects} $=$ \frac{26+25+21+29+24+28+22}{7} $=25
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
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
Question: Find the value of (7+33)x(44/2)x(5×5). Answer: 2. 22000 Solution: (7+33)x(44/2)x(5×5)According to BODMAS rule(40)x(22)x(25)22000