Question: Swapnil can build a sofa in 16 days. Working together with Revathi he can finish the work in 129/17 days. Find the number of days taken by Revathi to complete the work if she works alone. Answer: 4. 128/9 days Solution:building a sofa workdone = wSwapnil can do in 16 days = w=16ss=speed of […]
Question: Rs. 9000 is lent at the rate of 80 percent per annum on compound interest (compounded half yearly). what will be the compound interest of 12 months? Answer: Rs. 8640 Solution:interest= PXRXT/100Compound interest be x(9000(0.5)(0.8)+ 9000(1+0.5(0.8))(0.8)(0.5))/1003600+5040Rs 8640
Question: The product of two numbers is 720 and their Highest common factor is 4. What is the Least common multiplier of these numbers? Answer: 3. 180 Solution: product of two numbers= HCF X LCM720= 4 LCMLCM= 180
Question: IF 45 percent of X is equal to 15 percent of Y, then what is the value of X:Y? Answer: 4. 1:3 Solution: 0.45x=0.15y3x=yx:y=1:3
IF 45 percent of X is equal to 15 percent of Y, then what is the value of X:Y? Read More »
Question : Rohit buys an old bat for Rs 2320 and spends Rs 180 on its repairing. If he sells it for Rs. 2400 , then what is the loss Answer: 4 is the correct answer Solution : Total money spend on the bat by Rohit (cost price)= Rs 2320+180 = Rs 2500Total loss occur=
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
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