Question : 51 : Two pots contain equal quantity of mixture of Alcohol and water. The ratio of alcohol and water inthese pots is 2 ∶ 3 and 4 ∶ 1, respectively. Radha mixed content of the two pots together. Find theratio of Alcohol and water in new mixture.
(1) 4 : 3
(2) 2 : 3
(3) 3 : 2
(4) 3 : 4
(5) None of these
Correct answer : (3)
Question : 52 : The total population of a town is 2800 where number of males is 720 more than that of females. Ifthe number of males reduces by 40% and that of females increases by 20%, then find the newpopulation of town.
(1) 2236
(2) 2440
(3) 2304
(4) 2316
(5) 2060
Correct answer : (3)
Question : 53 : The speed of a boat with the stream is 10 km/hr and while returning its speed becomes 6 km/hr.Find the speed of boat in still water and the speed of stream.
(1) 8 km/hr and 2 km/hr
(2) 7 km/hr and 3 km/hr
(3) 6 km/hr and 2 km/hr
(4) 9 km/hr and 1 km/hr
(5) None of these
Correct answer : (1)
Question : 54 : Sanju, Suraj and Sanjay can complete a work in 12 days, 16 days and 24 days respectively. In howmany days will the three of them to do the same work together?
(1) 16/3 days
(2) 58/9 days
(3) 6 days
(4) 8 days
(5) None of these
Correct answer : (1)
Question : 55 : The length of two trains are 130 m and 150 m are running at the speed of 52 km/hr and 74 km/hr,respectively on parallel tracks in opposite direction. In how many seconds will they cross eachother?
(1) 5
(2) 8
(3) 10
(5) 12
Correct answer : (2)
Question : 56 : After 5 years, the ratio between ages of A and B will be 5 : 8 and after 8 years, the sum of ages willbe 71 years. Find the present age of B.
(1) 33 years
(2) 32 years
(3) 28 years
(4) 40 years
(5) 35 years
Correct answer : (5)
Question : 57 : Raj sells a cricket bat of marked price Rs. 500 at a discount of 10% and gives a ball costing Rs. 10free with each bat. Still, he makes a profit of 25%, the cost price of the bat is –
(1) Rs. 410
(2) Rs. 458
(3) Rs. 352
(4) Rs. 450
(5) Rs. 420
Correct answer : (3)
Question : 58 : The sum of the radius and height of a cylinder is 19 m. The total surface area of the cylinder is 1,672m2. What is the volume of the cylinder?
(1) 3080 m3
(2) 2940 m3
(3) 3420 m3
(4) 2860 m3
(5) None of these
Correct answer : (1)
Question : 59 : P is 10500, SI is 12% and T is 10 years. 1/3rd of interest earned from A invested in B for 5 years.Find the amount received from B after 5 years.
(1) 7240
(2) 5480
(3) 6720
(4) 2520
(5) 6250
Correct answer : (3)
Question : 60 : A, B and C started a business each investing 10000 Rs. Initially. After 6 months, C withdraws Rs.2000, A invests 2000 more and B invests 6000 more. At the end of year total profit was 50490 Rs.Find the share of B?
(1) Rs. 19890
(2) Rs. 28500
(3) Rs. 24200
(4) Rs. 21570
(5) Rs. 20560
Correct answer : (1)
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