Q1. Manoj bought a laptop at 25% less than it’s original cost. If he sold it at 20% profit on it’s original cost, then find his actual profit percent in this process.
(a) 45%
(b) 50%
(c) 30%
(d) 60%
(e) 40%
Q2. In a container there is 100 lit pure sulphuric acid. First 30 lit of sulphuric acid is completely replaced with water. Now again 40 lit of mixture is completely replaced with water. Find ratio of water to sulphuric acid in final mixture.
(a) 21:25
(b) 21:29
(c) 29:25
(d) 29:21
(e) 25:21
Q3. Mohit started a business with investment of Rs. 12000. After 4 months Vikash entered into business with some amount and after next four months Vikash increased his investment and make it equal to Mohit’s investment. At the end of year profit ratio of Mohit to Vikash was 9:5. Find how much money Vikash increased in his initial investment.
(a) Rs. 8000
(b) Rs. 4000
(c) Rs. 12000
(d) Rs. 9000
(e) Rs. 10000
Q4. What is the ratio of Perimeter of semicircle to perimeter of circle if both have radius of 7 cm.
(a) 1:1
(b) 1:2
(c) π + 1:7
(d) 7 : π + 1
(e) 9 : 1
Q5. A tap can fill a tank in 12 hrs but due to an outlet it takes 3 hr more to fill the tank. Find in how many hours outlet can empty the tank.
(a) 30 hr
(b) 40 hr
(c) 60 hr
(d) 45 hr
(e) None of these.
Solutions
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