MCQ
Vanpal General Studies with Special Reference to Rajasthan MCQ - Practice Questions with Answers
Solve 75 Vanpal General Studies with Special Reference to Rajasthan questions for RAS/RPSC preparation.
Practice questions
Q1If 12 workers can plant 720 saplings in 6 days, how many saplings can 15 workers plant in 8 days at the same rate?
The original work is 720 saplings in 12 x 6 = 72 worker-days, so the rate is 10 saplings per worker-day. With 15 workers for 8 days, there are 120 worker-days. Therefore the number of saplings is 120 x 10 = 1200.
Q2A tank is filled by pipe A in 6 hours and by pipe B in 9 hours. If both pipes are opened together, how long will they take to fill the tank?
Pipe A fills 1/6 of the tank per hour and pipe B fills 1/9 per hour. Together they fill 1/6 + 1/9 = 5/18 of the tank each hour. Required time is 18/5 hours = 3.6 hours = 3 hours 36 minutes.
Q3The marked price of a pair of field shoes is Rs 1,200. A discount of 15% is allowed. What is the selling price?
A discount of 15% on Rs 1,200 is 15/100 multiplied by 1,200, equal to Rs 180. The selling price is marked price minus discount, so Rs 1,200 minus Rs 180 gives Rs 1,020. This tests direct use of percentage discount, not profit or tax.
Q4A forest guard records that 28% of the saplings in a nursery are neem. If there are 350 saplings in all, how many saplings are not neem?
Neem saplings are 28% of 350, which is 98. The remaining saplings form 100% - 28% = 72% of the total, and 72% of 350 equals 252.
Q5If 9 workers can clear a trail in 16 days, how many workers are needed to clear the same trail in 12 days, assuming the same work rate?
For a fixed job, workers and days vary inversely. The work equals 9 x 16 = 144 worker-days, so in 12 days the number of workers required is 144 / 12 = 12.
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More questions
6The roots of the quadratic equation x^2 - 11x + 30 = 0 are:
7A forest guard walks 18 km in 3 hours and then 12 km in 2 hours. What is his average speed for the whole journey?
8A train 180 m long crosses a pole in 12 seconds. What is the speed of the train in km/h?
9The perimeter of a rectangle is 50 cm. If its length is 5 cm more than its breadth, what is its area?
10A team can dig 18 inspection pits in 6 days. Working at the same rate, how many days will the team take to dig 30 such pits?
11A rectangular field is 60 m long and 45 m wide. A path of width 3 m is made all around the field inside it. What is the area of the path?
12A bag contains 5 green, 3 red and 2 blue balls. If one ball is drawn at random, what is the probability that it is red?
13A shopkeeper marks an article 25% above its cost price and then allows a discount of 12% on the marked price. What is his profit percentage?
14A rectangular plantation plot is 42 m long and 28 m wide. What will be the cost of fencing it at Rs. 35 per metre?
15A vehicle covers 144 km in 3 hours while carrying saplings. What is its average speed?