1. The ratio of the radius of a circle and length of a rectangular field is 2 : 7. If the perimeter of circle and that of the rectangular field be 176 m and 322 m respectively, what is the width of the rectangular field? (2)
- (1) 85 m
- (2) 63 m
- (3) 58 m
- (4) 77 m
- (5) None of these
2. Two pipes A and B can fill a tank in 20 hours and 25 hours respectively and a third pipe C can empty the tank in 50 hours. All of three pipes opened together and after sometimes pipe C is closed. If total time to fill the tank from beginning is 13 hours, find after how much time pipe C was closed? (3)
- (1) 11 hrs
- (2) 9 hrs
- (3) 8.5 hrs
- (4) 7.5 hrs
- (5) None of these
3. What is the probability of selecting 2 black balls from a basket containing 5 black and 4 red balls? (1)
- (1) 5/18
- (2) 7/18
- (3) 13/18
- (4) 5/36
- (5) None of these
4. A person sold a chair and a table each in an amount of Rs.15000. At table he got a profit of 20% and at chair he lost 25%. Find how much was his total profit or loss? (4)
- (1) Profit of Rs 3000
- (2) Loss of Rs 3000
- (3) Profit of Rs 2500
- (4) Loss of Rs 2500
- (5) None of these
5. Ram invested his money in two schemes A and B in the ratio 3 : 5 for the same time. If schemes A and B offer 15% and 10% interest rates to Ram respectively then find after how much time total income of Ram will be Rs 4560 if his capital amount was Rs. 12800? (4)
- (1) 2 years
- (2) 6 years
- (3) 4 years
- (4) 3 years
- (5) None of these