Four bells will ring at intervals of 18, 24, 32 and 40 seconds. If they begin by ringing together what time will elapse before they ring together again? a. 1000 min b. 2000 min c. 1440 min d. 1560 min 2.At what rate will the interest on Rs. 1125/- be Rs. 225 for 4 years? a. 6% b. 5% c. 8% d. 4% 3,By selling 32 books for Rs. 100/- a man loses 40%. How many books shall he sell for Rs. 100/- to gain 20%? a. 18 b. 16 c. 10 d. 8 4.A person spends Rs. 501 in buying tables and chairs. If the cost of each chair is Rs. 15 and table costs 40% more than the chair and total number of articles he bought was 27, how many of each kind did he buy? a. 16, 11 b. 15, 12 c. 13, 14 d. 10, 17 5.Milk is available in two vessels. The ratio of milk to water in each of the vessels is 9 : 7 and 11 : 8 respectively. Which vessel contains more water? a) 2nd Vessel b) 3rd Vessel c) 1st Vessel d) None 6.If 6 horses eat 108 kg of grass in 4 days, how much grass will be eaten by 20 horses in 3 days? a) 440 b) 270 c) 430 d) None 7.A and B entered into a partnership with Rs.5 lakhs and Rs.6 lakhs respectively. After 6 months A invested Rs.1 lakh and after one more year B withdrew 2 lakhs. Find the share of A in the profit of Rs.26 lakhs at the end of the third year. a) 2 lakhs b) 4 lakhs c) 7 lakhs d) 14 lakhs 8.P and Q entered into a partnership with Rs.75000 and Rs.1,25,000 respectively. Q was the sleeping partner. At the end of the year they shared the profit of Rs.2,40,000 in the ratio of 5 : 3. Find the salary drawn by P. a) Rs.48000 b) Rs.96000 c) Rs.25000 d) None 9.A sum of Rs5500 is lent out in 3 parts in such a way that the interest on first part at 5% for 2 years and the interest on the second part at 6% for 5 years and that of 4% for 5 years on the third part are equal. The ratio in which the sum is divided into three parts is …. a) 6 : 2 : 3 b) 3 : 6 : 2 c) 3 : 2 : 6 d) 6 : 3 : 2 10.Two taps A & B can fill a cistern in 12 and 16 minutes respectively. Both fill taps are opened together, but 4 minutes before cistern is full, one tap A is closed. How much time will the cistern take to fill? a) 9 1/7 min. b) 3 1/7 min. c) 11 1/7 min. d) None