Ques 1.A man bought 300 guavas at 10 a rupee and 300 more at 15 a rupee and sold them at 25 for 2 rupees. How much did he lose ?
(a) Rs 2
(b) Rs 3.
(c) Insufficient data
(d) None of these
Ques 2.A can make a table in 6 days and B two tables in 16 days. Hoe long will they take to make sixty three tables working together ?
(a) 216 days
(b) 196 days
(c) 189 days
(d) 252 days
Ques 3.A certain number of boys spent thrice as many ten paise coins, as the cube of the number of 58.80. How many boys were there?
(d) None of these
Ans 3. Let the number of boys be x.
Ques 4.An amount doubles itself in 8 years at simple interest. At the same rate it will become 3 times in
(a) 12 years
(b) 16 years
(c) 18 years
(d) 24 years
Ques 5.When the sale price of an item was increased by 50%, there was a shortall of 20% in his sales. What is the percentage effect on the revenue from sales ?
(a) 15 % rise
(b) 15% fall
(c) 20% rise
(d) 20 Fall
Ans 5. Let the number of goods sold previously be x and the sale price per piece be y.
Ques 6.A watch gains 4 seconds per hour.What time will it show at 8 a.m. on 22nd of a month if it is set right at 1 p.m. on 20th of the same month ?
(a) 8 hr. 2 min. 40 sec.
(b) 8 hr. 3 min. 20 sec.
(c) 8 hr. 2 min. 52 sec.
(d) 8 hr. 2 min. 45 sec.
Ans 6. Time interval = ( 19 + 24) hours = 43 hours
= 43 x 4 seconds = 172 s
= 2 minutes 52 seconds
Hence, the clock would show 8 hr. 2 min. 52 sec.
Ques 7.To fill a cistern, pipes A, B and C take 20 minutes, 15 minutes and 12 minutes respectively . The time that the three pipes together will take to fill the cistern is
(a) 5 min.
(b) 7 min.
(c) 10 min.
(d) 12 min.
Ques 8.The average weight of A, B , C and D is 67 kg.When a fifth man E joins then the average weight is reduced by 2 kg. A is replaced by F whose weight i more than E's by 4 kg. This brought down the average weight to 64 kg. The weight of A is
(a) 68 kg
(b) 73 kg
(c) 72 Kg
(d) 55 kg
Ans 8. weight of A + B + C + D = ( 4 x 67) kg
Weight of A + B + C + D + E = ( 5 x 65 ) kg
= 325 kg
Weight of E = 325- 268 = 57 kg
Weight of F = 57 + 4 = 61 kg
Weight of B + C + D + F = ( 4 x 64)
or Weight of B + C + D = 256-61
= 195 kg
. . Weight of A = 268- 195 = 73 kg
Ques 9.The circumferences of two concentric cricles are 352 ,m and 264 m respectively . The difference between the radii of the circles is
(a) 7 m
(b) 10 m
(c) 14 m
(d) 15 m
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