Q. Arul and Arun started the business with the investment of Rs.(x + 1000) and Rs.(x – 500) respectively. After one year, Arun withdrew Rs.450 from its initial investment. At the end of two years, the total profit of the business is Rs.11400 and the profit share of Arul is Rs.8000. Find the value of […]
Ratio of the speed of the stream and downstream speed of the boat is 3:10 respectively. If the boat covers 280 km in still water in 8 hours, then find the time taken by the boat to cover 300 km upstream? A. 9 hours B. 11 hours C. 7 hours D. 15 hours E. None
324, 335, ?, 346, 302, 357 a) 364 b) 357 c) 310 d) 313 e) None of these Sol: 324 + 11 = 335 335 – 22 = 313 313 + 33 = 346 346 – 44 = 302 302 + 55 = 357
2, 7, 17, ?, 60, 97 a) 34 b) 38 c) 42 d) 48 e) 51 Sol: 2 + 22 + 1 = 7 7 + 32 + 1 = 17 17 + 42 + 1 = 34 34 + 52 + 1 = 60 60 + 62 + 1 = 97
12, 42, 77, 117, 162, ? a) 216 b) 212 c) 208 d) 218 e) 204 Sol: 12 + 30 = 42 42 + 35 = 77 77 + 40 = 117 117 + 45 = 162 162 + 50 = 212
3, 5, 12, 38, ?, 772 a) 142 b) 148 c) 154 d) 158 e) 160 Sol: 3 * 1 + 2 = 5 5 * 2 + 2 = 12 12 * 3 + 2 = 38 38 * 4 + 2 = 154 154 * 5 + 2 = 772
Q. 17, 34, 53, 76, ?, 136 a) 105 b) 112 c) 123 d) 98 e) 87 Sol: 17 + 17 = 34 34 + 19 = 53 53 + 23 = 76 76 + 29 = 105 105 + 31 = 136
A, B and C together can complete a work in 4 days. A alone can complete a work in x days and B alone can complete the same work in (x + 5) days and C alone can complete the work in x/2 days. Find the time taken by A and C together to complete
Priya starts from A at 7.00 AM and reaches B at 10.00 PM. If Priya increased her speed by 10 km/hr, she would have reached B in 2.5 hours earlier. Find the time taken by Priya to cover a distance that is 250 km less than the distance between A and B with her initial
A boat covers a certain distance upstream in 15 hours and covers the same distance downstream in 9 hours. The boat covers x km in still water in 5 hours and also covers (x + 30) km downstream in 5 hours. Find the speed of the boat in still water. a) 18 km/hr b) 20
