#1. A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train? A. 120 metres B. 180 metres C. 324 metres D. 150 metres #2. A train 125 m long passes a man, running at 5 km/hr in the same direction in which the […]
Category Archives: Uncategorized
#1. Three partners shared the profit in a business in the ratio 5 : 7 : 8. They had partnered for 14 months, 8 months and 7 months respectively. What was the ratio of their investments? A. 5 : 7 : 8 B. 5 : 16 : 16 C. 38 : 28 : 21 D. […]
#1. If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work? A. 60 B. 45 C. 40 D. 30 #2. If A and B together can complete a work in 18 days, A and C […]
1. The ratio, in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so that the mixed tea when sold for Rs. 194.40 per kg, gives a profit of 20%. A. 2 : 5 B. 3 : 5 C. 5 : 3 D. 5 : 2 […]
#1. In how many ways can 8 Indians and, 4 American and 4 Englishmen can be seated in a row so that all person of the same nationality sit together? A. 3! 4! 8! 4! B. 3! 8! C. 4! 4! D. 8! 4! 4! #2. How many Permutations of the letters of the word […]
#1. Two buses start from a bus terminal with a speed of 20 km/h at interval of 10 minutes. What is the speed of a man coming from the opposite direction towards the bus terminal if he meets the buses at interval of 8 minutes? A. 3 km/h B. 4 km/h C. 5 km/h D. […]
#1. How many terms are there in 20, 25, 30 . . . . . . 140? A. 22 B. 25 C. 23 D. 24 #2. Find the first term of an AP whose 8 and 12 terms are respectively 39 and 59. A. 5 B. 6 C. 4 D. 3 E. 7 #3. Find […]
#120. There are 4 consecutive odd numbers (x , x , x and x ) and three consecutive even numbers (y , y and y ). The average of the odd numbers is 6 less than the average of the even numbers. If the sum of the three even numbers is 16 less than the […]
Author: Dr. Hadiur Rahman DOI: https://doi.org/10.5555/book.001.08 Abstract : Forest conservation is the practice of planting and maintaining forested areas for the benefit and sustainability of future generations. The conservation of forest also stands & aims at a quick shift in the composition of trees species and age distribution. Forest conservation involves the upkeep of the […]