০১। 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
ক) 3
খ) 5
গ) 7
ঘ) Cannot be determined
ঙ) None of these
০২। 100 oranges are bought at the rate of ৳ 350 and sold at the rate of ৳ 48 per dozen. The percentage of profit or loss is:
ক) 14 2 % gain 7
খ) 15% gain
গ) 14 2 % loss 7
ঘ) 15 % loss
০৩। 252 can be expressed as a product of primes as:
ক) 2 x 2 x 3 x 3 x 7
খ) 2 x 2 x 2 x 3 x 7
গ) 3 x 3 x 3 x 3 x 7
ঘ) 2 x 3 x 3 x 3 x 7
০৪। 3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?
ক) 9
খ) 10
গ) 11
ঘ) 12
০৫। 36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
ক) 12
খ) 18
গ) 22
ঘ) 24
ঙ) None of these
০৬। 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
ক) 10
খ) 13
গ) 14
ঘ) 15
০৭। 4 mat-weavers can weave 4 mats in 4 days. At the same rate, how many mats would be woven by 8 mat-weavers in 8 days?
ক) 4
খ) 8
গ) 12
ঘ) 16
০৮। 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it?
ক) 35
খ) 40
গ) 45
ঘ) 50
০৯। 8 litres are drawn from a cask full of wine and is then filled with water. This operation is performed three more times. The ratio of the quantity of wine now left in cask to that of water is 16 : 65. How much wine did the cask hold originally?
ক) 18 litres
খ) 24 litres
গ) 32 litres
ঘ) 42 litres
১০। 8 men and 14 women are working together in a field. After working for 3 days, 5 men and 8 women leave the work. How many more days will be required to complete the work? I. 19 men and 12 women together can complete the work in 18 days. II. 16 men can complete two-third of the work in 16 days. III. In 1 day, the work done by three men in equal to the work done by four women.
ক) I only
খ) II only
গ) III only
ঘ) I or II or III
ঙ) II or III only
১১। A 12% stock yielding 10% is quoted at:
ক) Rs. 83.33
খ) Rs. 110
গ) Rs. 112
ঘ) Rs. 120
১২। A 6% stock yields 8%. The market value of the stock is:
ক) Rs. 48
খ) Rs. 75
গ) Rs. 96
ঘ) Rs. 133.33
১৩। A : B = ৪ : ৫, A : C = ১০ : ৯ হলে A : B : C =?
ক) ৪ : ৫ : ৯
খ) ৪ : ৫ : ১০
গ) ৮ : ৯ : ১০
ঘ) ২০ : ২৫ : ১৮
ঙ) কোনটিই নয়
১৪। a : b = ৪ : ৭ এবং b : c = ৫ : ৬ হলে a : b : c = কত?
ক) ৪ : ৭ : ৬
খ) ২০ : ৩৫ : ২৪
গ) ২০ : ৩৫ : ৪২
ঘ) ২৪ : ৩৫ : ৩০
১৫। A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for ৳ 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C?
ক) ৳ 375
খ) ৳ 400
গ) ৳ 600
ঘ) ৳ 800
১৬। A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in :
ক) 8 days
খ) 10 days
গ) 12 days
ঘ) 15 days
১৭। A and B can do a job together in 7 days. A is 1 times as efficient as B. The same job can be done by A alone in :
ক) 9 1 days 3
খ) 11 days
গ) 12 1 days 4
ঘ) 16 1 days 3
১৮। A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?
ক) 18 days
খ) 24 days
গ) 30 days
ঘ) 36 days
১৯। A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in :