২৬৮২
Aaron has 3 times as much money as josh. If Aaron gives Josh $50. Josh will then have 3 times as much money as Aaron. How much money do they have together?
উত্তর
100
২৬৮৩
e Five years ago father's age was seven times of his son's age. Then years hence their ages will be in the ration of 5:2 Find their present ages.
উত্তর
F = 40 , S =10
২৬৮৪
A buzzer sounds every 15 minutes If the buzzer sounded at 12:40 which of the following could be a time at which the buzzer sounded?
উত্তর
8:10
২৬৮৫
A shopkeeper lives discount of 10% on the marked price of a transistor but in the bargain makes a profit of 10%. If the marked price of the transistor be Tk. 330 the cost is:
উত্তর
Tk. 270
২৬৮৬
The average weight of 5 men is increased by 2 kg. when one of the men whose weight is 60 kg is replaced by a new man. The weight of the new man is:
উত্তর
70kg
২৬৮৭
Two years ago the average age of a family of 8 members was 18 years , After the addition of a boy the average age of the family remains the same today. What is the age of the baby.
উত্তর
2 years
২৬৮৮
Due to 30% fall in the price of television sets there is rise of 20% in the sales. How will the income of the shop be affected?
উত্তর
16 % fall
২৬৮৯
THe population of a town was 54243 in 1975 and 49200 in 1984. If the rate of chage per thousand per year remains unchanged what was the population in 1989?
উত্তর
46857
২৬৯০
At simple interest Tk. 800 becomes Tk. 920 in 3 years. If rate of intest is increased by 3% then total amount becomes.
উত্তর
TK. 992