১২২১১
The ratio between the perimeter and the breadth of a rectangular is 5 : 1. If the area of the rectangle is 216 cm2, what is the length of the rectangle?
উত্তর
18 cm
১২২১২
If (x + y) > 5 and (x - y) > 3, then which of the following gives all and only possible values of x?
উত্তর
x > 4
১২২১৩
Three boys have marbles in the ratio of 19 : 5 : 3. If the boy with the least number has 9 marbles, how many marbles does the boy with the highest number have?
উত্তর
57
১২২১৪
The area of a rectangle R with width 4 ft is equal to the area of a square S, which has a perimeter of 24 ft. the perimeter of the rectangle R, in feet, is
উত্তর
26
১২২১৫
A lamp is manufactured to sell for $ 35.00, which yields a profit of 25% of cost. If the profit is to be reduced to 15% of the cost, what will be the new retail price of the lamp?
উত্তর
$32.20
১২২১৬
In triangle ABC, AB = AC. All of the following statements are true except-
উত্তর
BC + AC > AB + BC
১২২১৭
There are 15 balls in a box : 8 balls are green, 4 are blue and 3 are white, Then 1 green and 1 blue balls are taken from the box and put away. What is the probability that a blue ball is selected at random from the box?
উত্তর
3/13
১২২১৮
If the length of each of the sides of three square garden's plots is increased by 50 percent, by what percent is the sum of the areas of the three plots increased?
উত্তর
125%
১২২১৯
A manufacturer sells three products i.e. A, B and C. Product A costs 200 and sells for 250, Product B costs 150 and sells for 180, product C costs 100 and sells for 110. On which product, he has maximum percentage of profit?
উত্তর
A only
১২২২০
Alam sold two vehicles for Tk. 46,000 each. If he gained 10% on the first and lost 10% on another, then what is his percentage profit or loss in this transaction?
উত্তর
1% loss