২৮২১
If q and r are both odd numbers , which of the following numbers must be an even numbers?
উত্তর
q +r
২৮২২
Mr. Walker travels a miles in b hours and then c miles in d hours. How many hours will be needed to travel 500 miles if he maintains this average rate?
উত্তর
500(b+d)/a+c
২৮২৩
A shirt and a pant currently have the same price. If the price of a shirt raised by 5% and the price of a pant goes up by 3% how much more will it cost to buy 2 shirts and 3 pants.
উত্তর
3.8%
২৮২৪
If 8 cows produce 16 cans of milk in 4 days , how many days does it take 4 cows to produce 4 cans of milk?
উত্তর
4
২৮২৫
Laila is 2 years younger than mary. If Mary is m years old , how old was Liala two years ago?
উত্তর
m -4
২৮২৭
If the radius of a circle is increased by 6% then the area of the circle is increased by
উত্তর
12.36%
২৮২৮
The average of 3 numbers is X. If the average of first 2 numbers is Y and the average oflast 2 numbers is Z , what is the second number?
উত্তর
2Y + 2Z -3X
২৮২৯
If the product of 2 numbers is 20 and the sum of the two numbers is 10, then the larger of the two numbers is
উত্তর
10
২৮৩০
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka, before the price increase?
উত্তর
5.00