২৫৮৬১
If a +1, 2a +1 , 4a-1 are in Arithmetic Progression then the value of 'a' is:
উত্তর
2
২৫৮৬২
Suppose today is Friday. What day of the week will it be 65 days from now?
উত্তর
Saturday
২৫৮৬৪
which of the following angle can be constructed with the help of a ruler and a pair of compasses?
উত্তর
47.5°
২৫৮৬৫
If a, b and c are the lengths of the three sides of a triangle , then which of the following is true?
উত্তর
a-b
২৫৮৬৬
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
উত্তর
45
২৫৮৬৮
The ratio of two numbers is 9:15. If the former number is 36 then the next number is:
উত্তর
60