১২৭৫১
A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother what is the present age of the mother?
উত্তর
40
১২৭৫২
The perimeter of a square is equal to the perimeter of a rectangle whose length and width are 6m and 4m respectively. The side of the square is
উত্তর
5m
১২৭৫৩
Set A contains all the even numbers between 2 and 50 inclusive. Set B contains all the even numbers between 102 abd 150 inclusive. What is the difference between the sum of elements of set B and that of set A?
উত্তর
2500
১২৭৫৪
Three friends Alice, Bond and Charlie divide $1,105 among them is such a way that if $10, $20 and $15 are removed from the sums that Alice, Bond and Charli received respectively than the share of the sums that they got will be in the ratio of 11 : 18 : 24 . How mush did Charlie receive?
উত্তর
495
১২৭৫৫
A, B and C each working alone can complete a job in 6, 8 and 12 days respectively. If all three of them work together to complete the job and earn $2340, what will be C's share of the earnings?
উত্তর
$520
১২৭৫৬
What is the % change in the area of a square when its length increases by 10% and its width decreases by 10%
উত্তর
1% decrease
১২৭৫৭
Sam buys 10 apple for $1. At what price should be sell a dozen apples if he wishes to make a profit of 25%?
উত্তর
$1.5
১২৭৫৮
What is the highest integral value of ‘k’ for which quadric equation x2 - 6x + k = 0 will have two real and distinct roots?
উত্তর
8
১২৭৬০
Three years back, a father was 24 years older than his son. At present the father is 5 times as old as the son. How old will the son be three years from now?
উত্তর
9 years