১২২৭১
If a light flashes every 6 seconds, how many times will it flash in 3/4 of an hour?
উত্তর
451 times
১২২৭৩
The value of - 4 - (- 10) is how much greater than the value of - 10 -(- 4)?
উত্তর
14
১২২৭৬
If the length of a rectangle is increased by 30% and the width is decreased by 30%, then the area will be
উত্তর
Decreased by 9%
১২২৭৭
How much interest will Tk. 1000 earn in one year at the annual interest rate of 20% if interest rate is compounded every 6 months?
উত্তর
210
১২২৭৯
Average mark in Math in a class of 40 students is 45. Average mark of all the 30 boys is 50. Then the average mark obtained by the girls is:
উত্তর
30
১২২৮০
729 ml of a mixture contains milk and water in ratio 7: 2. How much of the water is to be added to get a new mixture containing half milk and half water?
উত্তর
405ml