৩০৮২৩
A father is 61 and his son is 16. In how many years will the father be twice as old a his son?
উত্তর
19
৩০৮২৪
Two motorists drove their cars at a speed of 45 km per hour and 50 km per hour respectively. One car took 10 minutes longer than the other to travel a distance. Find the distance travelled.
উত্তর
15 km
৩০৮২৭
কোন ক্ষুদ্রতম সংখ্যা থেকে ৫ বিয়োগ করলে বিয়োগফল ৬ ও ১০ দ্বারা নিঃশেষে বিভাজ্য হবে?
উত্তর
35
৩০৮২৮
A train 120 meter long is traveling at a speed of 60 km/h. The time in which it will pass a passersby , walking at 6 km/h in the same direction is -
উত্তর
6 sec
৩০৮২৯
If x and y are consecutive positive integers, which of the following must be an even integer?
উত্তর
x
৩০৮৩০
The lengths of the sides of a triangle are in the ratio of 3 to 5 to 6. If the perimeter of the triangle is 70, what is the length of the longest side?
উত্তর
5