২৬১৬
Two motorists start from the same point at the same time and travel in opposite directions. One motorist travels 15 mph, faster than the other. In speed for each motorist.
উত্তর
47.5 and 62.5 mph
২৬১৭
All of the following numbers may be written as the sum of two prime numbers except one. which one may not be so written?
উত্তর
23
২৬১৯
A woman invested an amount of money at 5% and twice as much at 7%. If her total yearly interest from the two investments is $ 760 , how much was invested at each rate?
উত্তর
4000 and 8000