Train can travel 50% faster than a car. Both start from point A at the same time and reach point B 75 kms away from A at the same time. On the way, however, the train lost about 12.5 minutes while stopping at the stations. The speed of the car is :

Running at the same constant rate, 6 identical machines can produce a totoal of 270 bottles per minute. At thi...

A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A's share is Tk...

Three partners shared the profit in a business in the ratio 5 : 7 : 8. They had partnership for 14 months, 8 m...

A man buys Tk. 20 shares paying 9% dividend. The man wants to have an interest of 12% on his money. The market...

There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Tk. 12...

A bank offers 5% compound interest calculated on half-yearly basis. A customer deposits Tk. 1600 each on 1st J...