In a class of 120 students 70 percent can speak only Bengali and the rest can speak English . If 25 percent of those in the class who can speak English can also speak Bengali , how many of the students in the class can speak bengali?

A lamp is manufactured to sell for $35.00, which yields a profit of 25% of cost . If the profit is to be reduc...

In triangle ABC, AB = AC . All of the following statements are true except__

If an inspector rejects 0.08% of a product as defective , how many units of the product will he examine in ord...

There are 15 balls in a box 8 balls are green 4 are blue and 3 are white. Then 1 green and 1 blue balls are ta...

A short distance athlete has taken 60 seconds to cover 100 meters . If he makes 30 steps in 9 seconds , how ma...

Three angles of a triangle are in proportion 5 : 6 : 7. Then what is the difference in degrees between the big...