Garima borrowed Rs 40000 at 10% p. a simple interest. She immediately inverted this money at 10% compounded half yearly, Calculate Garima, s gain in 18 months.​

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)