g7 si and ratio

what is the unit of ratio

• km

• m

• cm

• no unit

If 20% of x = 80 then x= ?

• 400

• 40

• 4000

• 800

There are 123 students in a drama club ,65 of them are girls. What is the ratio of total number of students to the total number of girls.

• 65 : 123

• 123 : 65

• 125 : 65

• none

What would be the sale price of a bag marked at ₹ 300 if the discount is 20%

• ₹ 270

• ₹ 260

• ₹ 250

• ₹ 240

If 25% of a number is 25, then the number is_____

• 10
• 100
• 1000
• 50

For calculating interest, we use

• I = (P x T ) /100

• I = (P x R x T) /100

• I = (P x R) /100

• I = P x R x T x 100

The price of a motorcycle was Rs. 34,000 last year. It has increased by 20% this year. The price of motorcycle now is:

• Rs 36000

• Rs 38,800

• Rs 40,800

• Rs 32000

The population of a place increased to 54,000 in 2003 at a rate of 5% per annum. find the population in 2001

• 48700

• 46500

• 45000

• 48980

Elizabeth earns $2200.00 per month. She wants to put 15% into savings each month. How much should she deposit into her savings account?

• $1870

• $330

• $2530

• $150

Elizabeth earns $2200.00 per month. She deposits $200 into a savings account. The account yields a 6% interest per year. If she does not make another deposit, how much interest will she earn over two years?

• $12.00

• $24.00

• $212.00

• $224.00