MATH DOSE 8

1. A shopkeeper marks a price 25% above the cost price. If is sell three-fourth of goods on mark price and remaining at discount of 40% find the total gain of loss percent. (Answer-12.5)

2. A sum invested at rate of 8% per annum for 1 year compound annually became 20280. Find the simple interest on the same sum for 23/5 year for double rate than earlier.

3.  A certain money is invested of certain rate , compounded annually, grow in amount of five year, which is equal to the factor of 1.1881 that of amount of three year. What is rate percent? (Answer 9%)

4. Find the area of rhombus (in cm²) whose side in 13 cm and smaller diagonal is 10 cm. (Answer- 120)

5. Three number are in ratio 1/2 : 2/3 : 3/4 and the difference between larger and smaller number is 27 find the smallest number. (Answer 54)

6. There is 29% off on bag. A lady bought a bag and taking discount of 13% because she is paying in cash. She spent total 617.70.what is price tag on bag. (Answer 1000)