6. Fraction Operation_Post Assignment

There are 2700 books in a library, out of which 500 books are in English, 670 books are in math, and the rest are in science. What is the fraction of science books in the library? Write the fraction in its simplest form.

• 17/30

• 151/270

• 17/35

• 152/250

Answer explanation

Type something

           The length of a rectangular sheet of paper is 3/5 cm and the breadth is 2/5 cm. What is the perimeter and area of the paper?

• 2 cm and 1/25 sq cm

• 2 cm and 3/25 sq cm

• 2 cm and 2 sq cm

• 2 cm and 6/25 sq cm

           A cookie factory uses 1/4 of a barrel of oatmeal in each batch of 36 cookies. The factory used 2 barrels of oatmeal yesterday. How many cookies did the factory make?

• 8

• 288

• 36

• 290

           At the dealership where Mary works, she fulfilled 1/6 of her quarterly sales goal in April and another 3/10 of her sales goal in June. If her quarterly sales goal is Rs. 8,25,000, what amount of sales did she make in these two months?

• 137500

• 247500

• 385000

• 825000

          David's salary is $ 56310. David spent 2/3 of the total money on food. He spent 1/2 of the remaining amount on his kids' education and saved the rest. How much did he save?

• Rs. 18700

• Rs. 9385

• Rs. 78834

• Rs. 17800

           John's present age is 1/3 of David's age 5 years back. If David is 20 years old now, find the present age of John.

• 7

• 6

• 5

• 8

           If each person ate 3/4th part of a pizza on average, then how many Pizzas were ordered for 42 people in a gathering?

• 30

• 31

• 32

• 34

          In a music school, there were 550 children. One-fifth of the children learned piano, two-fifths of the children learned guitar, and the rest of the children learned drums. How many children learned only drums?

• 110

• 220

• 50

• 100