Fractions and Decimals Quiz

What fraction of an hour are 32 minutes?

1. 2/15
2. 8/15
3. 3/4
4. 4/5

Answer: (b) 8/15

Subtract the sum of 72.03 and 34.8 from the product of 17.5 and 20.

1. 243.17
2. 350
3. 243.83
4. 456.83

Answer: (a) 243.17

Find the sum of the third and fourth terms after arranging the following numbers in ascending order. 1.02, 0.202, 1.22, 1.002, 1.201

1. 1.422
2. 2.022
3. 2.222
4. 2.221

Answer: (d) 2.221

Put the appropriate sign in the given blank: (5/7 + 1/6) - (1 - 1/7) ____ 2/3 - (1/3 x 9/14)

1. >
2. =
3. ≥

The perimeter of a triangle is 89.05 cm. If the lengths of two of its sides are 31.50 cm and 22.75 cm, then determine the length of the third side.

1. 34.08 cm
2. 34.80 cm
3. 35.25 cm
4. 57.55 cm

Answer: (b) 34.80 cm

What should be added to the sum of 14.302 and 35.90 to get the result equal to 70?

1. 19.798
2. 19.202
3. 20.798
4. 50.202

Answer: (a) 19.798

Martin takes a fraction and observes that the numerator of the fraction is six less than its denominator. He then adds 3 to the numerator and subtracts 5 from the denominator of the fraction and notices that the fraction becomes equal to 5/4. Determine the original fraction.

1. 5/11
2. 7/13
3. 9/14
4. 13/7

Answer: (b) 7/13

The sum of two fractions is 114⁄45. If one fraction is 4/5 of 6/7 of the other fraction, then determine the smaller fraction.

1. 2/3
2. 7/9
3. 8/15
4. 32/45

Answer: (c) 8/15

Rachel and Hannah study for a certain number of hours a day. Rachel studies for 38.6 hours in 5 days and Hannah studies for 48.3 hours in 7 days. Find the difference in the study time per day of Hannah and Rachel.

1. 0.82 minutes
2. 49.2 minutes
3. 49.2 hours
4. 60 minutes

Answer: (b) 49.2 minutes

The combined length of the red, blue and green ribbons is 175/8 cm. The total length of the red and blue ribbons is 29/2 cm and the total length of the blue and green ribbons is 133/8​ cm. What is the difference between the lengths of the green and red ribbons?

1. 21/4 cm
2. 37/4 cm
3. 17/8 cm
4. 59/8 cm

Answer: (c) 17/8 cm