Chapter 12: Ratio Rate & Speed - Math Mcqs for Grade 6 - Set 4

1)   The cost of rice is increased in the ratio 7 : 5. If the original price is $10 then the increased price is

a. 14
b. 16
c. 18
d. 15
Answer  Explanation 

ANSWER: 14

Explanation:
No explanation is available for this question!


2)   If an employee works for 6 hours in $13 then his pay for 8 hours will be

a. 28.34
b. 25.34
c. 20.34
d. 17.34
Answer  Explanation 

ANSWER: 17.34

Explanation:
No explanation is available for this question!


3)   A car travelled 50 km at an average speed of 40 km/h. It then travels another 30 km/h at average speed before reaching its destination. The average speed for whole journey is

a. 81 km/h
b. 78 km/h
c. 75.25 km/h
d. 61.25 km/h
Answer  Explanation 

ANSWER: 61.25 km/h

Explanation:
No explanation is available for this question!


4)   After decreasing the 50kg in ratio of 2 : 5, the answer will be

a. 32kg
b. 30kg
c. 20kg
d. 25kg
Answer  Explanation 

ANSWER: 20kg

Explanation:
No explanation is available for this question!


5)   The ratio to increase 50 to 75 is

a. 3:04
b. 2:03
c. 2:05
d. 2:07
Answer  Explanation 

ANSWER: 2:03

Explanation:
No explanation is available for this question!


6)   If price of one dozen of candies is $2.5 then cost of each candy is

a. $0.40/candy
b. $0.70/candy
c. $0.50/candy
d. $0.20/candy
Answer  Explanation 

ANSWER: $0.20/candy

Explanation:
No explanation is available for this question!


7)   Harry bought a new digital camera for $2000. If it captures 150 pictures in 10 minutes then the number of pictures camera can take in one second is

a. 0.30 pictures per second
b. 0.25 pictures per second
c. 0.35 pictures per second
d. 0.15 pictures per second
Answer  Explanation 

ANSWER: 0.25 pictures per second

Explanation:
No explanation is available for this question!


8)   If 80 cartons of corn snacks is for $120 then total cost for 150 cartons is

a. 225
b. 245
c. 265
d. 280
Answer  Explanation 

ANSWER: 225

Explanation:
No explanation is available for this question!


9)   Susan wants to buy 3.2 m make a floor length frock with little flair. If the material she bought is $12.5 for 0.8m then the cost of material per meter is

a. $19.63
b. $18.27
c. $15.63
d. $17.63
Answer  Explanation 

ANSWER: $15.63

Explanation:
No explanation is available for this question!


10)   Jenny, Mary and Aqua wants to divide $300 in the ratio 2 : 4 : 6. The amount of money Jenny, Mary and Aqua received respectively is

a. $60, $110 and $130
b. $50, $100 and $150
c. $80, $100 and $120
d. $70, $100 and $130
Answer  Explanation 

ANSWER: $50, $100 and $150

Explanation:
No explanation is available for this question!


11)   If piece of carpet with measurement of 15.5cm² is bought and is to be decreased in the ratio 4 : 5 then new measurement will be

a. 10.4cm²
b. 12.4cm²
c. 13.4cm²
d. 14.5cm²
Answer  Explanation 

ANSWER: 12.4cm²

Explanation:
No explanation is available for this question!


12)   If 10.42 p.m. is converted into 24-hour clock then the time notation can be written as

a. 24 10 hours
b. 20 42
c. 2042
d. 62hours
Answer  Explanation 

ANSWER: 20 42

Explanation:
No explanation is available for this question!


13)   A car travels 600km in 72 liters of petrol. If car travels 250km then the liters of petrol used are

a. 38 liters
b. 35 liters
c. 40 liters
d. 30 liters
Answer  Explanation 

ANSWER: 30 liters

Explanation:
No explanation is available for this question!


14)   If a man earns $420 in two weeks then the earning for 11 days will be

a. $270
b. $370
c. $330
d. $350
Answer  Explanation 

ANSWER: $330

Explanation:
No explanation is available for this question!


15)   If car travels 40 km/h then the distance car travelled in 50s is

a. 240 m
b. 300 m
c. 250 m
d. 200 m
Answer  Explanation 

ANSWER: 200 m

Explanation:
No explanation is available for this question!