Chapter 12: Ratio Rate & Speed - Math Mcqs for Grade 6 - Set 3

1)   The cost of wheat has decreased in ratio 3 : 4. If original price was $9 then the decreased price is

a. $7.75
b. $4.75
c. $5.75
d. $6.75
Answer  Explanation 

ANSWER: $6.75

Explanation:
No explanation is available for this question!


2)   If piece of cloth measuring 8cm by 12cm is decreased in ratio 3 : 4 then new measuring of cloth will be

a. 6cm by 9cm
b. 7 cm by 9cm
c. 5cm by 8cm
d. 7cm by 11cm
Answer  Explanation 

ANSWER: 6cm by 9cm

Explanation:
No explanation is available for this question!


3)   If a car travels at average speed of 72 km/h then average speed in m/s is

a. 35 m/s
b. 25 m/s
c. 20 m/s
d. 30 m/s
Answer  Explanation 

ANSWER: 20 m/s

Explanation:
No explanation is available for this question!


4)   A car can travel 200km in 19 liters. If car travels 300km on petrol and one liter of petrol costs $2.5 then total cost of petrol (in dollars) will be

a. $97.25
b. $71.25
c. $80.25
d. $85.25
Answer  Explanation 

ANSWER: $71.25

Explanation:
No explanation is available for this question!


5)   If a car travelled 600 km in 8 hours then the average speed of car is

a. 75km/h
b. 85 km/h
c. 90 km/h
d. 80 km/h
Answer  Explanation 

ANSWER: 75km/h

Explanation:
No explanation is available for this question!


6)   If 16 18 is to be converted in 12-hour clock notation then it can be written as

a. 1618 hours
b. 22 hours
c. 4.18 p.m.
d. all of above
Answer  Explanation 

ANSWER: 4.18 p.m.

Explanation:
No explanation is available for this question!


7)   In a restaurant, dough for pastries is kneaded by using 5-liter bottles of water in 40 days. If restaurant wants to buy gallons in 15liter packaging then number of 15liter gallons that restaurant must buy in 90 days are

a. 380 bottles of 15 liter
b. 270 bottles of 15 liter
c. 300 bottles of 15 liter
d. 350 bottles of 15 liter
Answer  Explanation 

ANSWER: 270 bottles of 15 liter

Explanation:
No explanation is available for this question!


8)   After increasing the 72cm by the ratio of 9 : 8, the new answer will be

a. 64cm
b. 81cm
c. 49cm
d. 100cm
Answer  Explanation 

ANSWER: 81cm

Explanation:
No explanation is available for this question!


9)   The ratio in which price/kg of chicken snacks is decreased from $56 to $48 is

a. 8:09
b. 7:09
c. 3:05
d. 7:06
Answer  Explanation 

ANSWER: 7:06

Explanation:
No explanation is available for this question!


10)   The ratio 36 : 27 : 54 can be written in its simplest form as

a. 4:03:06
b. 2:03:04
c. 3:04:05
d. 6:03:06
Answer  Explanation 

ANSWER: 4:03:06

Explanation:
No explanation is available for this question!