Chapter 1: Algebraic Equations & Simple Inequalities - Math Mcqs for Grade 6 - Set 6

1)   Considering the inequality, (0.8)²

a. < (0.30)²
b. < (0.40)²
c. < (0.20)²
d. < (0.50)²
Answer  Explanation 

ANSWER: < (0.20)²

Explanation:
No explanation is available for this question!


2)   The total cost 'T', of chocolate cupcakes 'c' at $x each and total cost of vanilla cupcakes 'v' at $y each will be

a. T = cx + vy
b. T = cy + vx
c. T = xy(c + v)
d. T = xy(c - v)
Answer  Explanation 

ANSWER: T = cx + vy

Explanation:
No explanation is available for this question!


3)   If a car travels 'x' hours at 'y' km⁄h then the distance travelled by car 'z' is equal to

a. z = xy
b. z = x⁄y
c. z = y⁄x
d. z = x + y
Answer  Explanation 

ANSWER: z = xy

Explanation:
No explanation is available for this question!


4)   By solving equation 8a - 3 = 2a + 5, the possible value of 'a' is

a. 2⁄3
b. 2⁄5
c. 4⁄3
d. 12 1⁄19
Answer  Explanation 

ANSWER: 4⁄3

Explanation:
No explanation is available for this question!


5)   By solving the equation √x + 2 = 4, the value of 'x' will be

a. 12
b. 14
c. 11
d. 13
Answer  Explanation 

ANSWER: 14

Explanation:
No explanation is available for this question!


6)   The milliliters in 'z' liters of orange juice will be

a. 1000z
b. 2000z
c. 100z
d. 200z
Answer  Explanation 

ANSWER: 1000z

Explanation:
No explanation is available for this question!


7)   If 'y' denotes the unknown value and is decreased by five, the result will be 20 then the equation for this statement can be written as

a. y = 15
b. y - 5 = 20
c. 5y - y = 20
d. 5y = 20
Answer  Explanation 

ANSWER: y - 5 = 20

Explanation:
No explanation is available for this question!


8)   Considering the inequality, the (8)² is

a. < (-5)²
b. < (-4)²
c. < (-6)²
d. < (-9)²
Answer  Explanation 

ANSWER: < (-9)²

Explanation:
No explanation is available for this question!


9)   The numerator of fraction is 3 less than denominator. If 5 is subtracted from both numerator and denominator, the fraction becomes 4⁄5. The fraction was

a. 11⁄20
b. 17⁄20
c. 9⁄13
d. 11⁄15
Answer  Explanation 

ANSWER: 17⁄20

Explanation:
No explanation is available for this question!


10)   By solving the equation 5x + 10.8 = 16.3, the value of 'x' will be

a. 5.1
b. 4.1
c. 2.1
d. 1.1
Answer  Explanation 

ANSWER: 1.1

Explanation:
No explanation is available for this question!


11)   Considering the inequalities, nine is

a. < 11
b. < 5
c. < 7
d. > 14
Answer  Explanation 

ANSWER: < 11

Explanation:
No explanation is available for this question!


12)   By solving the equation a⁄4 + a⁄2 + a⁄6 = 5, the value of 'a' will be

a. 7 5⁄11
b. 8 5⁄11
c. 5 5⁄11
d. 6 5⁄ 111
Answer  Explanation 

ANSWER: 5 5⁄11

Explanation:
No explanation is available for this question!


13)   By solving equation 6a⁄2 - 4a⁄3 - 2a⁄4 -4 =0, the value of 'a' will be

a. 3 3⁄11
b. 2 3⁄9
c. 3 3⁄7
d. 4 3⁄13
Answer  Explanation 

ANSWER: 3 3⁄7

Explanation:
No explanation is available for this question!


14)   By solving the inequality 1⁄3x > 6, the answer will be

a. x > 20
b. x > 18
c. x > 22
d. x > 25
Answer  Explanation 

ANSWER: x > 18

Explanation:
No explanation is available for this question!


15)   If age of elder sister is 'a' and age of younger sister is 'b' then the difference of ages is

a. 2(a + b)
b. 2a + 2b
c. a - b
d. 2(a - b)
Answer  Explanation 

ANSWER: a - b

Explanation:
No explanation is available for this question!


16)   Erin bought 60 chocolates for $10.0. Some chocolates cost 20 cents each and rest costs 16 cents each. The number of chocolates she bought of 16 cents are

a. 45 chocolates
b. 35 chocolates
c. 40 chocolates
d. 50 chocolates
Answer  Explanation 

ANSWER: 50 chocolates

Explanation:
No explanation is available for this question!


17)   The total number of seconds in 'y' minutes are

a. 1200y seconds
b. 60y seconds
c. 120y seconds
d. 3600y seconds
Answer  Explanation 

ANSWER: 60y seconds

Explanation:
No explanation is available for this question!


18)   If Mary is 'x' years old now then the age of Mary after ten years will be

a. 2x - 10
b. x + 10
c. x - 10
d. 2x + 10
Answer  Explanation 

ANSWER: x + 10

Explanation:
No explanation is available for this question!


19)   A women is 4 times as old as her daughter. In 12 years time, the sum of their ages will be 89. The age of women when her daughter was born is

a. 35 years
b. 43 years
c. 39 years
d. 41 years
Answer  Explanation 

ANSWER: 39 years

Explanation:
No explanation is available for this question!