Default Title

Questions

Question (31)

QN0019070

Which expression shows the product of each term of one bracket with each term of the other bracket?

(A) (ab)
(B) ((a+b)(c+d))
(C) (a+b+c+d)
(D) (a^2+b^2)

Correct Answer: B

Explanation:

Each term multiplies with every term.

Link:

Report Error

Question (32)

QN0019071

Expand (3(x-4+2)).

(A) (3x-12+6)
(B) (3x-2)
(C) (3x+12)
(D) (3x-6)

Correct Answer: A

Explanation:

Distribute 3 to all terms.

Link:

Report Error

Question (33)

QN0019072

Simplify (4(a+b-c)).

(A) (4a+4b-4c)
(B) (4ab-4c)
(C) (4a+b-c)
(D) (4a+4b+c)

Correct Answer: A

Explanation:

Multiply each term by 4.

Link:

Report Error

Question (34)

QN0019073

The increase in the product (50\times40) when the first number is increased by 3 and the second by 2 is

(A) 226
(B) 220
(C) 230
(D) 206

Correct Answer: A

Explanation:

(50×2+40×3+3×2=226).

Link:

Report Error

Question (35)

QN0019074

If one number is decreased by 3 and the other by 4, the change in product is

(A) (-4a-3b+12)
(B) (4a+3b+12)
(C) (-4a+3b)
(D) (ab-12)

Correct Answer: A

Explanation:

Use ((a-3)(b-4)).

Link:

Report Error

Question (36)

QN0019075

For (a=15) and (b=20), the change in product when both are decreased by 1 is

(A) −34
(B) −35
(C) +34
(D) +35

Correct Answer: A

Explanation:

Change (=-15-20+1=-34).

Link:

Report Error

Question (37)

QN0019076

Which statement is true?

(A) Distributive property applies only to positive integers.
(B) Distributive property applies to integers including negative integers.
(C) Distributive property applies only to algebraic expressions.
(D) Distributive property does not apply to subtraction.

Correct Answer: B

Explanation:

It holds for all integers.

Link:

Report Error

Question (38)

QN0019077

The increase in (ab) when only

(A) (5a)
(B) (5b)
(C) (ab)
(D) (a+b)

Correct Answer: B

Explanation:

((a+5)b-ab=5b).

Link:

Report Error

Question (39)

QN0019078

Using distributive property, (25(40+2)) equals

(A) 1000
(B) 1025
(C) 1050
(D) 1020

Correct Answer: C

Explanation:

(25×40+25×2=1050).

Link:

Report Error

Excel With Tutors

Learn At Your Own Pace... Because, Everyone's Pace of Learning is Different...

ExcelWithTutors

A unit of Innovexcel Edu Solution LLP.

SWIFT, RELIABLE & CONVENIENT..

Social Media

Corporate Office :
Bharat Impact Building, C-26, Sector - 59, Noida, Uttar Pradesh - 201301, India

For Student

For Tutors

OUR POLICY

Excel With Tutors : A Perfect Tutoring Platform & Repository of Learning Materials. Matches the Best Tutor as Per Your Requirement.