Senior Tax Specialist Exam (2025 Tax Law) | 250
Practice Multiple Choice Questions and answers &
rationale| instant download latest upload
SECTION 1: INDIVIDUAL INCOME TAX — FUNDAMENTALS (Questions
1–50)
1. For tax year 2025, the standard deduction for a married couple filing jointly is:
A) $14,600
B) $27,700
C) $29,200
D) $30,000 (correct answer)
Rationale: For 2025, the IRS increased the standard deduction to $30,000 for married filing
jointly (MFJ) taxpayers, up from $29,200 in 2024. This annual inflation adjustment is made
under IRC §63(c)(4).
2. The 2025 standard deduction for a single filer is:
A) $13,850
B) $14,600
C) $15,000 (correct answer)
D) $15,700
Rationale: For tax year 2025, the standard deduction for single filers is $15,000, up from
$14,600 in 2024. The additional standard deduction for taxpayers age 65 or older or blind is
separate and additive.
,3. The additional standard deduction for a taxpayer who is age 65 or older (single filer) in
2025 is:
A) $1,300
B) $1,500
C) $2,000 (correct answer)
D) $1,950
Rationale: For 2025, the additional standard deduction for a single filer who is age 65 or older
or blind is $2,000 (increased from $1,950 in 2024). Married filers receive $1,600 per qualifying
spouse.
4. The top marginal federal income tax rate for 2025 remains at:
A) 35%
B) 38.5%
C) 39.6%
D) 37% (correct answer)
Rationale: The top marginal rate of 37% established by the Tax Cuts and Jobs Act of 2017
(TCJA) remains in effect for 2025. It applies to taxable income over $626,350 (single) and
$751,600 (MFJ) for 2025.
5. For 2025, the 37% marginal tax rate for married filing jointly applies to taxable income
over:
A) $693,750
B) $731,200
C) $741,200
D) $751,600 (correct answer)
Rationale: The 2025 inflation-adjusted threshold for the 37% bracket for married filing jointly
taxpayers is $751,600. Tax brackets are adjusted annually for inflation under IRC §1(f).
,6. Which of the following correctly describes the 2025 FICA tax structure for employees?
A) 6.2% Social Security on all wages, 1.45% Medicare on all wages
B) 6.2% Social Security on wages up to $168,600, 1.45% Medicare on all wages
C) 6.2% Social Security on wages up to $176,100, 1.45% Medicare on all wages (correct
answer)
D) 6.2% Social Security on wages up to $176,100, 2.35% Medicare on all wages
Rationale: For 2025, the Social Security wage base increased to $176,100. The employee pays
6.2% Social Security tax on wages up to this amount plus 1.45% Medicare on all wages. The
additional 0.9% Medicare surtax applies to high-income individuals, not as a base rate.
7. The Additional Medicare Tax of 0.9% applies in 2025 to wages and self-employment
income exceeding:
A) $125,000 for all filers B) $200,000 for MFJ and $125,000 for single C) $250,000 for single
and $200,000 for MFJ D) $200,000 for single/$250,000 for married filing jointly (correct
answer)
Rationale: Under IRC §3101(b)(2), the 0.9% Additional Medicare Tax applies to wages
exceeding $200,000 (single) and $250,000 (MFJ). These thresholds are NOT indexed for
inflation and remain unchanged since 2013.
8. The Net Investment Income Tax (NIIT) rate under IRC §1411 for 2025 is:
A) 0.9%
B) 2.5%
C) 3.8% (correct answer)
D) 4.5%
Rationale: The NIIT rate of 3.8% applies to the lesser of net investment income or the amount by
which modified AGI exceeds the applicable threshold ($200,000 single / $250,000 MFJ). This
rate is not scheduled for change in 2025.
, 9. The 2025 maximum Earned Income Tax Credit (EITC) for a taxpayer with three or
more qualifying children is approximately:
A) $6,935
B) $7,430
C) $8,046 (correct answer)
D) $8,400
Rationale: For 2025, the maximum EITC for taxpayers with three or more qualifying children is
$8,046, increased from $7,830 in 2024 due to inflation adjustments. The EITC is a refundable
credit under IRC §32.
10. Which filing status generally provides the lowest tax rate and most favorable
treatment?
A) Single
B) Married Filing Separately
C) Head of Household
D) Married Filing Jointly (correct answer)
Rationale: MFJ provides the widest tax brackets, highest standard deduction ($30,000 in 2025),
and eligibility for the most credits and deductions. It generally results in the lowest combined tax
liability for married couples.
11. A taxpayer qualifies for Head of Household filing status if they:
A) Are unmarried and have any dependent living with them
B) Are legally separated and maintain a home
C) Are widowed within the last 5 years
D) Are unmarried, paid more than half the cost of maintaining a home, and a qualifying
person lived there for more than half the year (correct answer)
Practice Multiple Choice Questions and answers &
rationale| instant download latest upload
SECTION 1: INDIVIDUAL INCOME TAX — FUNDAMENTALS (Questions
1–50)
1. For tax year 2025, the standard deduction for a married couple filing jointly is:
A) $14,600
B) $27,700
C) $29,200
D) $30,000 (correct answer)
Rationale: For 2025, the IRS increased the standard deduction to $30,000 for married filing
jointly (MFJ) taxpayers, up from $29,200 in 2024. This annual inflation adjustment is made
under IRC §63(c)(4).
2. The 2025 standard deduction for a single filer is:
A) $13,850
B) $14,600
C) $15,000 (correct answer)
D) $15,700
Rationale: For tax year 2025, the standard deduction for single filers is $15,000, up from
$14,600 in 2024. The additional standard deduction for taxpayers age 65 or older or blind is
separate and additive.
,3. The additional standard deduction for a taxpayer who is age 65 or older (single filer) in
2025 is:
A) $1,300
B) $1,500
C) $2,000 (correct answer)
D) $1,950
Rationale: For 2025, the additional standard deduction for a single filer who is age 65 or older
or blind is $2,000 (increased from $1,950 in 2024). Married filers receive $1,600 per qualifying
spouse.
4. The top marginal federal income tax rate for 2025 remains at:
A) 35%
B) 38.5%
C) 39.6%
D) 37% (correct answer)
Rationale: The top marginal rate of 37% established by the Tax Cuts and Jobs Act of 2017
(TCJA) remains in effect for 2025. It applies to taxable income over $626,350 (single) and
$751,600 (MFJ) for 2025.
5. For 2025, the 37% marginal tax rate for married filing jointly applies to taxable income
over:
A) $693,750
B) $731,200
C) $741,200
D) $751,600 (correct answer)
Rationale: The 2025 inflation-adjusted threshold for the 37% bracket for married filing jointly
taxpayers is $751,600. Tax brackets are adjusted annually for inflation under IRC §1(f).
,6. Which of the following correctly describes the 2025 FICA tax structure for employees?
A) 6.2% Social Security on all wages, 1.45% Medicare on all wages
B) 6.2% Social Security on wages up to $168,600, 1.45% Medicare on all wages
C) 6.2% Social Security on wages up to $176,100, 1.45% Medicare on all wages (correct
answer)
D) 6.2% Social Security on wages up to $176,100, 2.35% Medicare on all wages
Rationale: For 2025, the Social Security wage base increased to $176,100. The employee pays
6.2% Social Security tax on wages up to this amount plus 1.45% Medicare on all wages. The
additional 0.9% Medicare surtax applies to high-income individuals, not as a base rate.
7. The Additional Medicare Tax of 0.9% applies in 2025 to wages and self-employment
income exceeding:
A) $125,000 for all filers B) $200,000 for MFJ and $125,000 for single C) $250,000 for single
and $200,000 for MFJ D) $200,000 for single/$250,000 for married filing jointly (correct
answer)
Rationale: Under IRC §3101(b)(2), the 0.9% Additional Medicare Tax applies to wages
exceeding $200,000 (single) and $250,000 (MFJ). These thresholds are NOT indexed for
inflation and remain unchanged since 2013.
8. The Net Investment Income Tax (NIIT) rate under IRC §1411 for 2025 is:
A) 0.9%
B) 2.5%
C) 3.8% (correct answer)
D) 4.5%
Rationale: The NIIT rate of 3.8% applies to the lesser of net investment income or the amount by
which modified AGI exceeds the applicable threshold ($200,000 single / $250,000 MFJ). This
rate is not scheduled for change in 2025.
, 9. The 2025 maximum Earned Income Tax Credit (EITC) for a taxpayer with three or
more qualifying children is approximately:
A) $6,935
B) $7,430
C) $8,046 (correct answer)
D) $8,400
Rationale: For 2025, the maximum EITC for taxpayers with three or more qualifying children is
$8,046, increased from $7,830 in 2024 due to inflation adjustments. The EITC is a refundable
credit under IRC §32.
10. Which filing status generally provides the lowest tax rate and most favorable
treatment?
A) Single
B) Married Filing Separately
C) Head of Household
D) Married Filing Jointly (correct answer)
Rationale: MFJ provides the widest tax brackets, highest standard deduction ($30,000 in 2025),
and eligibility for the most credits and deductions. It generally results in the lowest combined tax
liability for married couples.
11. A taxpayer qualifies for Head of Household filing status if they:
A) Are unmarried and have any dependent living with them
B) Are legally separated and maintain a home
C) Are widowed within the last 5 years
D) Are unmarried, paid more than half the cost of maintaining a home, and a qualifying
person lived there for more than half the year (correct answer)
