NDA · Mathematics · UPSC · 2025

Binary Numbers — NDA Mathematics PYQs

2 questions from this chapter, asked in 1 NDA exams between 2025.

2questions

1NDA exams

2025years covered

Questions asked per year

20252 Qs

Practice questions first 2 of 2 — free

Q1MCQ2025

Answer Logic

If $x = (1111)_{2}$ , $y = (1001)_{2}$ and $z = (110)_{2}$ , then what is $x^{3} - y^{3} - z^{3} - 3 x y z$ equal to?

(A)

(1111001)_{2}

(B)

(1001111)_{2}

(C)

(1)_{2}

(D)

(0)_{2}

Q2MCQ2025

Answer Logic

What is the sum of the binary numbers $(101101101)_{2}$ and $(100011)_{2}$ ?

(A)

(110010000)_{2}

(B)

(110001000)_{2}

(C)

(110000100)_{2}

(D)

(100100000)_{2}

Why practise Binary Numbers PYQs?

Binary Numbers has appeared in the 1 NDA Mathematics exam we track between 2025. UPSC examiners consistently reuse concepts and question patterns from this topic — practising its previous year questions is the most reliable way to know exactly what to expect in your exam.

Binary Numbers — NDA Mathematics PYQs

Questions asked per year

Practice questions first 2 of 2 — free

Why practise Binary Numbers PYQs?

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