Below are the first 5 questions from the UPSC NDA 2024 (NDA 1) Mathematics paper. Practice each question below, check your answers, and read the step-by-step explanations written by our subject matter experts.

Question 1 of 5 UPSC Official PYQ

Let A and B be matrices of order 3 × 3. If |A| = 1/2² and |B| = 1/729,

then what is the value of

|2B[adj(3A)]| ?

Question 2 of 5 UPSC Official PYQ

If z is any complex number and iz³ + z² − z + i = 0,

where i = √(−1), then what is the value of

(|z| + 1)² ?

Question 3 of 5 UPSC Official PYQ

What is the sum of all four digit numbers formed by using all digits 0, 1, 4, 5 without repetition of digits?

Question 4 of 5 UPSC Official PYQ

If x, y and z are the cube roots of unity, then what is the value of xy + yz + zx?

Question 5 of 5 UPSC Official PYQ

A man has 7 relatives (4 women and 3 men). His wife also has 7 relatives (3 women and 4 men). In how many ways can they invite 3 women and 3 men so that 3 of them are man’s relatives and 3 of them are his wife’s relatives?

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The full NDA 2024 (NDA 1) Mathematics PYQ paper contains 120 questions. Practice all of them with timers, performance analytics, and immediate explanations on the SenaPrep App.

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