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Unit 5 · Mathematical Reasoning and Aptitude Paper 1 · 28 June 2025 Morning

Arrange the following in increasing order of their values.
A. 160.32 × 40.36
B. (1/25) [81/3 + 271/3]2
C. (1024)−1/5
D. (8/125)−1/3
Choose the correct answer from the options given below:
निम्नलिखित को उनके मानों के बढ़ते क्रम में व्यवस्थित कीजिए।
A. 160.32 × 40.36
B. (1/25) [81/3 + 271/3]2
C. (1024)−1/5
D. (8/125)−1/3
नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:

Pick an option to check yourself, or open the answer below.

Show answer & explanation

Correct answer: D. C < B < D < A

Explanation

A = 24(0.32) × 22(0.36) = 21.28+0.72 = 22 = 4. B = (1/25)(2 + 3)2 = 25/25 = 1. C = (45)−1/5 = 1/4 = 0.25. D = (125/8)1/3 = 5/2 = 2.5. Increasing order: 0.25 < 1 < 2.5 < 4, i.e. C < B < D < A.A = 24(0.32) × 22(0.36) = 21.28+0.72 = 22 = 4। B = (1/25)(2 + 3)2 = 25/25 = 1। C = (45)−1/5 = 1/4 = 0.25। D = (125/8)1/3 = 5/2 = 2.5। बढ़ता क्रम: 0.25 < 1 < 2.5 < 4, अर्थात् C < B < D < A।

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