CUET-General Aptitude-11/05/2025

CUET-General Aptitude-11/05/2025

CUET-General Aptitude-11/05/2025

Dear Students, we welcome you in our post CUET-General Aptitude-11/05/2025.

In all previous years’ exams, there is at least one question on ‘identities’.

Today’s CUET-General Aptitude-11/05/2025 post will demonstrate how to solve questions based on identities:

Q 3733) The value of 104² is

(A) 10861       (B) 10816     (C) 10860     (D) 10806

Ans: (B) 10816

Hint: Use the identity (a+b)² = a²+2ab+b²

(104)² = (100+4)²

100² + 2x100x4 +4² = 10816

Q 3734) The value of (2b²+9) (2b²+5) is —

(A) 4b4 +28b² + 45  (B) 4b²+28b²+45  (C) 4b+28b+45  (D) 4b+28b²+45

Ans: 4b4 +28b² + 45

Hint: Use the identity (x+a) (x+b) = x²+(a+b)x +ab

Q 3735) The value of 12.1² – 7.9² is

(A) 79    (B) 81      (C) 83     (D) 84

Ans: (D) 84

Hint: Use the identity a²- b² = (a + b) (a – b)

Q 3736) The value of (1.02)² – (0.98)² is

(A) 0.08     (B) 0.80    (C) 2.00   (D) 1.04

Ans: (A) 0.08

Hint: Use the identity a²- b² = (a + b) (a – b)

Q 3737) The value of (4.9)² is

(A) 24.01       (B) 24.10      (C) 24.09     (D) 24.001

Ans: (A) 24.01

Hint: Use the identity (a-b)² = a²-2ab+b²

(4.9)² = (5.0 – 0.1)² = (5.0)² – 2×5.0x 0.1 + (0.1)²

= 25.00 -1.00 + 0.01

Q 3738) The value of 5a(-4ayz) is?

(A) 20a3    (B) 27.04    (C) -15ab    (D) -20a²yz

Ans: (D) -20a²yz

Q 3739) The value of 5a x 4a² is?

(A) 20a3    (B) 27.04    (C) -15ab    (D) -20a²yz

Ans: (A) 20a3

Q 3740) The value of 5.2² is?

(A) 20a3    (B) 27.04    (C) -15ab    (D) -20a²yz

Ans: (B) 27.04

Q 3741) The value of 5a x (-3b) is?

(A) 20a3    (B) 27.04    (C) -15ab    (D) -20a²yz

Ans: (C) -15ab

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General Aptitude
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By Vimal Kumar Tulsyan

Vimal Kumar Tulsyan is a commerce graduate with more than 10 years of teaching experience in reasoning and aptitude. He founded the CUET NOW in September 2023. Its website, cuetnow.com provides students with free CUET UG GAT preparation resources and important MCQs to help them secure excellent marks in the CUET.

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