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JEE • MATHEMATICS • ERRORS & APPROXIMATION

Errors & approximation practice · Hard

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Practice format and chapter quiz

These sets use single-correct-answer MCQs. They do not cover every JEE Main or JEE Advanced question format and are not full-length mock papers.

1 Hard

1 of 2

Application +4 | -1

The percentage error in calculating the volume of a cubical box if an error of

1 \%

is made in measuring the length of edges of the cube, is

View answer and explanation

Correct option: C

3 \%

Option C (3%) is correct because the percentage error in volume is approximately three times the percentage error in the edge length.

2 Hard

2 of 2

Application +4 | -1

The area of a triangle is computed using the formula

S=\frac{1}{2} b c \sin A

. If the relative errors made in measuring

b, c

and calculating

S

are respectively

0.02,0.01

and

0.13

the approximate error in

A

when

A=\pi / 6

, is

View answer and explanation

Correct option: A

0.05

radians

Option A (0.05 radians) is correct because it represents the approximate error in angle A, calculated using the given relative errors.

Revision notes and key takeaways

Review ERRORS & APPROXIMATION in your textbook or class notes, then use this set to check your understanding.

Key Takeaways

✓ This set contains 2 single-correct-answer MCQs on ERRORS & APPROXIMATION.
✓ Try each question before opening its answer. Read the explanation where one is available.
✓ Sign in to save submitted answers. Revisit incorrect answers alongside your textbook or class notes.

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