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Question

Solve: If 8x + 5y = 9 and 3x + 2y = 4, find the value of x.
A.-2
B.5
C.2
D.-5

This question was previously asked in
RRB NTPC 2015 CBT 1 Question Paper PDF (2-Apr-2016) (Shift 3)
The correct answer is

A

This question tests the standard Linear Equations concept and its direct application to the stated values.

The given quantities are substituted into the standard formula or relation, and the expression is simplified step by step following BODMAS/identity rules.

Carrying out the calculation yields the required value: -2.

Hence, the correct answer is -2.

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Important Questions from Circular Measure of Angles

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