Question is ⇒ The system of linear equations 4x + 2y = 1 , 2x + y = 6 has, Options are ⇒ (A) a unique solution, (B) no solution, (C) an infinite number of solutions, (D) exactly two distinct solutions, (E) , Leave your comments or Download question paper.

Question is ⇒ The system of linear equations 4x + 2y = 1 , 2x + y = 6 has, Options are ⇒ (A) a unique solution, (B) no solution, (C) an infinite number of solutions, (D) exactly two distinct solutions, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The system of linear equations 4x + 2y = 1 , 2x + y = 6 has
A.	a unique solution [Wrong Answer]
B.	no solution [Correct Answer]
C.	an infinite number of solutions [Wrong Answer]
D.	exactly two distinct solutions [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ The binary number 0.10110111101 is equal to hexadecimal number
B3A
B5A
B7A
BA7

⇒ A resistance is measured by voltmeter-ammeter method. The voltmeter is 0-250V, ± 1% accuracy and ammeter is 0-5 A, ± 1 % accuracy. The readings of voltmeter and ammeter are 100 V and 2 A respectively. The error in the measured resistance can be
± 1%
± 2%
± 5%
± 10%

⇒ In the circuit of figure the current through C at t = &infin
0.166666666666667
2.5 A
3.1 A
0

⇒ Which of the following logic no resistors are used?
CMOS
TTL
4 n sec ECL
8 sec ECL

⇒ In a turnstile antenna two-half wave resonant wire radiators are placed at 90° to each other in the same plane and are excited
in phase
in phase opposition
90° out of phase with each other
45° out of phase with each other

⇒ In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then
amplitude of distant sidebands decreases
amplitude of distant sidebands increases
amplitude of distant sidebands remains constant
amplitude of distant sidebands first increases, then decreases

⇒ In a linear bilateral passive element two port which of the following holds for z parameters?
z₁₁ = z₂₂
z₁₂ z₂₂ = z₁₁ z₂₂
z₁₁ z₁₂ = z₂₂ z₂₁
z₁₂ = z₂₁

⇒ In the given figure the reflected voltage wave after first reflectio
18 V
-18 V
30 V
-30 V

⇒

Assertion (A): Ferrites are very useful at very high frequencies.

Reason (R): Ferrites have high permeability and high resistivity.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true

⇒ The unit of permeability is
T
Wb
H/M
H

⇒ Strength of space wave is not dependent on distance.
TRUE
FALSE

⇒ The distance of a direct broadcasting satellite from earth's surface is about
1000 km
10000 km
36000 km
55000 km

⇒ The materials not having negative temperature coefficient of resistivity are
metals
semiconductors
insulators
none of the above

⇒ A binary with a digits, all of which are unity has the value
n² - 1
2ⁿ
2(^{n - 1})
2ⁿ - 1

⇒ Which of these triggering methods for series connected SCRs use LASCR in the gate circuit?
Resistance triggering
Simultaneous triggering
Sequential triggering
Optical triggering

⇒ A dc separately excited motor has constant field current. The armature is fed from a single phase supply through a full converter. When a = 0, speed is 500 rpm. If a = 45°, the speed is likely to be
about 350 rpm
about 250 rpm
about 175 rpm
about 125 rpm

⇒

Assertion (A): In a differential amplifier the current through common emitter resistor is called tail current

Reason (R): CMRR of an op-amp indicates how a differential signal amplified

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ An FM signal with deviation δ is passed through mixer. Its frequency is reduced five fold. The deviation in output of mixer is
0.28
δ
5 δ
very very high

⇒ Examine the following statements

Pneumatic systems are fire proof.
Pneumatic systems are explosion proof.
Hydraulic systems are explosion proof.
Hydraulic systems are fire proof.

Which of the above statements are correct?
1 only
1 and 2 only
1 2, 3, 4
2, 3, 4 only

⇒ Which of the following are included in the architecture of computer?

Addressing mode, design of CPU
Instruction set, data format
Secondary memory, operating system

Select the correct answer using the codes given below:
1 and 2
2 and 3
1 and 3
1, 2 and 3

⇒ Many circles are drawn in a Smith chart used for transmission line calculations. The circle shown in the figure represe
unit circles
constant resistance circles
constant reactance circles
constant reflection coefficient circles

⇒ Two transistors have same value of a but different gain (G) bandwidth (B) product. The transistors have similar geometry. However one of them is germanium and the other is silicon. The transistor with lower GB product
is germanium
is silicon
may be either of two
cannot be identified on the basis of above data

⇒ A Hall effect transducer has K_H = - 1 x 10^-8. If B = 1 Wb/m², I = 3 A and bismuth slab is 2 mm wide, the Hall voltage is
-7.5 x 10^-6 V
-15 x 10^-6
-20 x 10^-4 V
-22.5 x 10^-4 V

⇒ Which is not purpose of modulation?
Effective radiation
Multiplexing
Narrow band
Increase in signal power

⇒ In an amplitude modulated waveform, the amplitude of the sideband is
independent of the carrier amplitude
independent of the modulation index
carrier amplitude x modulation index
1/2 carrier amplitude x modulation index

⇒ Which of the following flip-flop do not have race problem?
T flip-flop
D flip-flop
JK flip-flop
Master-slave flip-flop

⇒ Absolute instruments are used in
laboratories
industries
power houses
standard laboratories

⇒ Which of the following is abnormal variation in ionosphere?
Diurnal variation
Seasonal variation
Ionospheric storms
None of the above

⇒ 268₁₀ = __________ .
10A₁₆
10B₁₆
10C₁₆
10D₁₆

⇒ In figure, a voltmeter of internal resistance 1200 Ω is connected across 600 Ω resistance and it reads 5 V. The value of
1200 Ω
2400 Ω
3600 Ω
7200 Ω