What of the following is the lightest in weight?
DMRC Electronics Engineering Paper-1 2014
Study the following information and answer the questions given below it.
A blacksmith has five iron articles M, N, O, P and Q each having a different weight.
• M weighs twice as much as N.
• N weighs four and a half times as much as O.
• O weighs half as much as P.
• P weighs half as much as Q.
• Q weighs less than M but more than O.
Q is lighter in weight than which of the other two articles:
Which of the following articles is the heaviest in weight?
For the following questions answer them individually
The difference between the simple and compound interest on a certain sum for 3 years at 10% p.a. is ` 46.5, then which of the following is the sum?
By selling 18 chocolates, a vendor loses the selling price of 2 chocolates. Find his loss percent:
The length, breadth and height of a room in the shape of a cuboid is increased by 10%, 20% and 50% respectively. Find the percentage change in the volume of the cuboid:
Keshav is travelling by car at the rate of 40 km/h. After 80 km he rests for 20 minutes. How long will he take to cover a distance of 240 km:
A job has to be completed by 12 boys in 15 days. If three boys are absent from the first day, then by what percentage should the remaining boys increase their rate of working to complete the job?
The income of Anil, Firoz and Ketan are in the ratio 7:9:12 and their spending are in the ratio 8:9:15. If Anil saves 1/4 of his income, then the saving of Anil, Firoz and Ketan are in the ratio:
Ramesh started a business with a capital of ₹ 2100. After 4 months he admitted another partner Sujeet. What amount should Sujeet put in, So that the profit may be divided equally at the end of the year?
Pointing to a photograph of a boy Lokesh said, “He is the son of the only son of my mother”. How is Lokesh related to the boy?
If ‘dog’ is ‘cat’, ‘cat’ is ‘rat’, ‘rat’ is ‘mat’, ‘mat’ is ‘cow’, then which one of the following is not an animal?
Complete the series by choosing the correct option.
ELFA, GLHA, ILJA, _____, MLNA
In some cars, there is the warning on external rear view mirrors “Objects are closer than they appear in mirror”. What type of mirrors are used in such cases?
Equinox is the position when sub solar point fall’s on:
The super computer of India Param Yuva - II has been developed by:
Which one is not an epic?
In history, the name of prince Khurram, came to be known as:
Public Accounts Committee is constituted ......... year and it consists of not more than ......... members consisting of ......... members elected by Lok Sabha and not more than ......... members from Rajya Sabha. ......... was appointed the chairman of Public Accounts Committee recently:
Identify among the following the Chinese investigating Journalist who was awarded the prestigious ‘Ramon Magsaysay Awards for 2014:
This is a ground penetrating radar and will provide centimeter scale resolution of the geologic structure of the subsurface. This is among the seven selected payloads that
will be sent to Mars 2020 rover mission:
“Vistar” is the brand name of:
The film, ‘Bhaag Milkha Bhaag’, based on the life of Milkha Singh, an ace runner, was directed by the same person who directed
Identify the wrong match:
Sanskrit Granth ‘Hitopedesh’ was written by:
15 Children are standing in a row facing North. Ravi is to the immediate left of Prabha and is 8th from the left end. Arjun is second from the right end. Which of the following statements is not ture?
The proposals for the partition of India and Pakistan were contained in the:
A card is drawn from a pack of well shuffled deck of 52 cards and its probability is $$\frac{1}{4}$$ then which of the following is possible:
A candidate for election to the Rajya Sabha must be not less than:
Curie point is a temperature at which:
Gross National Product (GNP) of a country is sum of the market value of all goods and services produced in a year:
60% of the students in a school are boys. If the number of girls in the school is 300, then the number of boys is:
It is required to get 40% marks to pass an exam. A candidate scored 200 marks and failed by 8 marks. What were the maximum marks of that exam:
In a division sum, a student took 63 as divisor instead of 36. His answer was 24. The correct answer is:
The perimeter of an isosceles triangle is 42 cm and its base is $$1\frac{1}{2}$$ times each of the equal sides. Find the length of each side of triangle:
A quadrilateral with a pair of opposite sides parallel is called:
Find the total surface area of a cylinder having radius of the base 14 cm and height 30 cm.
A sum of ₹ 8,500 is to be divided among 5 men, 6 women and 8 boys in the ratio of 10:7:1. The share of one woman will be:
The average weight of 8 persons is increased by 2.5 Kg. This happens when one of the eight who weighed 56 Kg is replaced by a new man. The new man weighs:
If A = 26, SUN = 27 then CAT = ?
Anuraag is 40 m South-West of Vikram. Chiraag is 40 m South-East of Vikram, then Chiraag is in which direction of Anuraag?
In a certain code, BRAIN is written as $$∗ \% \div \# \times$$ and TEAR is written as $$+ \$ \div \%$$. How is NEAR written in that code?
Complete the following series.
3, __, 17, 24, 31, __, 45, __
How many times from 4 AM to 4 PM the hands of clock are at right angles?
Which of the following diagrams indicates the best relation between bakery, cake and biscuit?
Which one of the following statements is correct? Digital modulation techniques are used in satellite communication systems since:
How many bits are required to encode 32 level PCM:
The noise is more dominant in which of the following:
The phase velocity of wave propagating in a hollow metal wave guide is:
The magnitude of the open-circuit and short circuit input impedance of a transmission line are 100 ohm and 25 ohm respectively. The characteristic impedance of line is:
The line of sight communication requires transmit and receive antenna to face each other. If the transmit antenna is vertically polarized, for the best reception the receive
antenna should be:
A network contains linear resistance and ideal voltage source. If the value of all the resistors are doubled, then the voltage across each resistor is:
Twelve 1 ohm resistances are used as edge to form a cube. The resistance between two diagonally opposite corners of the cube is:
An eight bit digital data 10101100 is fed to an ADC. The reference voltage is +10V. The analog output voltage will be:
A series RLC circuit has a resonant frequency of 1 KHz and a quality factor Q = 100. If each of the R,L and C is doubled from its original value, the new Q of the circuit is:
The input to a coherent detector is DSB-SC signal plus noise. The noise at the detector output is:
Gunn diode is a:
The intrinsic carrier concentration of silicon sample at $$300^\circ K$$ is $$2.5 \times 10^{16} /m^3$$. If after doping, the number of majority carriers is $$5 \times 10^{20} /m^3$$ , the minority carrier density is:
The unit of $$\triangledown \times H$$ is:
A PIN diode is:
11001, 1001 and 111001 correspond to the 2’s complement representation of which one of the following sets of number?
To couple a coaxial line to a parallel wire line, it is best to use a:
Which of the following is used extensively where lowest power consumption is necessary?
Reflex klystron is a:
If the radiated power of AM transmitter is 10 KW, the power in the carrier for modulation index of 0.6 is nearly:
The current through 8 ohms branch is:
JFET in properly biased condition acts as a:
The circuit shown in figure is best described as a:
Which amplifier will be preferred for highest gain?
The Boolean expression for the truth table shown is:
Without any additional circuitry, an 8:1 MUX can be used to obtain:
The resolution of a potentiometer should be:
Negative feedback in amplifier:
Spectral density expresses:
Which of the following is used as a data selector?
If a signal x(n)=x(-n), then it is called ____ signal:
The response of an LTI/LSI system is given by the _______ of input and impulse response:
Companders are used in communication systems to:
$$I_{CBO}$$ ICBO in a transistor can be reduced by reducing:
Light is confined within the core of a simple optical fiber by:
The complement of AB+BC’+CD’ is:
The following expression when simplified will become XY(X’YZ +X’Y’Z’+XY’Z)
In a PCM system of telemetry, the quantization noise depends on:
In PCM system, if we increase the quantization levels from 2 to 8, the relative bandwidth requirements will:
The modulation system inherently most noise resistant is:
Which of the following microphone does not require polarizing current?
The large signal bandwidth of an opamp is limited by its:
In an unclocked R-S flip flop made of NOR gates, the forbidden input condition is:
A phase-locked loop (PLL) is a feedback circuit consisting of a:
A 339 IC is an example of a fourteen-pin DIP that can be made to function as a ________:
Filters with the ______ characteristic are useful when a rapid roll-off is required because it provides a roll-off rate greater than -20/dB/decade/pole:
Which of the following applications include a phase-locked loop (PLL) circuit?
Rectification efficiency of a fullwave rectifier without filter is nearly equals to:
What is the voltage resolution of an 8- stage ladder network?
In which region is the operating point stable in tunnel diodes?
Which of the following diodes is limited to the reverse-bias region in its region of operation?
Which of the following semiconductor materials is (are) used for manufacturing solar cells?
If $$Y(s) = \frac{s^2 + 1}{s}$$, the network has:
When the temperature of a doped semiconductor is increased, its conductivity
Schering bridge is used to measure
A step voltage E is applied to a series R-L circuit. The rate of change of current is maximum at t = _:
PLAs, CPLDs, and FPGAs are all which type of device?
Holding current for an SCR is best described as:
What type of temperature coefficient do thermistors have?
In a microprocessor:
In 8085 microprocessor with memory mapped I/O which of the following is true?
A blank EPROM has:
One application of a digital multiplexer is to facilitate:
The coefficient of coupling between two coils is 0.45. The first coil has an inductance of 75 mH and the second coil has an inductance of 105 mH. What is the mutual inductance between the coils?
The fast carry or look-ahead carry circuits found in most 4-bit parallel-adder circuits:
To multiply a number by 8 in 8085 we have to use RAL instruction:
An energy signal has G(f) = 10. Its energy density spectrum is:
Feedback factor at the frequency of oscillation of a Wien bridge oscillator is:
A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 volts. What is the analog output for the input code 1010:
A quarter wave line open circuited at far end behaves as:
In a directional coupler:
In a circular waveguide the dominant mode is:
In a klystron amplifier the input cavity is called:
A loss less line of characteristic impedance $$Z_0$$ is terminated in pure reactance of $$-jZ_0$$ value. VSWR is
The velocity factor of a transmission line depends on:
