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99051.

State the properties  of water that are different  from hydrides of group 16

Answer»
  • Due to high electronegativity of oxygen,O-H bonds in H2O forms intermolecular hydrogen bonding
  • Thus, water shows unusual physical properties such as high thermal stability, high boiling point., weaker acidic character as compared to the other hydrides of group 16.
99052.

Find the difference between the sum of first 4 even natural numbers and first 3 odd natural numbers.1. 92. 103. 114. 12

Answer» Correct Answer - Option 3 : 11

Given:

First 4 even natural numbers.

First 3 odd natural numbers.

Formula used:

Sum of first 'n' even natural numbers = n(n + 1)

Sum of first 'n' odd natural numbers = n2

Calculations:

Sum of first '4' even natural numbers = 4(4 + 1)

⇒ 20

Sum of first '3' odd natural numbers = (3)2 = 9

Difference = (20 - 9)

⇒11

∴ The difference between the sum of first 4 even natural numbers and first 3 odd natural numbers is 11.

99053.

661 + 663 + 664 is divisible by1. 1532. 3533. 2534. 243

Answer» Correct Answer - Option 3 : 253

Given: 

The number is 661 + 663 + 664

Calculation: 

661 + 663 + 664

Take 661 common from the given number 

⇒ 661(1 + 62 + 63)

⇒ 661(1 + 36 + 216)

⇒ 661 × 253

Here, we clearly see the number is product of 661 × 253

Then, the number is must divisible by 253 and 661

∴ The required answer is 253.

99054.

When the base of the logarithm is 2, then the unit of measure of information is a) Bits b) Bytes c) Nats d) None of the mentioned

Answer»

a) Bits 

When the base of the logarithm is 2 then the unit of measure of information is bits.

99055.

Corresponding sides of two similar triangles are in the ratio 4 ∶ 9, then what is the ratio of the areas of these triangles ?

Answer»

Given that the sides of similar triangles are in the ration 4 ∶ 9.

We know that “ If two triangles are similar to each other, then the ratio of the areas of these triangles will be equal to the square to the ratio of the corresponding sides of these triangles.”

Therefore, ratio between the areas of these triangles = \((\frac{4}{9})^2=\frac{16}{81}=16:81.\)

Hence, the ratio between the areas of these triangles is 16 ∶ 81.

99056.

The difference between two numbers is 26 and one number is three times the other. Find the numbers.

Answer»

Let the bigger number is x and smaller number is y. 

Given that difference between both numbers is 26. 

∴ x – y = 26. … (1) 

Given that one number is three times the other 

Therefore, x = 3y. … (2) 

Now, putting x = 3y in equation (1), we get 3y – y = 26 

⇒ 2y = 26 ⇒ y = \(\frac{26}{2}\) = 13. 

Now, putting y = 13 in equation (2), we get 

x = 3 × 13 = 39.

Hence, the numbers are 13 and 39.

99057.

A mass of mass 60 kg hangs himself from a massless spring balance. Which itself suspneded from an ideal string-pulley system as shown in the figure. The stirng AB can bear maximum 900 N. Choose correct statement.A. The man is never ever able to read his correct weight in the spring balance.B. If man is able to manage himself at rest, the spring balance reads his true weight.C. The maximum magnitude of accelerationman can manage is 12.5 `m//s^(2)` while moving upward.D. When man moves downward with acceleration `5m//s^(2)` the spring balance will read 40 kg.

Answer» Correct Answer - C
`2T-Mg+T=MaimpliesMg-3T=Maimplies3T=M(g-a)` ..(i)
2T=kx
`T=(M(g+a))/(3)`
Reading of spring balance `=(kx)/(g)=(2T)/(g)={{:((2M(g+a))/(3g),("When moving upward")),((2M(g-a))/(3g),("When moving downward")):}`
99058.

If n(A) = 3, then find n[P(A)].

Answer»

n(A) = 3 then n[p(A)] = 23 = 8 elements.

99059.

A super heterodyne radio receiver with an intermediate frequency of 455 KHz is tuned to a station operating at 1200 KHz. The associated image frequency is----------- KHz

Answer»

In most receivers the local oscillator frequency is higher than incoming signal i.e. 

f0 = fs + fsi 

f0 – Local oscillator frequency fs = Signal freq fsi = Image freq 

fsi = fs + 2IF 

= 1200+910 = 2110 KHz

99060.

On passing electricity the amount of the substance deposited depends upon (1) shape of electrodes (2) size of vessel (3) quantity of electricity that passes through the electrolyte (4) all of the above

Answer»

On passing electricity the amount at the substance deposited. It depends on the quantity of electricity that passes through the electrolyte.

99061.

The image channel selectivity of super- heterodyne receiver depends upon (a) IF amplifiers only (b) RF and IF amplifiers only (c) Pre selector, RF and IF amplifiers (d) Pre selector and RF amplifiers

Answer»

(d) Pre selector and RF amplifiers

Image rejection depends on front end selectivity of receiver and must be achieved before If stage. So image channel selectivity depends upon pre selector & RF amplifier. If it enters IF stage it becomes impossible to remove it from wanted signal.

99062.

Far A) nearby B) near C) distant D) close

Answer»

Correct option is C) distant

99063.

Which of the following are some distinctive features of Mohanjodaro?1. It was a planned Urban city in which the lower town was also walled.2. Grid pattern drainage system intersecting at right angles.3. Every house had its own bathroom paved with bricks, with drains connected through the wall to the street drains.4. Houses were a build-up to the ground floor as no remains of the staircase have been found.1. 1, 2 and 3 only2. 2, 3 and 4 only3. 1, 3 and 4 only4. 1, 2 and 4 only

Answer» Correct Answer - Option 1 : 1, 2 and 3 only

The correct answer is 1, 2, and 3 only.

  • It is a planned settlement that is divided into two sections, one smaller but higher (Citadel) and the other much larger but lower (Lower Town).
  • The Citadel owes its height to the fact that buildings were constructed on mud-brick platforms.
    • It was walled, which meant that it was physically separated from the Lower Town.
    • It had structures that were probably used for special public purposes.
  • The Lower Town was also walled. Several buildings were built on platforms, which served as foundations. Hence, Statement 1 is correct.
  • Signs of planning: bricks, which, whether sun-dried or baked, were of a standardized ratio, where the length and breadth were four times and twice the height respectively.
  • The most distinctive feature of Harappan cities was the carefully planned drainage system.
    • The roads and streets were laid out along an approximate “grid” pattern, intersecting at right angles. Hence, Statement 2 is correct.
    • It seems that streets with drains were laid out first and then houses were built along with them.
  • ​The Lower Town at Mohenjodaro provides examples of residential buildings.
    • The courtyard was probably the center of activities such as cooking and weaving, particularly during hot and dry weather.
    • There are no windows in the walls along with the ground level.
    • The main entrance does not give a direct view of the interior of the courtyard.
    • Every house had its own bathroom paved with bricks, with drains connected through the wall to the street drains. Hence, Statement 3 is correct.
    • Some houses have remains of staircases to reach a second story or the roof. Hence, Statement 4 is incorrect.
    • Many houses had wells, often in a room that could be reached from the outside and perhaps used by passers-by
  • The citadel includes the warehouse: a massive structure of which the lower brick portions remain, while the upper portions, probably of wood, decayed long ago and the Great Bath.
99064.

David was POOR and had TO FIND his aunt. A) rich / to lose B) tall / to win C) short / to gather D) clever / to hide E) rich / to look for

Answer»

Correct option is A) rich / to lose

99065.

Have you replied _____ her letter? A) at B) to C) for D) with

Answer»

Correct option is B) to

99066.

How ________ is your house from the station? A) long B) distant C) near D) far E) close

Answer»

Correct option is D) far

99067.

The streets of Tashkent are WIDE and straight. A) broad B) beautiful C) narrow D) long E) plain

Answer»

Correct option is A) broad

99068.

Who was the founder of Brahma Samaj?1. Raja Ram Mohan Roy2. Swami Vivekananda3. Dayananda Saraswati4. Jyoti Ba Phule

Answer» Correct Answer - Option 1 : Raja Ram Mohan Roy

The correct answer is Raja Ram Mohan Roy.

  • Raja Rammohan Rai known as the "Founder of Indian Renaissance".
  • He established the "Brahma Samaj" in 1828 AD, which was based on modern western thoughts.
  • According to Brahma Samaj "The God is one and it was center and source of all good virtue".
OrganizationFounder

Arya Samaj

Swami Dayanand Saraswati

Aligarh movement

Sir Syed Ahmad Khan

Prarthana Samaj

Keshav Chandra Sen

99069.

I won’t waste time _____ to his letter. A) reply B) to reply C) replying D) to have replied

Answer»

Correct option is C) replying

99070.

The school he goes to is NEAR his house. A) closed B) far C) not far from D) about E) by

Answer»

Correct option is C) not far from

99071.

He was going to reply her letter, but for various reasons he never got ______ it.A) up to B) round to C) over D) out of

Answer»

Correct option is B) round to

99072.

They ______ us just because we’re poor. A) look down at B) look down for C) look down on D) look down over

Answer»

Correct option is C) look down on

99073.

The founder of Brahma Samaj. (A) Ram Mohan Roy (B) Swami Vivekananda (C) Swami Dayananda Saraswati

Answer»

Correct option is (A) Ram Mohan Roy 

99074.

She let the children ________ to play. A) going out B) that they went out C) to go out D) go out

Answer»

Correct option is D) go out

99075.

We look ______ to receiving a prompt reply to our letter. A) round B) through C) after D) forward

Answer»

Correct option is D) forward

99076.

There was an old man in a barge, whose nose was exceedingly LARGE. A) tiny B) huge C) minute D) wide E) small

Answer»

Correct option is B) huge

99077.

Sarada Sadan in Bombay for women’s education was established by. (A) Annie Besant (B) Mira Bai (C) Rema Bai

Answer»

Correct option is (C) Rema Bai

99078.

She is very important to him. He wouldn’t get ______ without her. A) over B) by C) down D) round

Answer»

Correct option is B) by

99079.

Find the words which are out of the logic list:A) fear B) fright C) calm D) alarm

Answer»

Correct option is C) calm

99080.

Her father didn’t let her ________ out with him. A) to go B) go C) going D) that she went

Answer»

Correct option is B) go

99081.

Find the synonym of words written in capitals.Disagreement A) poise B) conflict C) harmony D) stamina

Answer»

Correct option is B) conflict

99082.

My wife ______ a squirrel on her way to work this morning. A) ran over B) ran up C) ran out of D) ran off

Answer»

Correct option is A) ran over

99083.

Find the word which is out of the logic list:A) thick B) enormous C) immense D) huge

Answer»

Correct option is A) thick

99084.

Who founded Arya Samaj?(A) Swami Vivekananda (B) Swami Dayananda Saraswati (C) Ram Mohan Roy

Answer»

Correct option is (B) Swami Dayananda Saraswati 

99085.

I wouldn’t rely ________ him if I were you. A) to B) for C) on D) in

Answer»

Correct option is C) on

99086.

To not be able to speak or move because of fright or worry is the same as to ______ up. A) keep B) freeze C) hang

Answer»

Correct option is B) freeze

99087.

I can hardly hear that radio. Could you ______ (increase/raise) the volume please. A) put up B) switch on C) give out D) turn up

Answer»

Correct option is D) turn up

99088.

Find the synonym of words written in capitals.Enormous A) tidy B) shoddy C) mini D) huge

Answer»

Correct option is D) huge

99089.

Discuss the role of newspapers in a democratic system.

Answer»
  • Disseminate news from all parts of the world. 
  • Formulate opinion to strengthen democracy.
  • All the actions and policies of the government are subjected to criticism. 
  • Play the role of a constructive opposition. 
  • Disseminate scientific knowledge. 
  • Make the people aware of the social problems
99090.

The newspaper ‘Kesari’ was published by(A) Lala Lajpat Rai (B) Bal Gangadhar Tilak (C) Dadabai Naoroji

Answer»

Correct option is (B) Bal Gangadhar Tilak 

99091.

Find the synonym of words written in capitals.Hang on A) rely on B) hold on C) keep on D) count on

Answer»

Correct option is D) count on

99092.

Who published the newspapers ‘Young India’ and ‘Harijan ’? (A) Annie Besant (B) Surendranath Banerji (C) Mahatma Gandhi

Answer»

Correct option is (C) Mahatma Gandhi

99093.

The first Indian Women University in Maharashtra was started by (A) Aurabindo Ghosh (B) D.K.Karve (C) G. GAgarkar

Answer»

Correct option is (B) D.K.Karve 

99094.

Paul saw the ball not far off. He ran up to it and, turning, kicked it. But the grass was wet, and he couldn't kick it clearly. _____ Everyone in the other team was happy, but his own team was very sad. A) Obviously, this was the first match of the season. B) Yet he was very pleased with himself. C) In fact, the ball was very muddy. D) So the ball went straight into his own goal. E) Then the referee blew his whistle. 

Answer»

Correct option is D) So the ball went straight into his own goal.

99095.

Find the synonym of words written in capitals.Take away A) spread B) distribute C) hand over D) remove

Answer»

Correct option is D) remove

99096.

The British Viceroy who enacted the Vernacular Press Act in 1878 (A) Lord Lytton (B) Lord Rippon (C) Lord Macaulay

Answer»

Correct option is (A) Lord Lytton 

99097.

Who enacted the Vernacular Press Act? Why?

Answer»
  • The Vernacular Press Act was enacted by Lord Lytton in 1876. 
  • The British realized the power of the Indian Press. So they decided to impose stringent measures to control them. The aim of the Vernacular Press Act was to curb the freedom of press in regional languages.
99098.

Find the synonym of words written in capitals.Outcome A) arrival B) exit C) result D) commence

Answer»

Correct option is C) result

99099.

Who is known as the ‘Liberation of the Indian Press ’? (A) William Bentick(B) Lord Lytton (C) Charles Metcalf

Answer»

Correct option is (C) Charles Metcalf

99100.

The leader of ‘Self Respect Movement ’ (A) E. V.Ramaswamy Naicker (B) Sree Narayana Guru (C) Jyotiba Phule

Answer»

Correct option is (A) E. V.Ramaswamy Naicker