Exams Questions and Answers

Q:

How many iron rods, each of length 7 mts and diameter 2 cms can be made out of 0.88 cubic metre of iron ?

A) 500	B) 600
C) 400	D) 300

Answer & Explanation Answer: C) 400

Explanation:

Given length of iron rod =7 mts and and diameter of rod = 2 cms

=> r = 1/100 mts

Therefore, Volume of one rod = ${πr}^{2} h$ cu. m = $(\frac{22}{7} \times {[\frac{1}{100}]}^{2} \times 7)$ cu. m = $\frac{11}{5000}$ cu. m

Given volume of iron = 0.88 cu. m

Therefore, Number of rods = $(0.88 \times \frac{5000}{11})$ = 400.

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Filed Under: Volume and Surface Area
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17 13878

Q:

Detect an error part labelled (1), (2), (3) & (4) in the following question.

$\frac{w h o l e n o r t h e r n s t a t e s i n}{(1)} / \frac{i n d i a a r e r e e l i n g u n d e r t h e}{(2)} / \frac{d e v a s t a t i n g}{(3)} / \frac{o f t h e d r o u g h t}{(4)}$

A) 1	B) 2
C) 3	D) 4

Answer & Explanation Answer: A) 1

Explanation:

Error is in the first part of the sentence. 'Whole' is used with singular nouns.
The correct sentence is - 'All Northern states in India are reeling under the devastating of the drought.

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Filed Under: Verification of Truth of the statement
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19 13864

Q:

Natural Rubber is a Polymer of

A) butadiene	B) 2methyl-1,3butadiene
C) ethylene	D) isoprene

Answer & Explanation Answer: D) isoprene

Explanation:

Natural Rubber is a Polymer derived from Isoprene.

rubber-bands-503028_6401547100511.jpg image

Natural rubber is an addition polymer that is obtained as a milky white fluid known as Latex from a Tropical Rubber Tree.

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Filed Under: Chemistry
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37 13864

Q:

Read the following puzzle carefully, answer the question asked below ?

Seven person K, L, M, N, O, P & Q likes seven colours. Yellow, White, Red, Orange, Blue, Gray and Black. They visit in different days starting from Monday to Sunday.

1) K visits one day after Thursday.

2) Only 4 people are in between K and L

3) The one who likes Red colour visits immediately after L.

4) Only one person visit between Red and Blue

5) The one who like white colour visit before one of days on which day M visits

6) The one who like white colour does not visit on Monday.

7) Only 1 person is in between N and O. N like Yellow.

8) There are same as many person in between K and Blue colour which are one less in between L and M.

9) Neither Q nor P likes Black.

10) Q does not visit on Saturday and does not like grey colour.

Question :

Who visits on Sunday and Tuesday and their favourite colors ?

A) P & M	B) N & K
C) K & L	D) P & Q

Answer & Explanation Answer: C) K & L

Explanation:

Monday - N - Yellow

Tuesday - L - White

Wednesday - O - Red

Thursday - Q - Orange

Friday - M - Blue

Saturday - P - Grey

Sunday - K - Black

From the above table,

K & L visits Sunday & Tuesday and their favourite colors are Black and white respectively.

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Filed Under: Deriving Conclusions From Passages
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12 13863

Q:

A number increased by 30% gives 390. The number is

A) 180	B) 300
C) 480	D) 260

Answer & Explanation Answer: B) 300

Explanation:

Let the number be 'N'
Given N + 30N/100 = 390
=> 130N/100 = 390
=> N = 390 x 10/13
=> N = 300.

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Filed Under: Percentage
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16 13858

Q:

To copy cell contents using drag and drop press the

A) Shift key	B) Alt key
C) End key	D) Ctrl key

Answer & Explanation Answer: D) Ctrl key

Explanation:

Ctrl key is to be pressed To copy cell contents using drag and drop.

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Filed Under: Computer
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15 13847

Q:

The first tiger reserve in India to officially introduce a mascot, which has been named Bhoorsingh the Barasingha is

A) Sunderbans Tiger Reserve	B) Bandhavgarh Tiger Reserve
C) Kanha Tiger Reserve	D) Corbett Tiger Reserve

Answer & Explanation Answer: C) Kanha Tiger Reserve

Explanation:

The Kanha Tiger Reserve in Madhya Pradesh has become the first Tiger reserve in India to officially introduce a mascot, which has named Bhoorsingh the Barasingha.

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Filed Under: Animals and Birds
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34 13825

Q:

The Basic Architecture of Computer was developed by

A) Charles Babbage	B) Blaise Pascal
C) Garden Moore	D) John Von Neumann

Answer & Explanation Answer: D) John Von Neumann

Explanation:

Computer Architecture refers to how a computer system is designed and what technologies it is compatible with. In brief, Computer architecture is a specification detailing how a set of software and hardware technology standards interact to form a computer system or platform.

comp1518074667.jpg image

The Von Neumann Architecture, which is also known as the Von Neumann Model and Princeton architecture, is a computer architecture based on the 1945 description of computer by the mathematician and physicist John von Neumann.

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Filed Under: General Awareness
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