Exams


Q:

If SinX-CosX=1, where 'X' is an acute angle, the value of SinX+CosX is

A) 0 B) 1
C) 1/2 D) 2
 
Answer & Explanation Answer: B) 1

Explanation:
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Q:

Which molecule is used up in photosynthesis?

A) Water B) Carbohydrates
C) Oxgen D) Sugar
 
Answer & Explanation Answer: A) Water

Explanation:

The first step in photosynthesis is to split the water molecule using sun light.

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Filed Under: Chemistry
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Q:

The President of the Indian Olympic Association, N Ramachandran, was awarded the Plympic Order for his outstanding services to ___

A) Athletics B) The Olypic movement
C) Hockey D) Football
 
Answer & Explanation Answer: B) The Olypic movement

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Q:

In each of the following questions, a question is followed by information given in them Statements I, II and III. You have to study the question along with the statements and decide the information given in which or the statements/ is necessary to answer the question. 

What is the cost of flooring the rectangular hall?

I. Length and the breadth of the hall are in the ratio of 3:2

II. Length of the hall is 48 m and cost of flooring is ₹ 850 Per sq.m.

III. Perimeter of the hall is 160 m and cost of flooring is ₹ 850 per sq m

A) I and II B) I and III
C) Only III D) I and either II or III
 
Answer & Explanation Answer:

Explanation:

From I and II,
Length = 3x = 48 m
∴ x = 16
Breath = 2x = 32 m
Hence, Area of floor = 48 × 32
Cost of flooring = 48 × 32 × 850 = ₹ 1305600
From I and III, 2(l +b) = 160
2(3x + 2x) = 160
10x = 160
∴ x = 16
∴ Length = 3 × 16 = 48 m
Breadth = 2x = 32m
Cost of flooring = (48 × 32) × 850 = ₹ 1305600
Similarly, from II and III, we can find
l = 48 m
b = 32 m
and Total cost of flooring = ₹ 1305600

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Q:

The following pie chart shows information on sales of a toy making company "XYZ" during 2017-18 financial year.

The total revenue made by sales of the toys was ? ₹ 38,72,0004 Which type of toys made highest revenue for the company?

A) Toddler toys B) Musical toys
C) Soft toys D) Learning blocks
 
Answer & Explanation Answer: B) Musical toys

Explanation:
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Filed Under: Pie Charts
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Q:

Square of (3x – 5xy) is

A) 9x2 - 30x2y + 25x2y2 B) 9x2 - 15x2y + 25x2y2
C) 25x2 - 15x2y + 9x2y2 D) 25x2 - 30x2y + 9x2y2
 
Answer & Explanation Answer: A) 9x2 - 30x2y + 25x2y2

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Q:

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Mealy mouthed

A) Foolishly ideal B) Speaking harshly
C) Unwilling to state something D) To speak something straightforwardly
 
Answer & Explanation Answer: C) Unwilling to state something

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Filed Under: English
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Q:

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Foot the bill

A) To get good discount on a total bill B) To pay for something
C)  To manipulate the bill D) To avoid paying for little expenses
 
Answer & Explanation Answer: B) To pay for something

Explanation:
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