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Q:

Asia's longest bi-direction road tunnel to be launched in ?

A) Jammu & Kashmir B) Delhi
C) Mizoram D) Maharashtra
 
Answer & Explanation Answer: A) Jammu & Kashmir

Explanation:
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Filed Under: General Awareness
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Q:

Which of the following became the first company to launch mobile payment service in India ?

A) Google B) Samsung
C) IBM D) Apple
 
Answer & Explanation Answer: B) Samsung

Explanation:

Samsung has become the first company in India to launch its mobile payment service named Samsung pay.

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Filed Under: General Awareness
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Q:

Leakage of which of the following gases caused the Bhopal gas tragedy ?

A) Carbon monoxide B) Methyl isocyanate
C) Nitrous oxide D) Hydrogen sulphide
 
Answer & Explanation Answer: B) Methyl isocyanate

Explanation:
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Filed Under: Chemistry
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Q:

Which one of the following is used to induce artificial rain ?

A) Potassium Nitrate B) Ammonium chloride
C) Calcium carbonate D) Silver lodide
 
Answer & Explanation Answer: D) Silver lodide

Explanation:
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Filed Under: Chemistry
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Q:

What is the difference between standard modules and class modules ?

Answer

Standard modules contain variables, procedures and functions that are accessible anywhere within the project. A class module contains properties and events, and is made accessible only by objects that were created as an instance of that class.

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Q:

A quantity of tea is sold at Rs. 5.75 per kilogram. The total gain by selling the tea at this rate is Rs. 60. Find the quantity of tea being sold if a profit of 15% is made on the deal ?

A) 72 kgs B) 80 kgs
C) 76 kgs D) 84 kgs
 
Answer & Explanation Answer: B) 80 kgs

Explanation:

Say total cost price of tea is x.
Then total profit at a rate of 15% is = (15x/100)
According to question,
15x/100 = 60
so x = 400
C.p of the tea is Rs. 400.
so total selling price will be = (400+60) = Rs.460
so the quantity of the tea will be = (460/5.75) = 80kg.

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Filed Under: Profit and Loss
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Q:

A rectangular block has the dimensions 5x6x7 cm it is dropped into a cylindrical vessel of radius 6cm and height 10 cm. If the level of the fluid in the cylinder rises by 4 cm, What portion of the block is immersed in the fluid ?

A) 22/7 x 24/35 B) 22/7 x 36 x 4
C) 22/7 x 36/5 D) 22/7 x 37/21
 
Answer & Explanation Answer: A) 22/7 x 24/35

Explanation:

Since level of water increased in cylinder by height 4. 

This is because of the rectangular block .

 

Therefore , area of rectangular block immersed in water is 

= 227×6×6×4  

Thats why portion of block immersed in water is 

= (22/7 * 36 * 4) / total vol. of rectangle 

= (22/7 * 36 * 4)/ (7*5*6) 

= (22/7 * 24)/ 35.

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Filed Under: Volume and Surface Area
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Q:

A thief steals half the total number of loaves of bread plus 1/2 loaf from a bakery. A second thief steals half the remaining number of loaves plus 1/2 loaf and so on. After the 5th thief has stolen there are no more loaves left in the bakery. What was the total number of loaves did the bakery have at the beginning ?

A) 21 B) 11
C) 17 D) 31
 
Answer & Explanation Answer: D) 31

Explanation:

Let y be the total number of loaves
a be the remaining loaves after 1st thief
b be the remaining loaves after 2nd thief
and c, d..so on after 3 and 4 th
e = 0 be the remaining loaves after 5th thief

a = y - (y/2 + 1/2)
= y/2 - 1/2

b = a - (a/2 + 1/2)
= a/2 - 1/2

c = b - (b/2 + 1/2)
= b/2 - 1/2

d = c - (c/2 + 1/2)
= c/2 - 1/2

e = d - (d/2 + 1/2)
= d/2 - 1/2
we know that, e = 0,
thus by substitution, we get
d = 1
c = 3
b = 7
a = 15
y = 31
Therefore total number of bread loaves in bakery was 31.

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Filed Under: Numbers
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