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Q:

The length of a rope in meter by which a cow must be tethered in order that she may be able to graze an area of 2826 sq.m is ?

A) 15 mts B) 30 mts
C) 24 mts D) 36 mts
 
Answer & Explanation Answer: B) 30 mts

Explanation:

The cow can graze an area of 2826 sq.m i.e it is able to cover area of circle of 2826 sq.m

 

Therefore, πr2 =2826
r2 =(2826×7/22) = 899.18 = 900
r = 30 m.

 

Therefore, the radius of the circle implies the length of the rope = 30 mts.

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Filed Under: Area
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Q:

Find the wrong number from the following series ?
37   47    52    67    87    112    142

A) 87 B) 47
C) 52 D) 67
 
Answer & Explanation Answer: B) 47

Explanation:

The given series follows the rule,
+(5x1), +(5x2), +(5x3), +(5x4), +(5x5),....

So starting from 37, 37 + 5 = 42, 42 + 10 = 52, 52 + 15 = 67, 67 + 20 = 87,...
So wrong number is 47 which is to be 42.

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Filed Under: Number Series
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Q:

Find the wrong number from the following series ?
7   18   40   106   183   282   403

A) 18 B) 183
C) 40 D) 106
 
Answer & Explanation Answer: C) 40

Explanation:

The given series follows the rule,
+(11x1), +(11x3), +(11x5), +(11x7), +(11x9),....

So starting from 7, 7 + 11 = 18, 18 + 33 = 51, 51 + 55 = 106, ...
So wrong number is 40 which is to be 51.

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Filed Under: Number Series
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Q:

Rajitha invested 25% more than Santhosh. Santhosh invested 30% less than Raju, who invested Rs. 6,000. What is the ratio of the amount that Rajitha invested to the total amount invested by all of them together ?

A) 25 : 114 B) 35 : 103
C) 15 : 108 D) 41 : 94
 
Answer & Explanation Answer: B) 35 : 103

Explanation:

Santhosh's investment = 6000 x 70/100 = Rs.4200
Rajitha's investment = 4200 x 5/4 = Rs.5250
Therefore, total amount invested = 6000 + 4200 + 5250 = Rs.15450.
Required ratio = 5250 : 15450 = 35 : 103.

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Filed Under: Ratios and Proportions
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Q:

Five plays P, Q, R, S and T were organised in a week from Monday to Saturday with one play each day and no play was organised on one of these days. Play S was organised before Thursday but after Monday. Play T was organised on Saturday. Play R was not organised on the first day. Play Q was organised on the next day on which play R was organised. Play P was organised on Tuesday.

1)  On which day was play Q organised ?

2)  On which day was no play organised ?

3)  Which play was organised on Thursday ?

Answer

Day               Play


Monday        No play
Tuesday           P
Wednesday       S
Thursday          R
Friday              Q
Saturday          T


Answers :


From the above table :


1) On Friday play Q was organised.


2) On Monday Noplay  was organised.


3)  On Thursday Play R was organised.

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Subject: Theme Detection Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

Statement: There has been a significant drop in the water level of all the lakes supplying water to the city.
Courses of action:
I. The water supply authority should impose a partial cut in supply to tackle the situation.
II. The government should appeal to all the residents though mass media for minimal use of water.

A) Only I follows B) Only II follows
C) Both I & II follows D) Neither I nor II follows
 
Answer & Explanation Answer: C) Both I & II follows

Explanation:

The situation can be tackled by periodic cuts in supply, and urging people to conserve water. So both the courses follow.

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Filed Under: Statement and Courses of Action
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Q:

The man who is specialist in wine making is called as ?

A) Wenologist B) Grapologist
C) Oenologist D) None
 
Answer & Explanation Answer: C) Oenologist

Explanation:

Oenology is the science and study of wine and winemaking. So person who is specialist in that is called as Oenologist.

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Filed Under: General Science
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Q:

The Central Excise Day (CED) is celebrated on which date in India ?

 

A) February 24 B) February 22
C) February 21 D) February 27
 
Answer & Explanation Answer: A) February 24

Explanation:

The Central Excise Day (CED) is celebrated every year on February 23 in India to commemorate the enactment of the Central Excise and Salt Act, 1944. The Central Excise officers all over the country celebrate this day by organizing seminars, workshops, trade interactions and cultural events etc.

 

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Filed Under: General Awareness
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