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Q:

In a daily morning walk three persons step off together. their steps measure 75 cm, 80 cm and 85 cm respectively. What is the minimum distance each should walk so that thay can cover the distance in complete steps  ?

A) 222 m 44 cm B) 204 m
C) 201 m 21 cm D) 208 m
 
Answer & Explanation Answer: B) 204 m

Explanation:

To find the minimum distance, we have to get the LCM of 75, 80, 85

Now, LCM of 75, 80, 85 = 5 x 15 x 16 x 17 = 20400

Hence, the minimum distance each should walk so that thay can cover the distance in complete steps = 20400 cms = 20400/100 = 204 mts.

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Filed Under: Time and Distance
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Q:

If the HCF of 210 and 55 is expressible in the form of 210 x 5 + 55P, then value of P = ?

A) -23 B) 27
C) 16 D) -19
 
Answer & Explanation Answer: D) -19

Explanation:

HCF of 210 and 55 is 5

Now, 210x5 + 55P = 5

=> 1050 + 55P = 5

=> 55P = -1045

=> P = -1045/55

=> P = -19.

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Filed Under: HCF and LCM
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Q:

Which type of memory is not directly addressable by the CPU and requires special software called EMS ?

A) Expanded B) Base
C) Conventional D) None
 
Answer & Explanation Answer: A) Expanded

Explanation:
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Filed Under: Computer
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Q:

Who is the author of the book "Panditharadya Charitham" ?

A) Tikkana B) Ganapathideva
C) Yerrana D) Palkuriki Somanatha
 
Answer & Explanation Answer: D) Palkuriki Somanatha

Explanation:
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Filed Under: Books and Authors
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Q:

Where and when the first session of Indian National Congress was held ?

A) Delhi, 1890 B) Mumbai, 1885
C) Madras, 1887 D) Kolkata, 1889
 
Answer & Explanation Answer: B) Mumbai, 1885

Explanation:

The first session of Indian National Congress was held from 28–31 December 1885, in Mumbai and was attended by 72 delegates. Womesh Chandra Bonnerjee was the first president of the Indian National Congress (INC), a voice of Indian opinion to the British government.

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Filed Under: Indian History
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Q:

Who is the author of the book "The way of Knife: The CIA, A secret army and a war at the ends of the earth" ?

A) Mark Twain B) Irika John
C) Mario Pujo D) Mark Mazzetti
 
Answer & Explanation Answer: D) Mark Mazzetti

Explanation:
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Q:

Three taps P, Q and R can fill a tank in 12 hrs, 15 hrs and 20 hrs respectively. If P is open all the time and Q and R are open for one hour each alternately, starting with Q, then the tank will be full in how many hours ?

A) 9 hrs B) 7 hrs
C) 13 hrs D) 11 hrs
 
Answer & Explanation Answer: B) 7 hrs

Explanation:

Given,

P can fill in 12 hrs

Q can fill in 15 hrs

R can fill in 20 hrs

=> Volume of tank = LCM of 12, 15, 20 = 60 lit

=> P alone can fill the tank in 60/12 = 5 hrs

=> Q alone can fill the tank in 60/15 = 4 hrs

=> R alone can fill the tank in 60/20 = 3 hrs

Tank can be filled in the way that

(P+Q) + (P+R) + (P+Q) + (P+R) + ....

=> Tank filled in 2 hrs = (5+4) + (5+3) = 9 + 8 = 17 lit

=> In 6 hrs = 17 x 6/2 = 51 lit

=> In 7th hr = 51 + (5+4) = 51 + 9 = 60 lit

=> So, total tank will be filled in 7 hrs.

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Filed Under: Time and Work
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Q:

Ramesh spent Rs. 38460 on the renovation of his home, Rs. 24468 on buying furniture and remaining 28% of the total amount he had as cash with him. What was the total amount ?

A) 87400 B) 92520
C) 88470 D) 90150
 
Answer & Explanation Answer: A) 87400

Explanation:

Let X be the total amount with Ramesh

Given 28% of X = Cash remaining

=> Amount spent = 72% of X = 38460 + 24468 = 62928

=> 72% of X = 62928

=>  X = ?

=> X = 87400

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Filed Under: Percentage
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