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Q:

Equal distance is covered by a boat in upstream and in downstream in total 5 hours. Sum of speed of a boat in upstream and downstream is 40 km/hr. Speed of boat in still water is 600%
more than the speed of stream. Find theapproximate distance covered by boat in downstream (in km).

A) 45	B) 50
C) 55	D) 60

Answer & Explanation Answer: B) 50

Explanation:

let speed of boat= X, speed of stream= Y
Upstream speed= X-Y
Downstream speed= X+Y
Sum of upstream & downstream= (X-Y) +(X+Y)= 2X
So, 2X= 40
X= 20 km/hr
Speed of boat : speed of stream= 600+100 :100= 7:1
So speed of Stream= 20/7 km/hr
ATQ, D/( X-Y) + D/( X+Y) = 5
D/(120/7) + D/(160/7)= 5
D= 480×5/49= 48.97 km= 50 Km(approx)

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Filed Under: Boats and Streams
Exam Prep: Bank Exams , GATE

Q:

A and B entered into a partnership with Rs.800 and Rs.1600 respectively. From 9th months onward they each decided to invest Rs.100 more on starting of each month. If total annual profit is Rs.7700 then find the profit share of A.

A) Rs.2550	B) Rs.3200
C) Rs.2650	D) Rs.2450

Answer & Explanation Answer: C) Rs.2650

Explanation:

A : B = (800 × 8+ 900+ 1000+ 1100+ 1200): (1600 × 8+ 1700+ 1800+ 1900+ 2000)
A : B = 53 : 101
Profit of A ⇒ 7700 ×53/154 = 2650 Rs.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

Q:

A starts a business, after 6 months B also join him with Rs.4500 and after 2 months of B’s joining C also join them with Rs.4500. If A gets approx. Rs 4900 out of total annual profit of Rs. 10,000 then find the approximate value of initial investment of A.

A) Rs.4800	B) Rs.4200
C) Rs.3600	D) Rs.4400

Answer & Explanation Answer: C) Rs.3600

Explanation:

Let initial investment of A = x
Ratio of profit A : B : C = 12 × x : 6×4500 :4×4500
A :B:C = x : 2250: 1500
Now ATQx/(x+2250+1500) = 4900/10000
solving this we get,x ≈ Rs 3600

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

Q:

Which of the follow is the last element in Newlands Law of Octaves classification?

A) Rhodium	B) Radium
C) Iron	D) Thorium

Answer & Explanation Answer: D) Thorium

Explanation:

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Filed Under: Chemistry
Exam Prep: CAT , Bank Exams , AIEEE

Q:

The volume of a right circular cone, whose radius of the base is same as one-third of its altitude, and the volume of a sphere are equal. The ratio of the radius of the cone to the radius of the sphere is :

A) 1:1	B) 3√4:1
C) 3√3:3√2	D) 3√4:3√3

Answer & Explanation Answer: D) 3√4:3√3

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

Q:

Consider the given statement and decide which of the given assumptions is/are implicit in the statement.

Statement:

Honesty is the best policy.

Assumptions:

1. Honesty people are policy makers.

2. Each policy must contain honesty.

A) Both assumptions 1 and 2 are implicit	B) Neither assumption 1 nor 2 is implicit
C) Only assumption 2 is implicit	D) Only assumption 1 is implicit

Answer & Explanation Answer: B) Neither assumption 1 nor 2 is implicit

Explanation:

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Filed Under: Statement and Assumptions
Exam Prep: AIEEE , Bank Exams , CAT

Q:

Who is the Chairman of the Economic Advisory Council to the Prime Minister (PMEAC) as of February 2018?

A) Bibek Debroy	B) Amit Mitra
C) Amartya Sen	D) Najma Heptulla

Answer & Explanation Answer: A) Bibek Debroy

Explanation:

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT

Q:

In the following series, one term is missing as shown by the question mark?. Select the missing term from the given options.

ST, TU, UV, VW, ?

A) WY	B) WX
C) WZ	D) WV

Answer & Explanation Answer: B) WX

Explanation:

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Filed Under: Alphabet Test

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