Quantitative Aptitude Prep Tips for MBA

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a month ago

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Payal Gupta

Contributor-Level 10

CI7 – CI6 = 1450 – 1250

= Rs. 200

Rate of interest = (200/1250*100)

=16% per annum

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

CI 6th year = CI 5th year * 1.25

= 900*1.25

= Rs. 1125

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

Difference between the speed = 90 km/hr

= 90*5/18 = 25 m/s

Time taken = (640 + 480)/25

= 44.8 seconds

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

Sum of length = (72*5/18)*73

=1460 m

Length of platform = 1460 – 422

= 1040 m

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

Length = (108*5)/18*8

= 240 meters

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Payal Gupta

Contributor-Level 10

Speed of A with respect to B

AB = 36 – 24 = 12 km/hr

Time taken by A to catch B

AB = 120/12 = 10 hours

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

(20*18*10)/1500 = (45*16*4)/Q

Q = 1200 tons

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a month ago

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Payal Gupta

Contributor-Level 10

Let total work is 60 (LCM of 20, 12 & 15)

Per day work 

(Raj + Mohan) = 3 units

(Mohan + Sohan) = 5 units

(Raj + Shohan) = 4 units

(Raj + Mohan + Sohan) = (3 + 5 + 4)/2 = 6 units

Raj's per day work = 6 – 5 = 1 unit

Total time taken by Raj = 60 days

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

Total days taken by Mahesh alone = 45*4 = 180 days

Let the total work = 180 units (LCM of 180 and 60)

Mahesh per day work = 1 units

Mahesh and Anand per day work = 180/60 = 3 units

Anand per day work = 3 – 1 = 2

Time taken = 180/2 = 90 days

New answer posted

a month ago

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Payal Gupta

Contributor-Level 10

Food for 80 person = 150 days

Food for 1 person = 150 * 80

Food for 150 person = (150 * 80/150)

= 80 days

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