Two trains of lengths 200m and 320m pass each other with constant speeds on parallel tracks in opposite directions. The drivers and guards are at extremities of the trains. The time gap between the drives passing each other and first driver-guard pair passing each other is 25 s. How much later will other driver-guard pair pass by?

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#Question id: 5180

#General Aptitude

Consider the set of numbers (17¹,17²,17³,...............................17³⁰⁰)How many of these numbers end with digite3 ?

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#Question id: 5181

#General Aptitude

A child while writing the numbers from 400 to 599, mistakenly wrote 8     every time instead of 4. So the total number of times he has wrote 8 is

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#Question id: 5182

#General Aptitude

Find the numbers of prime factors contained in the product of  (23^11)×(7^4)×(3^5)

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#Question id: 5183

#General Aptitude

Find the least number which when divided by 5, 7, 11 leaves reminders 1, 2, 4 respectively?

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#Question id: 5184

#General Aptitude

Suppose n is a positive integer . Then (n2+n) (2n + 1)

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#Question id: 5185

#General Aptitude

The difference , the sum and the product of two integers are in the proportion 1:3:10 . The two integers are :