The product of two numbers x and y is twice the sum of the numbers. What is the sum of the reciprocals of x and y?

Created: 1 month ago | Updated: 2 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Probationary Officer - 17.02.2017 গণিত
708
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If c and d are two integers and @ is defined in p an q as @ (p, q)=(p+1)(q+2), and @ (c, d) equals the product of 2 and 5, then what should be the value of c+d?

Created: 2 months ago | Updated: 2 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Probationary Officer - 17.02.2017 গণিত
681
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The probability of rolling any number of an wighted 6-sided die, with faces numbered 1 through 6, is directly proportional to the number rolled. What is the probability of getting 5, if the die is rolled only once?

Created: 2 months ago | Updated: 2 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Probationary Officer - 17.02.2017 গণিত
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In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5,9 and 13 (factors of 585) and got the remainders 4,8,12 respectively. If he had divided the number by 585, what would have been the remainder?

Created: 2 months ago | Updated: 2 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Probationary Officer - 17.02.2017 গণিত
450
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Two trains are moving in opposite directions at 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is ----

Created: 2 months ago | Updated: 3 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Probationary Officer - 17.02.2017 গণিত
371
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The area of a triangle whose sides are of lengths 12 cms, 5 cms, and 13 cms is :

Created: 2 months ago | Updated: 3 weeks ago
Job Solution United Commercial Bank Ltd (UCB) United Commercial Bank Ltd - Officer - 13.08.2010 গণিত
364
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