bank Exam Numerical Ability Number System

in a 2-digit number,the digit in the tens place is
three times the digit in the unit place. if the digits are reversed,the number is decreased by 36.Find the number

Read Solution (Total 1)

Numbers are 40, 51, 62, 73, 84, 95

Let the number be 10x+y, then number obtained when digits reversed = 10y+x
Given difference (10x+y) - (10y+x) = 36
=> 9x -9y = 36 or x - y = 4
So possible (x,y)=(4,0) (5,1) (6,2) (7,3) (8,4) (9,5)
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bank Other Question

Anuj has deposited certain amount in the bank to earn compound interest at 10% per annum. The difference in the interest on the amount between the 3rd and 2nd years is rupees 1100.what amount has anuj deposited.
a)10000
b)11000
c) data inadequate in a examination in which full marks were 1000,a got 20%more than b,b 10%more than c and c 20%less than d.if a got 660 marks,what percentage of full marks were obtained by d?