Number Solved Questions For IBPS, SBI and Other Bank Exams - Page 10

You will find 59 problems in 15 pages..

Number Problems Solved Questions (Page 10 of 15)

Question 1

In a two-digit number, sum of the digits is 5 and the digit in ten's place is 2/3 times of the unit's digit then the two-digit number is

a) 14 b) 41 c) data inadequate d) none of these

Answer : d) none of these

Solution :

Let 10X + Y be the two-digit number.
Then X + Y = 5 ...(1)
And X = 2/3 of Y = 2Y/3
3X = 2Y ...(2)

From the given options, 14 and 41 satisfy the above condition (1) but does not (2).

Here, solving (1) and (2), we get X = 2 and Y = 3.
Therefore required number is 23.

Hence the answer is option d.

Question 2

If unit's place of a two-digit number is 8 and ten's place is 5 less than unit's place then the sum of the digits in the two-digit number is

a) 38 b) 15 c) 11 d) none of these

Answer : c) 11

Solution :

Given that, the unit's place number = 8
Then, ten's place = 8 - 5 = 3.
The number = 38.
Required sum = 3 + 8 = 11.

Question 3

If 3 is a quotient when dividing the ten's place of a two-digit number by its unit's place then the number will be

a) 93 b) 31 c) 62 d) data inadequate

Answer : d) data inadequate

Solution :

Let 10X + Y be the two-digit number.
Given that, X/Y = 3.
From the given options,
93, 31 and 62 satisfy the given condition(X/Y = 9/3 = 6/2 = 3/1 = 3)
Therefore, we cannot find the exact answer.
Hence the answer is option d.

Question 4

In a two-digit number, unit's place exceeds ten's place by 4 then the ten's place of the two-digit number will be

a) 5 b) 6 c) 7 d) none of these

Answer : a) 5

Solution :

Let 10X + Y be the two-digit number.
Then Y - X = 4.
Therefore, such possibilities of (Y,X) of a two-digit number are (9,5), (8,4), (7,3), (6,2) (5,1) and (4,0)
Then the possible ten's place numbers are 5, 4, 3, 2, 1 and 0.
From the given options, required answer is 5.

Number Problems Solved Questions (Page 10 of 15)

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