 ## Number System problems

• 1.
The last digit of the number obtained by multiplying the numbers 41 x 42 x 43 x 44 x 45 x 46 x 47 x 48 x 49 will be?

• Options
• A. 0
• B. 1
• C. 4
• D. 5
• 2.
The sum of the digits of a two digit number is 10, when the number is reversed, the number increases by 72.Find the number.

• Options
• A. 64
• B. 82
• C. 19
• D. 37
• 3.
Find the product of place value and face value of 5 in 65231

• Options
• A. 28000
• B. 25000
• C. 27000
• D. 26000
• 4.
The units digit in the product ( 784 x 618 x 917 x 463 ) is

• Options
• A. 2
• B. 3
• C. 4
• D. 5
• 5.
If 1x5x01 is divisible by 11, then the value of x is

• Options
• A. 6
• B. 4
• C. 8
• D. 9
• 6.
The pair of numbers which are relatively prime to each other is

• Options
• A. (68, 85)
• B. (65, 91)
• C. (92, 85)
• D. (102, 153)
• 7.
When 121012 is divided by 12, the remainder is

• Options
• A. 0
• B. 2
• C. 3
• D. 4
• 8.
Find the sum of place and face values of 8 in 43836

• Options
• A. 88
• B. 808
• C. 880
• D. 888
• 9.
Find the face value of 7 in 942756

• Options
• A. 7
• B. 700
• C. 7000
• D. 70000
• 10.
Find the dividend when divisor is 13, quotient is 30 and remainder is 12

• Options
• A. 402
• B. 436
• C. 455
• D. 543