Q2. If 43x5y is a odd number divisible by 15. How many combinations of (x, y) are possible:

(a) 3

(b) 4

(c) 2

(d) 5

15 then it must be divisible by 3 and 5.

be 5(last digit will not be zero because number is odd)

divisible by 3

(7, 5)

Q3. Find out the number of different factor of 86400?

(a) 96

(b) 128

(c) 72

(d)112

Q5. 4767 exactly divides ***341, The missing digits are

(a) 468

(b) 363

(c) 386

(d) 586

Q6. How many number between 100 to 200 are divisible by 2, 3 and 5 together?

(a) 2

(b) 3

(c) 4

(d) 6

Q7. When number divided by 4 and 5 successively leaves a remainder 3 and 4 respectively. Find the remainder when same number is divided by 10:

(a) 7

(b) 9

(c) 11

(d) 13

Q8. What least number must be subtracted from 7231 so that resulting number is exactly divisible by 5 and 9 together:

(a) 51

(b) 31

(c) 24

(d) 4o

divisible by 45.

as a remainder.

number. Number must be divisible by 5 and 9 divisible together

Q9. The sum of digits of two digit numbers is 6 if the digits are reversed the number is increased by 36. Find the number:

(a) 51

(b) 15

(c) 24

(d) 42

Q10. A number when divided by 256 give the remainder 97, when same number is divided by 32 what would be remainder?

(a) 33

(b) 17

(c) 31

(d) 1