# Exercise 5

41.If AB313AB (in decimal notation, where A, B are digits > 0) is divided by 12, then the smallest value of A + B is ?
a) 7
b) 6
c)3
d) 4

Explanation:

42) If a number 774958A95B is to be divisible by 4 and 9, the value of A and B respectively will be: ?
a) 7 and 6
b) 7 and 2
c) 8 and 2
d) 6 and 2

Explanation:

43)The digit in the units place of the number represented by (795-358
a)7
b)0
c)6
d)4

Explanation:

44)The digit in the units place of the number represented by (843-655)?
a)2
b)4
c)0
d) 6

Explanation:

45) Every Sunday Mike jogs 3 miles and for the rest of the week, each day he jogs 1 mile more than the previous day. What is the number of miles mike jogs in 2 weeks [TCS] ?
a) 42 miles
b) 84 miles
c) 86 miles
d) 336 miles

Explanation:

46) The total number of prime factors of the product (8)20 + (15)24 + (17)15
a) 59
b)118
c)121
d) 123

Explanation:

47) The total number of prime factors of the product (6)10 + (35)20 + (11) 30 ?
a) 100
b)15
c)90
d)80

Explanation:

48) Let P be the product of any three consecutive positive odd integers each of which is less than 146. Then the largest integer dividing all such P is ?
a) 6
b) 3
c) 5
d) 15