Directions: Read the following information to answer the question.
Let the number be x. Then X/7 - x/11 =100 11x-7x = 7700 x=1925.
Directions: Read the following information to answer the question.
The required number = l.c.m. of (21,28,36 ,45)+3=1263
Directions: Read the following information to answer the question.
Since 653xy is divisible by 2 as well as by 5, so y = 0
Now 653x0 is divisible by 8 so 3x0 is also divisible by 8.
By hit and trial x=6 and x+y = 6
Directions: Read the following information to answer the question.
623 – 543 – 83 is divisible by
623 – (543 + 83) = 623 – [(54 + 8) (542 + 82– 54 x 8)]
=63 x 3 x 54 x 8
This is divisible both by 9 and 31
Directions: Read the following information to answer the question.
Only abc is an odd natural number.