0
Q:

# The difference between a number and its three-iflh is 50. What is the number ?

 A) 75 B) 100 C) 125 D) 150

Explanation:

Let the number be x. Then, x - 3x/5 = 50  <=>  x = (50 * 5) / 2 = 125..

Q:

How many numbers are there from 200 to 800 which are neither divisible by 5 nor by 7?

 A) 407 B) 410 C) 413 D) 411

Explanation:

2 122
Q:

How many natural numbers less than 500, when divided by 35 and 49, will leave a remainder of 30 in each case?

 A) 4 B) 3 C) 1 D) 2

Explanation:

0 60
Q:

If the nine-digit number 708x6y8z9 is divisible by 99, then what is the value of x + y + z?

 A) 5 B) 27 C) 16 D) 9

Explanation:

0 154
Q:

If the given number 925x85 is divisible by 11, then the smallest value of x is:

 A) 1 B) 2 C) 3 D) 4

Explanation:

0 418
Q:

What x is added to each of 10, 16, 22 and 32, the numbers so obtained in this order are in proportion? What is the mean proportional between the numbers (x + 1) and (3x + 1)?

 A) 12 B) 9 C) 15 D) 10

Explanation:

0 80
Q:

When a positive integer is divided by d, the remainder is 15. When ten times of the same number is divided by d. the remainder is 6.
The least possible value of d is:

 A) 9 B) 16 C) 18 D) 12

Explanation:

0 134
Q:

The greatest number which should be replace '*’ in the number 146*48 to make t divisible by 8 is:

 A) 8 B) 9 C) 2 D) 0

Explanation:

0 952
Q:

Solve the following equation:

 A) -19 B) 119 C) 118 D) -119