number analogy Detailed Explanation And More Example

Answer: (a)

$$\text"First number is multipled by 5 to get second number."$$

$$\text"As, " \text"14 x 5"=\text"70"$$

$$\text"lly, "\text"75 x 5"=\text"375".$$

Answer: (c)

In all the numbers, the middle digit is the sum of the digits of the product of other two digits.

Now, 9 × 2 = 18, 1+8 = 9 (middle digit in 992);

7 × 3 = 21, 2+1 = 3 (middle digit in 733);

8 × 5 = 40, 4+0 = 4 (middle digit in 845) and so on.

Answer: (c)

In all the numbers, the product of the first and last digits in a multiple of the sum of the middle two digits.

Thus, 4 × 8 = 32 is a multiple of (7 + 1),

i.e., 8, 5 × 7 = 35 is a multiple of (6 + 1),

i.e., 7 and so on

Answer: (d)

$$\text"The relationship is " \text"x"^3 : \text"x"^2$$

$$\text"As, " \text"3"^3:\text"3"^2=\text"27" :\text"9".$$

$$\text" Similarly",\text"9"^3:\text"9"^2=\text"729" :\text"81".$$

Answer: (b)

$$\text"The relationship is"$$ x : (3x + 3)

As, $$\text"7":\text"(3 x 7 + 3)"=\text"7" :\text"24".$$

$$\text" Similarly",\text"23":\text"(3 x 23 + 3)"=\text"23" :\text"72"$$

Answer: (a)

The first number is multiplied by the next prime number to obtain the second number.

Prime Numbers are 1, 3, 5, 7, 11, 13 .......

5 : 5 x 7 = 5 : 35

llly, 7 : 7 x 11 = 7 : 77.