5
Q:

# The difference of two numbers is 11 and (1/5)th of their sum is 9. The numbers are

Q:

Find the next number in the series 125, 80, 45, 20, ....

 A) 5 B) 15 C) -5 D) 10

Explanation:

The pattern is -45, -35, -25, -15

The next number = 20-15= 5

6 44
Q:

Find the next number in the series 141,137,146,130,155,119,...

 A) 147 B) 168 C) 162 D) 182

Explanation:

The pattern is -4, +9,-16, +25, -36

The next number=119+49=168

4 14
Q:

Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ...

 A) 26 B) 16 C) 17 D) 18

Explanation:

The pattern is $3^{2}+4^{2}=5^{2}$,  $5^{2}+12^{2}=13^{2}$$7^{2}+24^{2}=25^{2}$

The next number = $8^{2}+15^{2}=17^{2}$

i.e. 17

9 138
Q:

Find the next number in the series 14, 916, 2536,......

 A) 4981 B) 6481 C) 4964 D) 6449

Explanation:

The pattern is $1^{2}$$2^{2}$$3^{^{2}}$$4^{2}$$5^{2}$$6^{2}$

The next number= $7^{2}^{}$$8^{2}$ = 4964

10 161
Q:

Find the next number in the series 2, 3, 4, 8, 9, 10, 11, 16, 17, 18, 19, 20,...

 A) 27 B) 26 C) 24 D) 25