CSE Numerical Ability Quiz 1

Carmen is 12 years older than David. Five years ago, the sum of their ages was 28. How old are they now?

• 12 and 20

• 13 and 25

• 14 and 30

• 15 and 35

Phil is Tom's father. Phil is 35 years old. Three years ago, Phil was four times as old as his son was then. How old is Tom now?

• 11

• 12

• 13

• 14

Lisa is 16 years younger than Kathy. If the sum of their ages is 30, how old is Lisa?

• 5

• 6

• 7

• 8

Five years ago, John’s age was half of the age he will be in 8 years. How old is he now?

• 15

• 16

• 17

• 18

Find the sum of the first 40 terms of the arithmetic series 2+5+8+11+...

• 2350

• 2420

• 2560

• 3030

In the arithmetic sequence –3, 4, 11, 18, …, find the sum of the first 20 terms.

• 1270

• 1350

• 1550

• 1600

Find the sum of the multiples of 3 between 28 and 112.

• 1950

• 1974

• 2001

• 2500

Find the next term in the sequence below.

-6, -1, 4, --

• 6

• 7

• 8

• 9

Find the next two terms in the sequence below.

-1/2, -5/6, -7/6, ?, ?.

• 3/2, 11/6

• 5/2, 10/6

• -3/2, -11/6

• -5/2, -10/6

Find the sum of the first five terms of the geometric sequence in which a 1 = 3 and r = –2.

• 25

• 30

• 33

• 35