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What is the next number in the series 1, 4, 9, 16, ....?

1. A 18
2. B 21
3. C 23
4. D 25

2, 9, 6, 7, 18, 5, ....

1. A 25
2. B 40
3. C 54
4. D 90

In a class composed of x girls and y boys what part of the class is composed of girls?

1. A x / (x + y)
2. B x / xy
3. C y / (x + y)
4. D y / xy

If X is an odd integer and Y is an even integer, which of the following statements is(are) always true? I. X + Y is odd II. XY is odd III. X + 2Y is even

1. A I and III only
2. B I only
3. C II and III only
4. D III only

The sum of a number and its inverse (or reciprocal) is equal to twice the number. What is the number?

1. A -1
2. B -2
3. C 1
4. D 1 or -1

A student first reduced a number by 20 percent and then increased it again by 20 percent. If the difference between the two new numbers was 8, then what is the original number?

1. A 40
2. B 50
3. C 75
4. D 96

If x and y are prime numbers, which of the following cannot be the sum of x and y?

1. A 13
2. B 23
3. C 5
4. D 9

r>s>0; Quantity A = rs/r and Quantity B = rs/s

1. A Quantity in A is greater
2. B Quantity in B is greater
3. C The relationship indetermine
4. D The two quantities are equal

Find the next number in the series: 3, 6, 4, 9, 5, 12, 6, ...

1. A 12
2. B 15
3. C 7
4. D 9

Find the probability of selecting a prime number from a set numbers 1 to 15 (both inclusive).

1. A 1/15
2. B 2/5
3. C 3/5
4. D 7/15

If you add up the digits of a three-digit number you get 18. the ten's digit is twice the hundred's digit and the hundred's digit is 1/3 the unit's digit. What is the number?

1. A 246
2. B 369
3. C 531
4. D 855

If 1.4 is halfway between two points x and y what sre the possible values of x and y?

1. A -1 and 2
2. B -1.4 and 2.4
3. C 0.15 and 1.55
4. D 0.3 and 3.1