GAT Subject Mathematics MCQs

An irrational number cannot be expressed as a ratio of integers.
The number √2 has a nonterminating, nonrepeating decimal expansion.

The expression 2⁵ means multiplying five factors of 2.
Thus, 2 × 2 × 2 × 2 × 2 = 32.

A prime number has exactly two positive factors: 1 and itself.
The number 29 is not divisible by 2, 3, or 5.

The common factors of 36 and 48 include 1, 2, 3, 4, 6, and 12.
The greatest of these is 12.

Multiples of 8 are 8, 16, 24, and so on.
The first multiple also divisible by 12 is 24.

A number is divisible by 9 when the sum of its digits is divisible by 9.
For 5,832, the digit sum is 18.

The digit 7 is in the thousands place.
Therefore, its place value is 7 × 1,000 = 7,000.