Sample Test Mathematics

1
For any integer a,a× 0 = 0 ×a=
• 1 2
• 2 12
• 3 1
• 4 0
2
Find: (−−36) ÷ (−− 4)a)
• 1 -9
• 2 -1
• 3 9
• 4 4
3
In a test (+5) marks are given for every correct answer and (–2) marks are given for every incorrect answer. Radhika answered all the questions and scored 30 marks though she got 10 correct answers
• 1 14
• 2 1
• 3 10
• 4 -10
4
In a class test containing 15 questions, 4 marks are given for every correct answer and (–2) marks are given for every incorrect answer. Gurpreet attempts all questions but only 9 of her answers are correct. What is her total score?
• 1 -12
• 2 -24
• 3 24
• 4 12
5
Which statement is TRUE?
• 1 Positive integers are all the whole numbers greater than zero.
• 2 Positive integers are all the whole numbers smaller than zero.
• 3 Every positive integer is smaller than any negative integer
• 4 Zero is both, a positive and negative number.
6
What is the absolute value of |− 4|?
• 1 1
• 2 -4
• 3 0
• 4 4
7
The temperature at 5:00 P.M. was 0°C. If the temperature is dropping 2∘ per hour, what was the temperature 9 hours ago?
• 1 18∘C
• 2 17∘C
• 3 -17∘C
• 4 -18∘C
8
Which one of the following quantities has no fundamental dimensions?
• 1 Electric Current
• 2 Temprature
• 3 Luminous intensity
• 4 None of these
9
Simplify: |−42| ÷ 7
• 1 6
• 2 -6
• 3 7
• 4 0
10
Solve: (8 − 17) ÷ (10 − 7)
• 1 3
• 2 5
• 3 -5
• 4 -3
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