Question types

The Other Side of Zero question types

145 questions across 9 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

145
Questions
9
Question groups
5
Question types
Sample Questions

The Other Side of Zero questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Sita and Gita visited Leh and Tawang respectively during winter. Sita reported that she had experienced $-4^{\circ} C$ on Sunday, while Gita reported that she had experienced $-2^{\circ} C$ on the same day. Which statement is true?
  • Leh was cooler than Tawang.
  • B
    Leh was hotter than Tawang.
  • C
    Leh was as cool as Tawang
  • D
    Tawang was cooler than Leh.

Answer: A.

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Samir earned a profit of ₹ 10 by selling pens and had a loss of Rs. 5 by selling pencils. Find the total profit or loss incurred by Samir.
  • A
    Profit of ₹ 15
  • B
    Loss of ₹ 15
  • C
    Loss of ₹ 5
  • Profit of ₹ 5

Answer: D.

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Assertion (A): Zero is greater than every negative integer.
Reason (R): We put positive sign with zero.
  • A
    Both 'A' and 'R' are true and R is the correct ex-planation of A
  • B
    Both 'A' and 'R' are true but R is not the correct explanation of ‘A’
  • 'A’ is true and 'R' is false
  • D
    'A’ is false and 'R' is true

Answer: C.

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Assertion (A): The successor of – 1 is 0.
Reason (R): Successor is the number which comes after a number.
  • Both 'A' and 'R' are true and R is the correct ex-planation of A
  • B
    Both 'A' and 'R' are true but R is not the correct explanation of 'A'
  • C
    'A' is true and 'R' is false
  • D
    'A' is false and 'R' is true

Answer: A.

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There are two dice whose faces have these numbers: -1,2,- 3, 4, – 5, 6. The smallest possible sum upon rolling these dice is – 10 = (- 5) + (- 5) and the largest possible sum is 12 = (6) + (6). Some numbers between (- 10) and (+ 12) are not possible to get by adding numbers on these two dice. Find those numbers.
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Leh in Ladakh gets very cold during winter. The following is a table of temperature readings taken during different times of the day/night in Leh on a day in November. Match the temperature with the appropriate time of the day/night.
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Do you know that there are some places in India where temperatures can go below 0°C? Find out the places in India where temperatures sometimes go below 0°C. What is common among these places? Why does it become colder there and not in other places?
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Q 293 Marks Question3 Marks
Here are six integer cards: (+1), (+7), (+18), (-5), (-2), (-9).
You can pick any of these and make an expression using addition(s) and subtraction(s).
Here is an expression: (+18) + (+1) – (+7) – (-2) which gives a value (+14).
Now, pick cards and make an expression such that its value is closer to (-30).
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The sum of two positive integers is always positive but a (positive integer) – (positive integer) can be positive or negative. What about
(a) (Positive) – (Negative)
(b) (Positive) + (Negative)
(c) (Negative) + (Negative)
(d) (Negative) – (Negative)
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Cancel the zero pairs in the following two sets of tokens. On what floor is the lift attendant in each case? What is the corresponding addition statement in each case?
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Column AColumn B
(a) The integer, which is neither positive nor negative(i) 1
(b) The greatest negative integer(ii) -2
(c) The smallest positive integer(iii) 0
(d) The predecessor of the greatest negative integer(iv) -1
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