Question Text
Question 1 :
The temperature at 12 noon was 10$^{\circ}$C above zero, If it decreases at the rate of 2$^{\circ}$C per hour until midnight, what would be the temperature at mid-night?
Question 3 :
Use the sign of >, < or = in the blank to make the statement true: -231 + 79 + 51 _____ - 399 + 159 + 81
Question 5 :
<img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1c9a4f59b460d7261e9e6.png' />
Look at the fig. given above, arrange the numbers circled in ascending order.
Question 7 :
A shopkeeper earns a profit of rupees 1 by selling one pen and incurs a loss of 40 paise per pencil while selling pencils of her old stock. In the next month she earns neither profit nor loss. If she sold 70 pens, how many pencils did she sell?
Question 8 :
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?
Question 10 :
Mohan deposits Rs. 2,000 in his bank account and withdraws Rs. 1,642 from it, the next day. If withdrawal of amount from the account is represented by a negative integer, then how will you represent the amount deposited?
Question 11 :
State whether true of false: In the standard form, a large number can
be expressed as a decimal number between 0 and 1, multiplied by a
power of 10.