हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following: If Tamizh Nambi is paid ₹250 for each page produced

Advertisements
Advertisements

प्रश्न

A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following:

If Tamizh Nambi is paid ₹ 250 for each page produced, how much money did he lose?

योग
Advertisements

उत्तर

Payment for one page = ₹ 250

∴ Payment for 35 pages = ₹ 250 × ₹ 35

= ₹ 8,750

shaalaa.com
Statement Problems on Integers Using All Fundamental Operations.
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Number System - Exercise 1.5 [पृष्ठ २८]

APPEARS IN

सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 1 Number System
Exercise 1.5 | Q 5. (iii) | पृष्ठ २८

संबंधित प्रश्न

One night in Kashmir, the temperature is −5°C. Next day the temperature is 9°C. What is the increase in temperature?


An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:

5 electrons and 3 protons → 


Scientists use the Kelvin scale (K) as an alternative temperature scale to degrees Celsius (°C) by the relation T°C = (T + 273)K. Convert the following to Kelvin:

−275°C


An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:

6 protons and 6 electrons →


An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:

9 protons and 12 electrons →


Find the amount that is left in the student’s bank account, if he has made the following transaction in a month. His initial balance is ₹ 690

(i) Deposit (+) of ₹ 485

(ii) Withdrawal (−) of ₹ 500

(iii) Withdrawal (−) of ₹ 350

(iv) Deposit (+) of ₹ 89

(v) If another ₹ 300 was withdrawn, what would the balance be?


Kamatchi, a fruit vendor sells 30 apples and 50 pomegranates. If she makes a profit of ₹ 8 per apple and loss ₹ 5 per pomegranate. What will be her overall profit or loss?


The price of an item x increases by ₹ 10 every year and an item y decreases by ₹ 15 every year. If in 2018, the price of x is ₹ 50 and y is ₹ 90, then which item will be costlier in the year 2020.


Match the statements in Column A and Column B

S.No. Column A Column B
1. For any two integers 72 and 108, 72 + 108 is also an integer. (a) Distributive property of multiplication over addition.
2. For any three integers 68, 25 and 99
68 × (25 + 99) = (68 × 25) + (68 × 99)
(b) Multiplicative identity
3. 0 + (−138) = (−138) = (−138) + 0 (c) Commutative property under
4. For any two integers (−5) and 10
(−5) × 10 = 10 × (−5)
(d) Closed under addition.
5. 1 × (−1098) = (–1098) = (–1098) × 1 (e) Additive identity.

If the letters in the English alphabets A to M represent the number from 1 to 13 respectively and N represents 0 and the letters O to Z correspond from −1 to −12, find the sum of integers for the names given below.
For example,
MATH → Sum → 13 + 1 – 6 + 8 = 16
YOUR NAME


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×