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

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 t

Advertisements
Advertisements

प्रश्न

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
SUCCESS

योग
Advertisements

उत्तर


SUCCESS → (−5) + (−7) + 3 + 3 + 5 + (−5) + (−5)

= −12 + 6 + 5 + (−10)

= −6 + 5 + (−10)

= (−1) + (−10)

= −11

shaalaa.com
Statement Problems on Integers Using All Fundamental Operations.
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Number System - Exercise 1.6 [पृष्ठ ३०]

APPEARS IN

सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
अध्याय 1 Number System
Exercise 1.6 | Q 18. (ii) | पृष्ठ ३०

संबंधित प्रश्न

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 →


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:

7 protons and 6 electrons →


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:

Tamizh Nambi pays Kavimann ₹ 100 per page for his help. How much money does Kavimaan receive?


Add 2 to me. Then multiply by 5 and subtract 10 and divide new by 4 and I will give you 15! Who am I?


Buddha was born in 563 BC (BCE) and died in 483 BC (BCE). Was he alive in 500 BC (BCE)? and find his life time. (Source: Compton’s Encyclopedia)


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.

From a water tank 100 litres of water is used every day. After 10 days there is 2000 litres of water in the tank. How much water was there in the tank before 10 days?


Kannan has a fruit shop. He sells 1 dozen bananas at a loss of ₹ 2 each because it may get rotten next day. What is his loss?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×