MEDIUM
7th Tamil Nadu Board
IMPORTANT
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Add 2 to me. Then multiply by 5 and subtract 10 and divide now by 4 and I will give you 15! Who am I?

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Important Questions on Number System

MEDIUM
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.5>Q 7
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 (in ₹)?
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.5>Q 8
During a drought, the water level in a dam fell 3 inches per week for 6 consecutive weeks. What was the change in the water level in the dam at the end of this period?
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.5>Q 9
Buddha was born in 563 BC(BCE) and died in 483 BC(BCE). Was he alive in 500 BC(BCE)? and find his lifetime.
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.6>Q 1
What should be added to -1 to get 10?
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.6>Q 2
-70+20=_____-10
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.6>Q 3
Subtract 94860 from (-86945).
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.6>Q 4
Find the value of (-25)+60+(-95)+(-385).
EASY
7th Tamil Nadu Board
IMPORTANT
Mathematics Standard 7 Term I>Chapter 1 - Number System>Exercise 1.6>Q 5
Find the sum of (-9999),(-2001) and (-5999).