Question
The missing number in 3000 + _____ + 80 + 5 = 3485 is
- 4000
- 40
- 800
- 400
Hint:
Add all given numbers and then subtract from total.
The correct answer is: 400
Given equation is
3000 + _____ + 80 + 5 = 3485;
Step 1;
Add all values on left side
3000 + 80 + 5 = 3085;
Step 2 :
subtract the sum from total given on right hand side,
3485 - 3085 = 400;
So, 400 will come at missing place.
Find place value of hundreds place.
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9 × 
= 27
According to table of 9.
9 x 1 = 9
9 x 2 = 18
9 x 3 = 27
Therefore, 9 × 3 = 27
The correct option is (c) 3.
9 × = 27
According to table of 9.
9 x 1 = 9
9 x 2 = 18
9 x 3 = 27
Therefore, 9 × 3 = 27
The correct option is (c) 3.
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Check every option for prime number.
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The L.C.M. of 50 and 60 is___________.
Step 1: Find the prime factors of 50 and 60.
50 = 2 x 5 x 5
60 = 2 x 2 x 3 x 5
Step 2:
LCM = 2 x 5 x 5 x 2 x 3
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The correct option is (b) 300.
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Step 1: Find the prime factors of 50 and 60.
50 = 2 x 5 x 5
60 = 2 x 2 x 3 x 5
Step 2:
LCM = 2 x 5 x 5 x 2 x 3
LCM = 300
The correct option is (b) 300.
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Represents
shaded region = 1 - unshaded region
unshaded region = number of unshaded parts/number of total parts
Represents
shaded region = 1 - unshaded region
unshaded region = number of unshaded parts/number of total parts
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The sum of Ones & Tenths digits in 73.14 is
Represents
shaded region = 1 - unshaded region
unshaded region = number of unshaded parts/number of total parts
Represents
shaded region = 1 - unshaded region
unshaded region = number of unshaded parts/number of total parts
