1. What is the place value of 6 in 63214178 ?
1) 6 2) 6 x 103 3) 6 x 107 4) 6 x 108 5) None of these
Solution: (3).6 is at the place value of crore
Therefore required place value = 6 x 10000000
= 6 x 107
2. Find the face value of 8 in 7382146.
1) 8 2) 8 x 102 3) 8 x 104 4) 83 5)None of these
Solution: (1). Face value is value of the digit itself
Therefore required face value of 8 is 8
3. Find the sum of face and place value of 9 in 738924.
1) 8991 2) 9009 3) 909 4) 891 5) None of these
Solution: (3). Place value of 9 = 900
Face value of 9 = 9
Then sum of place & face value = 900 + 9
= 909
4. Product of 1st Natural number and 1st Prime number is _______
1) 1 2) 2 3) 3 4) 5 5)None of these
Solution: (2). 1st Natural number = 1
1st Prime number = 2 (1 is not prime no )
Product of 1st natural & 1st prime number = 1 x 2 = 2.
5. 3/5 is rational whereas (square root of 3) / (square root of 5 ) is :
1) Rational numbers 2) Irrational number 3) Prime number 4) Natural number 5) None of these
Solution: (2). Square root of 3 and square root of 5 are irrational .
(Square root of 3) / (Square root of 5) is irrational .
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