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Friday, 19 June 2015

Basics of Numbers SBI PO Quiz

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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