100+ Number System Questions and Answers for Bank Exams - 2

Question: 6

The difference between the local value and the face value of 7 in the numeral 32675149 is

(A) 5149

(B) 64851

(D) 75142

Ans: C

Difference between the local value and the face value of 7 in the given numeral = (70000 – 7) = 69993.

Question: 7

2 – 2 + 2 – 2 + …… 101 terms = ?

(A) 1

(B) 2

(D) None of these

Ans: B

The given series is such that the sum of first hundred terms is zero and 101^st term is 2.

So, the sum of 101 terms is 2.

Question: 8

The numbers 1, 3, 5, ….., 25 are multiplied together. The number of zeros at the right end of the product is

(A) Four

(B) Three

(D) Zero

Ans: D

Clearly, multiples of 2 and 5 together yield 0.

Since the product of odd numbers contains no power of 2.

So the given product does not give 0 at the unit place.

Question: 9

From the sum of 17 and -12, subtract 48

(A) -17

(B) -20

(D) -48

Ans: C

Given expression = 17 + (- 12) – 48 = 17 – 60 = -43.

Question: 10

If m, n, o, p and q are integers, then m(n + o) (p – q) must be even when which of the following is even?

(A) m

(B) n

(D) n + p

Ans: A

When m is even, then m (n + o) (p – q) is even.

REGISTER TO GET FREE UPDATES