1,000+ Simplification Questions for Bank Exams Pdf - 9

 Question: 1

A board 7 ft. 9 inches long is divided into 3 equal parts. What is the length of each part?

(A) 2 ft. 7 inches

(B) 4 ft. 7 inches

(C) 6 ft. 7 inches

(D) 8 ft. 7 inches

View Answer

Ans: A

Length of board = 7 ft. 9 inches = (7 x 12 + 9) inches = 93 inches.

Length of each part = (

93

3

) inches = 31 inches = 2ft. 7 inches.

Question: 2

A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was

(A) 10

(B) 12

(C) 16

(D) 18

View Answer

Ans: B

Let the number be x. Then, 52x - 25x = 324

⇒ 27x = 324

⇒ x = 12.

Question: 3

The simplification of (

75983×75983−45983×45983

30000

) yields the result

(A) 121796

(B) 121866

(C) 121956

(D) 121966

View Answer

Ans: D

Given expression = 

(75983)2−(45983)2

75983−45983

                           = 

(75983−45983)(75983+45983)

(75983−45983)

                           = 75983 + 45983 = 121966.

Question: 4

Find the value of (1−

1

3

)(1−

1

4

)(1−

1

5

)…..(1−

1

100

)

(A) 

1

20

.

(B) 

1

30

.

(C) 

1

50

.

(D) 

1

70

.

View Answer

Ans: C

Given expression = 

2

3

×

3

4

×

4

5

×….×

99

100

 = 

2

100

 = 

1

50

.

Question: 5

(−5)(4)(2)(

−1

2

)(

3

4

) = ?

(A) 10

(B) 15

(C) -15

(D) 30

View Answer

Ans: B

Given expression = (5×4×2×

1

2

×

3

4

) = 15.