14
Q:

Simplify and find '?'

48?+32? = 320

A) 4 B) 8
C) 16 D) 32

Answer:   C) 16



Explanation:

given

 48?+32?= 320 

=> 6?+4?=40

Now squaring on both sides

=> 36 x ? + 16 x ? + 48 x ? = 1600

=> 100 x ? = 1600

=>  ? = 16

Subject: Simplification
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO
Q:

If  1515151515....... and x > 0, then find the value of x2 + 4.

 

A) 125 B) 179
C) 200 D) 229
 
Answer & Explanation Answer: D) 229

Explanation:
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0 4505
Q:

If 2560.256 = 25.6x, then what will be the value of x?

A) 2.56 B) 25.6
C) 0.256 D) 0.0256
 
Answer & Explanation Answer: D) 0.0256

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0 383
Q:

Find the unit place digit in the expression (159)144 + (114)123 - (110)510 + (213)25

 

A) 3 B) 4
C) 7 D) 8
 
Answer & Explanation Answer: D) 8

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0 5716
Q:

If (x + 1x) = 2, then find the value of (x3 + 1x3) ÷ (x18 + 1x18)

 

A) 2/9 B) 5
C) 1 D) 1/9
 
Answer & Explanation Answer: C) 1

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Q:

The two roots of an quadratic equation are given as x = 2/3 and x = -1/2. The equation can be written as

A) (2x - 1) (3x + 2) = 0 B) (2x + 1) (3x + 2) = 0
C) (2x + 1) (3x - 2) = 0 D) (2x - 1) (3x - 2) = 0
 
Answer & Explanation Answer: D) (2x - 1) (3x - 2) = 0

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Exam Prep: Bank Exams

1 351
Q:

If x2 + ax + b, when divided by x - 4, leaves a remainder of 32 and x2 + bx +a, when divided by x - 4, leaves a remainder of 35, then a + b = ?

 

A) -7 B) 23
C) 7   D) -23
 
Answer & Explanation Answer: D) -23

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0 344
Q:

Find the degree of the polynomial 8x4 + 2x2y3 + 4

A) 4 B) 5
C) 0 D) 1
 
Answer & Explanation Answer: B) 5

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Q:

Find the products : 0.5 x 0.05 x 0.005 x 500

A) 0.0625 B) 0.00625
C) 0.06255 D) 0.625
 
Answer & Explanation Answer: A) 0.0625

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