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Q:

A number is 2 more than thrice the second number and 4 times the smaller number is 5 more than the greater number. What is greater number ?

A) 7	B) 23
C) 9	D) 21

Answer & Explanation Answer: B) 23

Explanation:

Let the greater and smaller number be p and q respectively.

4q = p + 5 ------ (I)

p = 3q+2 ------- (II)

From equation (I) and (II)

q = 7

p = 23

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Q:

Solve the Number Puzzle ?

number_puzzle1503907077.jpg image

A) 20	B) 24
C) 26	D) 30

Answer & Explanation Answer: C) 26

Explanation:

Here the puzzle follows the logic that

Right side number = sum of the number on the left side and the previous number on the left side

=> 6 = 4+2

=> 10 = 6+4

=> ? = 16+10 = 26.

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Q:

What will come in place of the question mark (?) in the following number series?

5, 7, ?, 25, 45, 75

A) 11	B) 13
C) 15	D) 19

Answer & Explanation Answer: B) 13

Explanation:

The series given follow the pattern

+2, +2+4, +2+4+6, +2+4+6+8, +2+4+6+8+10,...

Here ? = 7 + 2 + 4 = 13.

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Filed Under: Odd Man Out
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Q:

Complete the number series given below ?

13 19 37 ? 141 243

A) 58	B) 67
C) 75	D) 96

Answer & Explanation Answer: C) 75

Explanation:

The given series follows the pattern that

exp.

So the missing number is 37 + 38 = 75

75 + 66 = 141

....

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Q:

What will be added to the unit digits of the number 86236 so that number will be divisible by 9 ?

A) 1	B) 2
C) 3	D) 0

Answer & Explanation Answer: B) 2

Explanation:

A number is divisible by 9 only if the sum of the digits of the number is divisible by 9.

Here 86236 = 8 + 6 + 2 + 3 + 6 = 25

We must add 2 to 25 to become 27 which is divisible by 9.

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Q:

What will come in the place of the (?) in the following number series ?

5 14 45 130 (?) 1182

A) 222	B) 397
C) 404	D) 415

Answer & Explanation Answer: B) 397

Explanation:

The pattern of given series is :

5

14 = (5x3) - 1

45 = (14x3) + 3

130 = (45x3) - 5

(?) = (130x3) + 7

=> (?) = 397

1182 = (397x3) - 9

Thus, the missing number is 397.

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Q:

Find out the wrong term in the following number series.

4, 16, 37, 58, 81.

A) 16	B) 37
C) 81	D) 4

Answer & Explanation Answer: C) 81

Explanation:

The series follows the following pattern.

4

16 = $4^{2}$

37 = $1^{2} + 6^{2}$

58 = $3^{2} + 7^{2}$

81 $\neq 5^{2} + 8^{2}$ .

Here every number is based on the digits of previous number. Hence, 81 is the wrong number in the given series.

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Filed Under: Odd Man Out
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Q:

In the following question, two equations numbered 1 and 2 are given. You have to solve both the equations and determine the relation between a and b.

1. $5 a^{2} - 18 a + 9 = 0$

2. $3 b^{2} + 5 b - 2 = 0$

A) a >= b	B) a <= b
C) a < b	D) a > b

Answer & Explanation Answer: D) a > b

Explanation:

From solving 1 and 2 we get,

1.

5a(a-3)-3(a-3) = 0

(5a-3)(a-3) = 0

a = 3 or 3/5

2.

3b(b+2)-1(b+2) = 0

b = -2 or b = 1/3

Here when a = 3, a > b for b = -2 and b = 1/3

when a = 3/5. a > b for b = -2 and b = 1/3.

Hence, it is clear that a > b.

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