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Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. A, B, N, C, D, O, E, F, P, ?, ?, ?

A) G, H, Q	B) J, K, L
C) G, H, J	D) G, H, I

Answer & Explanation Answer: A) G, H, Q

Explanation:

The series consists of 2 groups (A, B, C, D, E, F, ?, ?) and (N, O, P, ?). The series is made of two terms of first group followed by one term of second group.

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Filed Under: Number Series

Q:

A train moves with a speed of 108 kmph. Its speed in metres per second is :

A) 10.8	B) 18
C) 30	D) 38.8

Answer & Explanation Answer: C) 30

Explanation:

108 kmph = 108*[5/18] m/sec = 30 m / s.

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Filed Under: Problems on Trains

Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. Z, U, Q, ?, L

A) N	B) M
C) I	D) K

Answer & Explanation Answer: A) N

Explanation:

The letters move 5, 4, 3, ... steps backward.

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Filed Under: Number Series

Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. CMW, HRB, ?, RBL, WGQ, BLV

A) WMX	B) MWG
C) LVF	D) LWG

Answer & Explanation Answer: B) MWG

Explanation:

The letters move five steps forward.

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Filed Under: Number Series

Q:

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. AZ, GT, MN, ?, YB

A) TS	B) SH
C) KF	D) RX

Answer & Explanation Answer: B) SH

Explanation:

First letter moves 6 steps forward. Second letter moves 6 steps backward.

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Filed Under: Number Series

Q:

Correct expression of 6.46 is

A) 640/99	B) 640/90
C) 64000/99	D) 640/9

Answer & Explanation Answer: A) 640/99

Explanation:

$6.46 = 6 + 0.46 = 6 + (\frac{46}{99}) \frac{(594 + 46)}{99} = > \frac{640}{99}$

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Filed Under: Decimal Fractions

Q:

What decimal of an hour is a second

A) .0028	B) .0027
C) .0026	D) .0025

Answer & Explanation Answer: B) .0027

Explanation:

1 / (60 * 60) = 1 / 3600 = .0027

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Filed Under: Decimal Fractions

Q:

What will be the value of ${(25.732)}^{2} - {(15.732)}^{2}$

A) 214.64	B) 314.64
C) 414.64	D) 412.64

Answer & Explanation Answer: C) 414.64

Explanation:

Can be easily solved with following formula

$(a^{2} - b^{2}) = (a - b) \times (a + b)$

= (25.732 - 15.732 ) x (25.732 + 15.732)

=414.64

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Filed Under: Decimal Fractions

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