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Q:

Choose the missing terms out of the given alternatives Z, S, W, O, T, K, Q, G, ?, ?

A) N,D	B) N,C
C) O,D	D) O,C

Answer & Explanation Answer: B) N,C

Explanation:

The given sequence a combination of two series:
I)Z, W, T, Q, ? and II)S, O, K, G, ?

The pattern I is
Z - 3 = W
W - 3 = T
T - 3 = Q
Q - 3 = N

The pattern in II is
S - 4 = O
O - 4 = K
K - 4 = G
G - 4 = C

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Filed Under: Number Series

Q:

If 47. 2506 = 4*A + 7/B + 2*C + 5/D + 6*E, then the value of 5*A + 3*B + 6*C + D + 3*E is :

A) 55.6003	B) 53.603
C) 153.6003	D) 213.003

Answer & Explanation Answer: C) 153.6003

Explanation:

4*A + 7/B + 2*C + 5/D + 6*E =47.2506
=> 4 * A + 7/B + 2 *C + 5/D + 6*E = 40 + 7 + 0.2 + 0.05 + 0.0006
Comparing the terms on both sides, we get :
4*A =40, 7/B = 7, 2*C = 0.2, 5/D = 0.05, 6*E = 0.0006
A = 10,
B = 1,
C = 0.1,
D = 100,
E = 0.0001.
5*A + 3*B + 6*C + D + 3*E =(5*10) + (3*1) + (6*0.1) +100 +(3*0.0001)
=50 + 3 + 0.6 + 100 + 0.003 = 153.6003.

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Filed Under: Decimal Fractions

Q:

Choose the missing terms out of the given alternatives DHL, PTX, BFJ, ?

A) KOS	B) NRV
C) CGK	D) OIK

Answer & Explanation Answer: B) NRV

Explanation:

1.)D + 12 = P
P + 12 = B
B + 12 = N
2.)H + 12 = T
T + 12 = F
F + 12 = R
3.)L + 12 = X
X + 12 = J
J + 12 = V

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Filed Under: Number Series

Q:

Choose the missing terms out of the given alternatives ADVENTURE,DVENTURE, DVENTUR, ? , VENTU

A) VENTURE	B) VENTUR
C) DVENT	D) DVENTU

Answer & Explanation Answer: B) VENTUR

Explanation:

one of the letter from beginning and one of the letter from the end of a term are removed, one by one, alternate steps

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Filed Under: Number Series

Q:

Choose the missing terms out of the given alternatives Y, B, T, G, O, ?

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

Answer & Explanation Answer: D) L

Explanation:

The given sequence is a combination of two series:
i.)Y,T, O and ii.)B, G, ?
i. consists of 2nd, 7th, 12th letters from end of English alphabet,while
ii. consists of 2nd, 7th, 12th letters from beginning of English alphabet
So, the missing letter in ii.) is the 12th letter from the beginning of English alphabet,which is L.

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Filed Under: Number Series

Q:

Choose the missing terms out of the given alternatives Z, X, S, I, R, R, ?, ?

A) J, I	B) K, M
C) G, I	D) J, K

Answer & Explanation Answer: C) G, I

Explanation:

Z - 2 = X
X - 5 = S
S - 10 = I
I - 17 = R
R - 26 = R
R - 37 = G
G - 50 = I
The series 2, 5, 10, 17, 26, 37, 50 is obtained by the pattern +3, +5, +7, +9, . . . .

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Filed Under: Number Series

Q:

Choose the missing terms out of the given alternatives T, R, P, N, L, ?, ?

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

Answer & Explanation Answer: B) J, H

Explanation:

T - 2 = R
R - 2 = P
P - 2 = N
N - 2 = L
L - 2 = J
J - 2 = H

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Filed Under: Number Series

Q:

The difference between a positive proper fraction and its reciprocal is 9 / 20. Then the fraction is :

A) 3/5	B) 3/10
C) 4/5	D) 5/4

Answer & Explanation Answer: C) 4/5

Explanation:

Let the required fraction be x. Then, (1 / x )- x = 9/20
1 - x^(2) / x = 9 / 20 => 20 - 20 * x^(2) = 9 * x.
20 * x^(2) + 9 *x - 20 = 0.
=> (4 * x + 5) (5 * x - 4) = 0.
=> x = 4 / 5.

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Filed Under: Numbers

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