RRB Group D 2019 Question Paper (07-Oct-2022) (Shift-1)

Question 1

A statement is given followed by two possible conclusions numbered I and II. You have to assume everything in the statement to be true and on the basis of it, decide which of the conclusions logically follow(s).

Statement:
Playing with mud and butterflies in a garden is more beneficial for small children than watching academic videos on computers or mobile phones.

Conclusions:
I. Mobile phones and computers are harmful for small children.
II. Real experiences are more beneficial than virtual experiences for children's development.

Accepted Answer

Only conclusion II follows

Answer

Neither conclusion follows

Answer

Both the conclusions follow

Answer

Only conclusion I follows

Question 2

The ratio of currents flowing through two electric circuits is 1: 4. If the ratio of resistances is 2: 1, what is the ratio of their powers?

Accepted Answer

1: 8

Answer

8: 1

Answer

1:32

Answer

32: 1

Question 3

sec 0 + tan 0 = p, then find 4sec 0.

Accepted Answer

$\frac{2(1+p^2)}{p} \$

Answer

$\frac{2(1-p^2)}{p} \$

Answer

$\frac{(1+p^2)}{2p} \$

Answer

$\frac{(1+p^2)}{p}$

Question 4

Factorise: y³ - xy² - x²y + x³

Accepted Answer

(y - x)²(y + x)

Answer

(y - x)²(y - x)

Answer

(y-x)(y² + x²)

Answer

(y+x)²(y - x)

Question 5

In a certain code language, 'PROOF' is written as 'OPLKA' and 'BONES' is written as 'AMKAN'. How will 'MINKS' be written in that language?

Accepted Answer

LGKGN

Answer

LKHGO

Answer

LHKHO

Answer

LKGKN

RRB Group D 2019 Question Paper (07-Oct-2022) (Shift-1)

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