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Question 11

RRB Section Controller 2026• Test

Read the passage and answer the questions.

Spiders inhabit every continent except Antarctica and play dual roles as predators and prey. They employ varied hunting tactics — spinning intricate webs to ensnare victims or ambushing them from concealment. Except for the herbivorous Bagheera kiplingi, these eight-legged carnivores subsist mainly on insects, though some consume lizards, birds, frogs, fish, or even snakes. Certain species prey on other spiders, while female widow spiders notoriously devour their mates. Spiders themselves fall victim to lizards, birds, scorpions, and even parasitic wasps that entomb them alive. In parts of the South Pacific and Southeast Asia, they are considered edible delicacies. Most spiders possess venom designed to immobilise prey, not humans. Only about 25 known species produce venom harmful to humans, and fatalities are exceedingly rare. The feared Sydney funnel-web spider has caused no deaths since the 1981 anti-venom. Hairy spiders such as tarantulas defend themselves by releasing urticating hairs that irritate skin and eyes. Spiders create multiple kinds of silk — some adhesive for trapping, others remarkably strong. Orb-weaver silk rivals steel in tensile strength, and scientists have replicated it synthetically for applications from artificial tissue to resilient sportswear. Despite their adaptability, spiders generally remain near their habitats; only 'ballooning spiders' travel long distances. Ironically, although many fear them, less than 2% of species are harmful to humans.

Identify the synonym of the word 'replicated' as used in the passage.

  1. AOption (a)

    Modified

  2. BOption (b)

    Copied

  3. COption (c)

    Destroyed

  4. DOption (d)

    Tested

View answer & explanation

Correct answer

Answer: (a)A.

Modified

Explanation not yet available.

Question 12

RRB Section Controller 2026• Test

Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons.

In row 1 – C, D, E and F are seated and all of them are facing south.

In row 2 – J,K, L and M are seated and all of them are facing north.

Thus each person faces another person from the other row. C sits third to the right of E. The one facing M is an immediate neighbour of E. The one facing D is an immediate neighbour of M. The one facing C is an immediate neighbour of L.J sits at some place to the left of K.

Who amongst the following faces L?

  1. AOption (a)

    F

  2. BOption (b)

    C

  3. COption (c)

    E

  4. DOption (d)

    D

View answer & explanation

Correct answer

Answer: (a)A.

F

Explanation not yet available.

Question 13

RRB Section Controller 2026• Test

A brick measures 5 m in length, 4 m in breadth and 3 cm in height. How many bricks will be used to make a wall of length 15 m, breadth 20 m and height 4 m?

  1. AOption (a)

    200

  2. BOption (b)

    20,000

  3. COption (c)

    20

  4. DOption (d)

    2,000

View answer & explanation

Correct answer

Answer: (a)A.

200

Explanation not yet available.

Question 14

RRB Section Controller 2026• Test

The sum of the present ages of Hitesh and Jitesh is 96 years. After 2 years from now, Hitesh's age will be three times that of Jitesh. Hitesh's present age (in years) is:

  1. AOption (a)

    75

  2. BOption (b)

    73

  3. COption (c)

    67

  4. DOption (d)

    76

View answer & explanation

Correct answer

Answer: (a)A.

75

Explanation not yet available.

Question 15

RRB Section Controller 2026• Test

By how much is 30% of 65 greater than 35% of 50?

  1. AOption (a)

    2

  2. BOption (b)

    4

  3. COption (c)

    1

  4. DOption (d)

    3

View answer & explanation

Correct answer

Answer: (a)A.

2

Explanation not yet available.

Question 16

RRB Section Controller 2026• Test

Each of G, H, I, J, N, O and P has a flight on a different day of a week, starting from Monday and ending on Sunday of the same week. Only one person has a flight after J. Only three people have flights between P and O. Only one person has a flight between H and N. Only two people have flights between J and P. I has a flight immediately before H. How many people have flights between G and H?

  1. AOption (a)

    Three

  2. BOption (b)

    One

  3. COption (c)

    Two

  4. DOption (d)

    Four

View answer & explanation

Correct answer

Answer: (a)A.

Three

Explanation not yet available.

Question 17

RRB Section Controller 2026• Test

The average of 8 numbers is 59. If each number is increased by 4, what will the new average be?

  1. AOption (a)

    59

  2. BOption (b)

    8

  3. COption (c)

    67

  4. DOption (d)

    63

View answer & explanation

Correct answer

Answer: (a)A.

59

Explanation not yet available.

Question 18

RRB Section Controller 2026• Test

The ratio of the heights of a right circular cone and a right circular cylinder is 2 : 9 and the ratio of the radii of their bases is 7 : 2. If the volume of the cylinder is 972 cm\( ^3 \), then the volume (in cm\( ^3 \)) of the cone is:

  1. AOption (a)

    885

  2. BOption (b)

    889

  3. COption (c)

    882

  4. DOption (d)

    891

View answer & explanation

Correct answer

Answer: (a)A.

885

Explanation not yet available.

Question 19

RRB Section Controller 2026• Test

The HCF of two numbers is 12, and their product is 31104. How many such pairs of numbers are possible?

  1. AOption (a)

    2

  2. BOption (b)

    5

  3. COption (c)

    1

  4. DOption (d)

    4

View answer & explanation

Correct answer

Answer: (a)A.

2

Explanation not yet available.

Question 20

RRB Section Controller 2026• Test

The amount of extension in an elastic string varies directly with the weight hung on it. If a weight of 127 gm produces an extension of 2.3 cm, then what weight would produce an extension of 16.1 cm?

  1. AOption (a)

    1048 gm

  2. BOption (b)

    889 gm

  3. COption (c)

    762 gm

  4. DOption (d)

    917 gm

View answer & explanation

Correct answer

Answer: (a)A.

1048 gm

Explanation not yet available.