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English SSC CGL Tier I papers. Free 60-minute mocks, 100 questions, 200 marks; +2 correct and −0.5 incorrect. Source: SSC response sheets preserved by SSC Portal. The marked archived keys have not been independently revalidated against final SSC keys; worked explanations are pending review. A/B/C/D correspond to source options 1/2/3/4.

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Question 1 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
A room measures 4 m × 3 m inside, with walls 0.3 m thick. The length of the centre line of the wall is
Choose your answer for question 1
Answer and explanation

Correct answer: A

The internal perimeter is 14 m. The centre line adds one wall thickness at each of the 4 corners: 14 + 4 × 0.3 = 15.2 m.

Question 2 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
Plinth area of a building is the built-up covered area measured at
Choose your answer for question 2
Answer and explanation

Correct answer: C

Plinth area is the covered area measured at the floor level of the lowest storey, including wall thickness.

Question 3 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
To allow for voids and shrinkage, the dry volume of materials required for one cubic metre of wet concrete is taken as about
Choose your answer for question 3
Answer and explanation

Correct answer: D

The dry volume is about 52 to 54 percent more than the wet volume, so 1.54 is used.

Question 4 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
Approximately how many modular bricks (nominal size 20 × 10 × 10 cm) are needed for one cubic metre of brickwork?
Choose your answer for question 4
Answer and explanation

Correct answer: D

One brick with mortar occupies 0.2 × 0.1 × 0.1 = 0.002 m³, so 1 / 0.002 = 500 bricks.

Question 5 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
In valuation, the Years’ Purchase (YP) is the reciprocal of
Choose your answer for question 5
Answer and explanation

Correct answer: B

YP = 100 / i, where i is the rate of interest in percent. Capitalised value = net annual income × YP.

Question 6 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
The cross-sectional areas of an embankment at two sections 20 m apart are 20 m² and 30 m². The volume between them by the mean sectional area method is
Choose your answer for question 6
Answer and explanation

Correct answer: D

Mean area = (20 + 30)/2 = 25 m². Volume = 25 × 20 = 500 m³.

Question 7 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
The cement required for one cubic metre of 1:2:4 concrete, using a dry volume factor of 1.54, is
Choose your answer for question 7
Answer and explanation

Correct answer: D

Sum of ratios = 7. Cement = 1.54 × 1/7 = 0.22 m³ (about 6.3 bags of 35 litres).

Question 8 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
Excavated soil swells by 25 percent. If 100 m³ of soil is excavated in its natural state, the loose volume to be carted away is
Choose your answer for question 8
Answer and explanation

Correct answer: A

Bulking increases the volume: 100 × 1.25 = 125 m³.

Question 9 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
A building costs ₹5,00,000 and has a scrap value of ₹50,000 after 30 years. Annual depreciation by the straight line method is
Choose your answer for question 9
Answer and explanation

Correct answer: C

Annual depreciation = (cost − scrap value)/life = (5,00,000 − 50,000)/30 = ₹15,000.

Question 10 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
Contingencies in an estimate are provided to meet
Choose your answer for question 10
Answer and explanation

Correct answer: C

Contingencies cover small unforeseen items. They are generally taken as 3 to 5 percent.

Question 11 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
The volume of cement mortar needed to plaster a wall area of 20 m² with a 12 mm thick coat (ignoring wastage and the dry volume factor) is
Choose your answer for question 11
Answer and explanation

Correct answer: B

Volume = area × thickness = 20 × 0.012 = 0.24 m³.

Question 12 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
In the measurement of masonry, no deduction is made for openings whose area is up to
Choose your answer for question 12
Answer and explanation

Correct answer: A

The rule of IS 1200 ignores small openings up to 0.1 m² (and ends of beams or joists) to keep the measurement simple.

Question 13 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
A building costing ₹6,00,000 has a scrap value of 10 percent of its cost and a life of 20 years. The annual depreciation by the straight line method is
Choose your answer for question 13
Answer and explanation

Correct answer: D

Scrap value = 0.1 × 600000 = ₹60000. Annual depreciation = (600000 − 60000)/20 = ₹27000.

Question 14 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
Find the quantity of earthwork excavation for a trench 20 m long, 1 m wide and 0.8 m deep.
Choose your answer for question 14
Answer and explanation

Correct answer: A

Volume = 20 × 1 × 0.8 = 16 m³.

Question 15 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
A building has a plinth area of 10 m × 6 m. At a plinth area rate of ₹20000 per m², the approximate cost is
Choose your answer for question 15
Answer and explanation

Correct answer: A

Cost = plinth area × rate = 60 × 20000 = ₹12,00,000.

Question 16 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
Find the quantity of earthwork excavation for a trench 25 m long, 1.2 m wide and 1.5 m deep.
Choose your answer for question 16
Answer and explanation

Correct answer: A

Volume = 25 × 1.2 × 1.5 = 45 m³.

Question 17 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
A room has internal dimensions 6 m × 3 m and walls 0.2 m thick. The length of the centre line of the walls is
Choose your answer for question 17
Answer and explanation

Correct answer: A

Centre line length = internal perimeter + 4 × thickness = 18 + 4 × 0.2 = 18.8 m.

Question 18 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
The estimated cost of a work is ₹1,00,000. After adding 10 percent for contingencies, the total estimate is
Choose your answer for question 18
Answer and explanation

Correct answer: D

Total = 100000 × (1 + 10/100) = ₹1,10,000.

Question 19 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
One cubic metre of 1:2:4 concrete needs 6.4 bags of cement (₹450 per bag), 0.44 m³ of sand (₹1500 per m³), 0.88 m³ of aggregate (₹1600 per m³) and labour of ₹1200. The cost per cubic metre is
Choose your answer for question 19
Answer and explanation

Correct answer: D

Cement = 6.4 × 450 = 2880; sand = 0.44 × 1500 = 660; aggregate = 0.88 × 1600 = 1408; labour = 1200. Total = ₹6148.

Question 20 · Civil Engineering (SSC JE) · Estimating, Costing and Valuation
A square footing is tapered like a frustum of a pyramid with a base 3 m × 3 m, a top 0.6 m × 0.6 m and a height of 0.4 m. Its volume is
Choose your answer for question 20
Answer and explanation

Correct answer: C

V = h/3 (A1 + A2 + √(A1 A2)) = 0.4/3 × (9 + 0.36 + 1.8) = 1.488 m³.

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