471. The length (in cm) of a direct common tangent to two circles of radii 14 cm and 5 cm whose centres are separated by a distance of 40 cm is:

  • (A)
  • (B)
  • (C)
  • (D)

472. When 12 is subtracted from a number, it reduces to its 40%. Two-fifth of that number is:

  • (A) 20
  • (B) 12
  • (C) 8
  • (D) 50

473. A cube of edge 4 cm is cut into cubes each of edge of 2 cm. The ratio of the total surface area of one of the small cubes to that of the large cube is equal to:

  • (A) 1 : 64
  • (B) 1 : 16
  • (C) 1 : 4
  • (D) 1 : 8

474. A line from point A is drawn that is tangent to the circle at point B. A secant is also drawn from point A to the circle intersecting it at points C and D. If AB = 42 cm and AC = 21 cm, then what is the ratio between AB and CD?

  • (A) 2 : 3
  • (B) 2 : 5
  • (C) 3 : 2
  • (D) 3 : 4

475. In an isosceles triangle ABC, AB=AC. D is a point inside the triangle such that ∠BAD = 20° = ∠DCB, ∠CAD = 80°. The value of ∠ABC is:

  • (A)
  • (B)
  • (C)
  • (D)

476. A vendor buys 20 dozen bananas for ₹1,200 and sells 5 dozen for ₹350, then his gain percentage is:

  • (A)
  • (B)
  • (C)
  • (D)

477. After an increase of 9% in salary, a person received ₹6,300. What was his salary before the increase (consider integral part only)?

  • (A) ₹3,879
  • (B) ₹5,779
  • (C) ₹5,000
  • (D) ₹4,000

478. The ratio of the outer and the inner circumference of a circular path is 7:6. If the path is 45 m wide, then what is the radius (in m) of the inner circle?

  • (A) 240
  • (B) 120
  • (C) 150
  • (D) 270

479. If x ∶ y = 5 ∶ 6,then 2x + 3y ∶ 3x + 5y is:

  • (A)
  • (B)
  • (C)
  • (D)

480. A certain sum of money is lent out at simple interest. If that money becomes ₹24,000 in 2 years and ₹32,000 in 4 years, the annual rate of interest is:

  • (A) 30%
  • (B) 16%
  • (C) 25%
  • (D) 20%

Total Quizz:- 2701

SSC

The Staff Selection Commission (SSC) Technical Exams are conducted to recruit candidates for technical posts in government departments such as Junior Engineer, Scientific Assistant, Draftsman, and Technical Assistant. These exams require strong conceptual understanding along with practical technical knowledge.

Online Sarkari Exam provides a complete SSC Technical preparation platform with updated syllabus, chapter-wise notes, mock tests, and SSC Technical quizzes to help aspirants crack these exams with confidence.