1941. An interval of 2 hours 25 minutes is wrongly estimated by 2 hours 30.5 minutes. The error percentage is:

  • (A)
  • (B)
  • (C)
  • (D)

1942. Two circles of radii 16 cm and 4 cm, respectively, touch each other externally at Point A. PQ is the direct common tangent of these circles with centres C1 and C2, respectively. What is the length of PQ?

  • (A) 15 cm
  • (B) 20 cm
  • (C) 16 cm
  • (D) 18 cm

1943. A’s marks in Mathematics are directly proportional to practice time. In 6 hours of practice, A gets 70 marks. What should be the practice time (approximately) to get 90 marks?

  • (A) 8 hours
  • (B) 8.3 hours
  • (C) 7 hours
  • (D) 7.7 hours

1944. Let C be a circle with center O and AB be a chord of C such that the length of AB is equal to the radius of C. Let D be any point on major arc of AB. Find ∠AOB and ∠ADB, respectively.

  • (A) 120°; 100°
  • (B) 60°; 30°
  • (C) 100°; 80°
  • (D) 90°; 60°

1945. A person borrowed some money at the rate of 8% per annum for the first two years, at the rate of 11% per annum for the next three years, and at the rate of 16% per annum for the period beyond five years. If he pays a total interest of ₹21,400 at the end of nine years, how much money did he borrow (round to the nearest unit) ?

  • (A) ₹11,938
  • (B) ₹18,738
  • (C) ₹15,938
  • (D) ₹18,938

1946. A person spends 60% of his salary on family expenses, 10% on medical expenses, 5% on charity, and saves the remaining amount. If the amount on savings is ₹4,000, find his monthly salary.

  • (A) ₹16,000
  • (B) ₹12,000
  • (C) ₹14,000
  • (D) ₹15,000

1947. The whole surface area of a cube is 294 cm2. The volume of the cube is:

  • (A) 243 cm3
  • (B) 343 cm3
  • (C) 512 cm3
  • (D) 216 cm3

1948. X and Y can do a job in 18 days; Y and Z can do the same in 24 days. If all the three can finish the job in 12 days, in how many days can X and Z can complete the job?

  • (A)
  • (B)
  • (C)
  • (D)

1949. The price of a motorcycle was $750 last year. The price increased by 20% this year. What is the price of the motorcycle this year?

  • (A) $750
  • (B) $900
  • (C) $600
  • (D) $790

1950. The following pie chart represents the percentage domestic expenditure of Raman over his family. Study the pie chart carefully and answer the question given below. After paying the House Rent and expending over Food and Children’s Education, what is Raman's remaining monthly income (in ₹)?

  • (A) 12,750
  • (B) 20,250
  • (C) 15,750
  • (D) 29,250

Total Quizz:- 2541