Math (Practice Test-1)

1. The Value of sin π⁄6 . cos π⁄6 . tan π⁄3 is – 

  • 1/4
  • 1/2
  • 1
  • 0
Answer
0

2. if log (k² – 4k = 5) = 0, then the value of k is –

  • 0
  • 1
  • 3
  • 2
Answer
3

3. The square root of 0.9 is? 

  • 0.3
  • 0.948
  • 0.9
  • 0.03
Answer
0.948

4. If the selling price of 20 articles is the same as cost as the price of 23 articles, Find the profit %?

  • 15%
  • 12%
  • 18%
  • 20%
Answer
18%

5. How many times will an amount grow in 02 years at the compound interest rate of 05% per annum?

  • 2
  • 2 (1/4)
  • 2 (1/2)
  • 2 (3/4)
Answer
2 (1/4)

6. Calculate compound interest on Rs 400/- at the rate of 5% for 02 years.

  • 41
  • 35
  • 45
  • 40
Answer
41

7. The ratio of the volume of a cube and a sphere enclosed within is-

  • 6: π
  • 3: π
  • 3: Yπ
  • 12: π
Answer
6: π

8. A car moves on a circular path of radius 10m. It completes 5 revolutions is 5 minutes. What is its average speed?

  • 100 π Rad/s
  • 20 π Rad/s
  • 100 π Rad/Min
  • 20 π Rad/Min
Answer
20 π Rad/Min

9. If the value of pressure is 10⁶ dyne/cm² in C.G.S. system, then calculate its value is S.I. unit.

  • 10⁵ N/m²
  • 10⁷ N/m²
  • 10⁴ N/m²
  • 10⁶ N/m²
Answer
10⁵ N/m²

10. A machine gun fires 30 bullet as the rate of 6 bullents per second with a speed of 400 ms⁻¹. What Force is needed to keep the gun in position?

  • 72 N
  • 36 N
  • 7.2 N
  • 3.6 N
Answer
72 N