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# Two smaller circles touch a large circle internally and pass through the center O of the larger circle. If the diameter of the bigger circle is 28 cm, thenwhat is the area of the bigger circle which is not enclosed by the two smaller circles (in sq.cm)?

 A) 154 B) 256 C) 308 D) 616

Answer:   C) 308

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Q:

Solve the below equation.

 A) 94 B) 65 C) 214 D) 215

Answer & Explanation Answer: C) 214

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0 29
Q:

Which of the following is an example of a metal that needs to be stored under oil?

 A) Potassium B) Gold C) Iron D) Silver

Answer & Explanation Answer: A) Potassium

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0 39
Q:

Pabitra had$1927$ l of petrol in the fuel tank of his vehicle at the start of a journey. During the journey,$1312$ l of petrol was consumed. What fraction of the initial petrol was left in the fuel tank after the journey?

 A) 710 B) 35 C) 310 D) 1140

Answer & Explanation Answer: C) 310

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0 30
Q:

If A lies in third quadrant, and $20tanA=2120 tan A = 21$, then the value of $5sinA-2cosA4cosA-57sinAfrac{5 sin A - 2 cos A}{4 cos A - frac{5}{7} sin A}$

 A) -6529\frac{-65}{29} B) 15\frac{1}{5} C) 529\frac{5}{29} D) 1312\frac{13}{12}

Answer & Explanation Answer: B) 15\frac{1}{5}

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2 44
Q:

The sum of the squares of 3 natural numbers is 1029, and they are in the proportion 1 : 2 : 4. The difference between greatest number and smallest number is:

 A) 15 B) 21 C) 31 D) 18

Answer & Explanation Answer: B) 21

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0 69
Q:

Two circles of radii 8 cm and 6 cm touch each other externally. The length of the direct common tangent is:

 A) 13.86 B) 20 C) 10.12 D) 24

Answer & Explanation Answer: A) 13.86

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Q:

Which of the following physical quantities has no unit?

 A) Momentum B) Density C) Pressure D) Relative density

Answer & Explanation Answer: D) Relative density

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0 556
Q:

Satya Pal Malik was appointed as the governor of ....... by President Ram Nath Kovind.

 A) Chhattisgarh B) Bihar C) Odisha D) Jharkhand

Answer & Explanation Answer:

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