In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

She is walking (1)/ in the park (2)/ since morning. (3)/ No error (4)

Washing machines and microwave oven are operated by _______________ embedded inside these gadgets.

Which of the statements given below are correct?

A) Rafael Nadal won the Tennis 2017 Australian Open Men's Singles.

B) In 2017, Virat Kohli captained the IPL team Royal Challengers Bangalore.

C) Serena Williams won the Table Tennis 2017 ITTF World Tour Grand Finals Women's Singles

The power of an earthquake is expressed in terms of a magnitude on a scale called __________ scale.

The SI unit of G, the universal gravitation constant is ______________.

The time period of a sound wave is 0.01 seconds. Find its frequency (in Hz).

On 3 January 2018, Lok Sabha passed Ancient Monuments and Archaeological Sites and Remains (Amendment) Bill, 2017. The Bill empowers which agency/authority to consider an impact assessment of proposed works in prohibited area?

Under GST regime, in ‘Composition Scheme’, taxpayers have to fill returns ______.