Question Discussion & Solution

The correct answer is Yamuna River System.

Key Points

• The Betwa is a tributary of the Yamuna River.
• It originates in the Vindhya Range in Madhya Pradesh and flows through Orchha (Madhya Pradesh) before reaching Uttar Pradesh.
• It joins the Yamuna River near Hamirpur after traveling 590 kilometers.
• The Betwa River has two major tributaries: the Halali and Dhasan Rivers.
• The Yamuna river is a major tributary of the river Ganges, it originates from the Yamunotri glacier near the Banderpoonch peaks of the lower Himalayas.
• It travels a total length of 1,376 kilometers and merges with the Ganges at Triveni Sangam, Prayagraj (Allahabad).
• Tons, Hindon, Ken, Betwa, Chambal rivers are some of its tributaries.

Additional Information

• Ganga River System:
  • The Ganga (the Padma in Bangladesh) forms by the confluence of Alakhnanda and Bhagirathi at Devprayag.
  • Bhagirathi originates from Gangotri glacier and Alakhnanda originates from Satopanth glacier.
  • The total length of the Ganga river is 2525 km.
  • Some of the tributaries of Ganga are the Yamuna, the Ramganga, the Gomati, the Ghaghara, the Gandak, the Kosi and the Mahanada.
• Narmada:
  • The Narmada is the largest west-flowing river in India.
  • It rises near the Amarkantak range of mountains in Madhya Pradesh.
  • It is the fifth-largest river in the country.
  • The total length of the river is 1312 kilometers.
  • The Sher, the Dudhi, the Tawa (biggest tributary), the Ganjal, the Hiran, the Barna, the Choral, and the Lohar are some of the tributaries of the Narmada river.
• Tapti:
  • Tapti River is one of the major rivers of peninsular India.
  • Its total length is 724 km.
  • The Tapti river source of origin lies in Multai, in the Betul district of Madhya Pradesh.
  • Vaki, Gomai, Arunavati, Aner, Panjhra, Bori, and Girna are some of the tributaries.

Ocean is the mass of water.

Similarly,

Desert is the mass of sand.

The correct answer is Sodium carbonate.

Key Points

• A toothpaste is defined as a semi-solid material for removing naturally occurring deposits from teeth and is supposed to be used simultaneously with a toothbrush.
• Toothpaste generally contains the following components:
  • Water (20–40%)
  • Abrasives (50%) including aluminum hydroxide, calcium hydrogen phosphates, calcium carbonate, magnesium carbonate, silica, and hydroxyapatite.
  • Fluoride (usually 1450 ppm) mainly in the form of sodium fluoride.

Concept:

The Android operating system was developed by Google for use in all of its touchscreen devices, tablets, and cell phones. This operating system was first developed by Android, Inc., a software company located in Silicon Valley before it was acquired by Google in 2005

The first public release of Android 1.0 occurred with the release of the T-Mobile G1 (aka HTC Dream) in October 2008. Android 1.0 and 1.1 were not released under specific code names.

Android name with their respective versions

After reading statements and conclusion we decide that -

i) Some basketball players are not women. → False (We do not have any information about the other basketball player they can be women or men)

ii) Not all basketball players are women.→ False (This is a possibility but we cannot say definitely)

Hence, option 4 is the correct answer.