Explanation

Answer:

c

Mach number is a measure of the speed of an airplane. When we say an aircraft is flying at Mach 1, it means that the speed of the vehicle is 343 m/s. Mach number is the ratio between the true airspeed of the aircraft and the local speed of sound.

Explanation

• set up in 1969,
• the UNFPA is the largest international source of assistance for population applications and the main United countries (UN) employer for the implementation of the 1994 Programme of motion of the global conference on populace and development.
  

Explanation

D

ANS:

The highlighted word implies 'quality of giving to others'. Option D is adjust. 'Generosity' moreover implies 'quality of giving to others'. In this way, it has the specified meaning and is the right answer.

Explanation

• the existing UNCTAD Secretary-wellknown is Dr. Mukhisa Kituyi from Kenya in view that September 1,2013.
• UNCTAD currently has 195 member States, and its headquarter is placed in Geneva, Switzerland.
• UNCTAD's paintings programme is mounted at ministerial meetings which take region every four years. The contemporary programme of labor is framed via the Nairobi Maafikiano, accredited in July 2016 at UNCTAD XIV held in Nairobi, the maximum current quadrennial ministerial convention.
• The trade and developmental Board (TDB) oversees the activities of UNCTAD. There are one regular TDB session and up to a few govt sessions consistent with 12 months. There are  Commissions under TDB, particularly exchange and development fee and funding, organization and development fee.

Explanation

Hyperglycemia due to diabetes can damage blood vessels, the heart, and the nerves that control blood vessels. Over time, this damage can lead to heart disease. People with diabetes are more likely to develop heart disease earlier than people without diabetes.

Explanation

List of Secretaries-General of the All-India Muslim League

1. Sir Agha Khan (1906-1913)
2. Sir Muhammad Shafi (1913-1916)
3. Maulana Mohammad Ali Jauhar (1916-1918)
4. Maulana Shaukat Ali (1918-1920)
5. Nawab Viqar-ul-Mulk (1920-1921)
6. Muhammad Ali Jinnah (1920-1921)
7. Muhammad Shafi (1921-1923)
8. Liaquat Ali Khan (1923-1928)
9. Sir Sikandar Hayat Khan (1928-1931)
10. Raja Sahib of Mahmudabad (1931-1936)
11. Sir Abdullah Haroon (1936-1941)
12. Khawaja Nazimuddin (1941-1947)

Explanation

The salt content in seawater is mainly due to the presence of sodium chloride i.e sodium and chlorine. The abundant element in  seawater is chloride, which accounts for 1.94% of  the total composition. 

 Chloride is followed by 1.08% sodium, 0.04% potassium  and a small amount of iodine.

Explanation

When sound is reflected from floor ceiling or a wall, it mixes with the original sound and change its complexion, it is called as Reverberation

Explanation

Answer:

A

Abdul Qadir Bada'uni 

 Abdul Qadir Bada'uni (1540 – 1615) was a famous Mughal historian who flourished in the court of Akbar. He did not accept Akbar's religious views. As an Orthodox Sunni, Badauni made a list of accusations against Akbar and called him an enemy of Islam.

Explanation

A non-reversible square matrix (m = n)  is called singular or degenerate.

A square matrix is ​​singular only if the determinant is 0.