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National Mathematics Day 2021: 20 confounding facts about maths you should know

National Mathematics Day is celebrated every year on December 22 to honour India’s famous mathematician Srinivasa Iyengar Ramanujan on his birth anniversary.

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National Mathematics Day is celebrated every year on December 22 to honour India’s famous mathematician Srinivasa Iyengar Ramanujan on his birth anniversary.

It was February 26, 2012, when former Prime Minister Manmohan Singh declared December 22 as National Mathematics Day. This happened while he was on a visit to Madras University during Ramanujan’s 125th birth anniversary in order to pay tribute to his achievements. Since then, December 22 is celebrated as India’s National Mathematics Day.

Here are 20 fun facts about maths

  1. Forty is the only number that is spelt with letters arranged in alphabetical order.
  2. From 0 to 1000, the only number that has the letter ‘a’ in it is one thousand.
  3. Every odd number has an ‘e’ in it.
  4. Zero is the only number that cannot be represented in Roman numerals.
  5. Four is the only number, when written in English, whose spelling contains the same number of letters as the number itself.
  6. The numbers on opposite sides of a dice always add up to seven.
  7. 2 And 5 Are the Only Prime Numbers That End With 2 And 5.
  8. In a room of just 23 people, there’s a 50% chance that two people have the same birthday.
  9. The word “mathematics” only appears in one Shakespearean play, “The Taming of the Shrew”.
  10. As per mathematicians, there are 177147 ways in which we can tie a tie.
  11. Conversely, “one” is the only number that is spelt with letters arranged in descending order.
  12. Googol means 1 followed by 100 zeroes.
  13. The signs Plus (+) and Minus (-) were discovered as early as 1489 A.D.
  14. The calculator which is the most widely used mathematical device in today’s world has actually originated from the concept of an abacus.
  15. If the sum of the digits is divisible by three, then the given number will also be divisible by three. This is known as the rule of divisibility of three.
  16. If you add up all the numbers between 1 to 100 consecutively then the total that you will reach is 5050.
  17. Do you know what a Palindrome Number is? It is a number that reads the same backward and forward, e.g. 12421.
  18. The minimum number of cuts that are required to cut the figure into eight pieces are three i.e. horizontally, vertically, and cutting by the base.
  19. A baseball field is of the perfect shape of a rhombus.
  20. A jiffy is an actual unit of time. It means 1/100th of a second.

Read Also: CBSE Class 12 Computer Science, Informatics practices exam 2021 today, check sample paper, guidelines

India News

Siddaramaiah to step down as Karnataka Chief Minister, names DK Shivakumar as successor

In a major political development, Karnataka Chief Minister Siddaramaiah has announced his decision to step down, clearing the path for his deputy, DK Shivakumar, to assume leadership.

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Bringing the curtain down on a long-standing leadership dispute within the state ruling party, Karnataka Chief Minister Siddaramaiah announced on Thursday morning that he will resign from his post. The significant announcement was made during a breakfast meeting hosted at his official residence, ‘Kaveri’, in Bengaluru, where senior cabinet ministers and Deputy Chief Minister DK Shivakumar were present.

Siddaramaiah informed his cabinet colleagues that he will formally tender his resignation at 3:00 PM. He further requested the ministers to extend their support to DK Shivakumar, declaring him as the next Chief Minister of the state.

A graceful transition of power

The breakfast meeting, which featured traditional Kannada dishes like masala dosa, idli, and kesaribath, served as a poignant farewell from the veteran leader who recently completed three years of his second term in office. Ministers present at the gathering described the atmosphere as emotional yet graceful. While some cabinet members broke down in tears following the announcement, Siddaramaiah remained poised, expressing his gratitude to the team for their cooperation during his tenure.

Ahead of the formal discussions, the two top leaders displayed a strong message of camaraderie and unity. Images released from the residence showed DK Shivakumar touching the Chief Minister’s feet to seek his blessings, followed by a warm embrace between the duo. Following the meeting, the state party unit shared these images on social media with a caption emphasizing that unity remains their core strength and public service their eternal commitment.

High command intervention ends long-standing dispute

The decision follows 48 hours of intense consultations in New Delhi with the party’s central leadership, including Mallikarjun Kharge and Rahul Gandhi. Media reports indicate that the party high command actively facilitated the transition, offering the outgoing Chief Minister a national role, which includes a Rajya Sabha seat.

As the Governor is currently out of the state on personal matters, Siddaramaiah is expected to hand over his resignation letter to the Governor’s secretary at Raj Bhavan. Following the formal acceptance of the resignation, a Legislature Party meeting will be convened to officially elect Shivakumar as the new leader before the scheduled swearing-in ceremony. Meanwhile, celebrations have already erupted outside Shivakumar’s residence, where supporters gathered to distribute sweets and chant slogans welcoming his upcoming elevation.

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Rain and thunderstorms to bring relief to Delhi NCR from intense heatwave

Delhi and NCR are set to get a break from the scorching summer heat as the IMD forecasts thunderstorms and light rain, bringing down the mercury significantly over the weekend.

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Weather

The persistent heatwave gripping Delhi and the National Capital Region (NCR) is expected to ease down as changing weather conditions promise sudden relief. The India Meteorological Department (IMD) has forecast a drop in temperatures alongside incoming thunderstorms and rain across the northern plains.

Thunderstorms and rain predicted for Delhi NCR

According to the weather department, Delhi’s maximum temperature is expected to settle around 43 degrees Celsius, while the minimum is likely to hover near 29 degrees Celsius. The afternoon and evening hours are expected to witness light to very light rainfall, accompanied by strong winds and squalls moving at speeds of 50-60 kmph.

A more drastic change in weather conditions is anticipated on May 29, when maximum temperatures could drop sharply to around 36 degrees Celsius, with minimums decreasing to about 26 degrees Celsius. The region is likely to witness thunderstorms, lightning, rain, and squalls with wind speeds ranging between 40-50 kmph. This cooler trend is predicted to continue through May 30 and 31, keeping the maximum temperatures locked around 35-36 degrees Celsius.

Scorching temperatures persist across northern and central India

Before the arrival of these rains, severe heatwave conditions continued to scorch several parts of the country. Media reports indicate that Banda in Uttar Pradesh recorded a maximum temperature of 47.8 degrees Celsius, followed closely by Prayagraj at 46.4 degrees Celsius and Jhansi at 46 degrees Celsius. The states of Haryana, Chandigarh, and Delhi also registered daytime temperatures ranging between 45 and 46 degrees Celsius.

In Rajasthan, cities like Pilani saw temperatures touch 47 degrees Celsius, while Sri Ganganagar recorded readings 5.5 degrees above normal. Meanwhile, Maharashtra’s Vidarbha region experienced marginal relief, though temperatures remained high around 45 to 46 degrees Celsius. In Nagpur, the intense heatwave conditions led to 11 suspected heatstroke deaths within a 24-hour period.

Southwest monsoon advancement and safety advisories

On a national level, the IMD stated that environmental conditions are turning favorable for the further advance of the southwest monsoon into parts of the Arabian Sea, Lakshadweep, and the Bay of Bengal. Since India relies heavily on the monsoon for its annual rainfall, farming, and drinking water, its timely progression remains critical.

Amidst these soaring temperatures, Prime Minister Narendra Modi urged the public to take necessary precautions. In a statement shared on social media, he advised citizens to stay hydrated, carry water when stepping out, and offer assistance to those working under the sun to combat the harsh summer heat.

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Siddaramaiah not interested in taking Rajya Sabha post, say sources

Sources reveal that Karnataka Chief Minister Siddaramaiah has turned down an offer for a Rajya Sabha seat, preferring to remain active as an MLA in state politics despite leadership transition talks by the Congress high command.

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The political landscape in Karnataka is witnessing intense developments as Chief Minister Siddaramaiah has reportedly expressed his unwillingness to accept a Rajya Sabha berth or transition into a national role in New Delhi. According to sources familiar with the discussions, the veteran leader prefers to remain active within state politics and continue his tenure as an MLA rather than shifting his focus to the national capital.

High command pushes for transition

This revelation comes on the heels of marathon high-level meetings convened by the Congress leadership in Delhi to address the ongoing leadership discussions in Karnataka. Insiders state that the party central leadership has backed Deputy Chief Minister D.K. Shivakumar to take over the top post, in line with internal understandings following the 2023 assembly elections.

To facilitate a smooth leadership transition in the state, the high command offered Siddaramaiah a parliamentary seat in the upcoming Rajya Sabha elections alongside a prominent national role. However, sources indicate that the Chief Minister has rejected this proposal and requested more time to deliberate on his next steps.

Official stance downplays leadership shift

Publicly, senior party leaders have sought to quell rumors regarding an immediate change of guard. Following a lengthy deliberation at the party headquarters, General Secretary K.C. Venugopal stated to the media that the discussions were exclusively centered around selecting candidates for the upcoming Rajya Sabha and Legislative Council seats in Karnataka. He dismissed reports of an imminent chief ministerial swap as mere speculation.

Siddaramaiah also echoed this sentiment when questioned by journalists, emphatically denying that any leadership changes were debated during the official meeting. Despite these denials, political circles remain abuzz, as the Chief Minister has reportedly met with cabinet ministers and loyalists to discuss the evolving situation before returning to Bengaluru.

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