(Left) 9 7 4 5 1 8  2 7 5 1 3 4 2 3 7 4 9  5 2 7 5  6 9  2 8 5 4 1 9 3 (Right)

How many such odd digits are there, each of which is immediately preceded(ପୂର୍ବ) by an odd digit and also immediately followed(ପରେ) by an odd digit?  

(Left) 9 8 7 4 5 3 2 4 5 6 8 1 2 3 5 6 7 6 5 3 9 (Right)

How many such even digits are there, each of the which is immediately preceded (ପୂର୍ବ )by a perfect square and immediately followed (ପରେ ) by an odd digit? (NOTE: 1 is also a perfect square)

The length of a rectangular field is 7 m more than its breadth. The area of the field is 450 m². What is the breadth?

✅Formula is [ Area = Length × breadth ] Or [-b±√b²-4ac÷2a]

In 2026, which Indian educator won the $1 Million Global Teacher Prize at the World Governments Summit in Dubai for promoting education through educational wall murals and learning centres?

What is the value of (?) in the following equation?
(41.99² − 18.04²) − ? = 13.11² − 138.99
✅Using identity: a² − b² = (a − b)(a + b) (Approximation) 41.99 ≈ 42 18.04 ≈ 18 13.11 ≈ 13 138.99 ≈ 139

A 60 litre mixture of milk and water contains 10% water. How much water must be added so that water becomes 25% of the new mixture?

✅ water = 60×10÷100= 6L, Milk = 60 − 6 = 54 litres, Let x litres water be added. New water = 6 + x÷54=25÷75

A 90 litre mixture of milk and water contains 20% water. How much water must be added so that water becomes 40% of the new mixture?

Ayesha borrows ₹5000 at 8% simple interest per annum for 3 years and lends the same amount at 8% compound interest (compounded yearly) for 3 years. What is her gain?

✅Simple Interest & Compound Interest Difference SI=P.T.R÷100, CI= P[(1+R/100)^T -1]

Ayesha borrows ₹2000 at 5% simple interest per annum for 3 years and lends the same at 5% compound interest (compounded yearly) for 3 years. What is her gain?

Ayesha borrows ₹4000 at 5% simple interest per annum for 2 years and lends the same at 5% compound interest (compounded yearly) for 2 years. What is her gain?

✅ Difference CI-SI

Ayesha borrows ₹1000 at 10% simple interest per annum for 3 years and lends the same at 10% compound interest (compounded yearly) for 3 years.
What is her gain?

ଭାଷା ପ୍ରକାଶିତ ହେବାପାଇଁ ଗ୍ରହଣ କରୁଥିବା ଦୁଇଟି ରୂପ କ’ଣ କ’ଣ?

‘କ’ ବର୍ଗର ଅନ୍ୟନାମ କ’ଣ?

ଯେଉଁ ଶବ୍ଦରୁ କୌଣସି ଗୋଟିଏ ଧ୍ୱନି ବା ବର୍ଣ୍ଣ କାଟି ଦେଲେ ତାହା ପୂର୍ବପରି ଅର୍ଥ ପ୍ରକାଶ କରିବାରେ ଅକ୍ଷମ ହୁଏ, ତାହାକୁ କ’ଣ କୁହାଯାଏ?

ନିମ୍ନଲିଖିତ ମଧ୍ୟରୁ କେଉଁ ପଦର ଲିଙ୍ଗ, ବଚନ, ପୁରୁଷ, କାଳ କିମ୍ବା ବିଭକ୍ତି ଭେଦରେ କୌଣସି ପରିବର୍ତ୍ତନ ହୁଏ ନାହିଁ?

Who is known as the father of the computer?

Who is known as the father of computers in India?