2cos[(C+D)/2]sin[(C-D)/2] is equal to
1). sinC + sinD
2). sinC - sinD
3). cosC - cosD
4). cosC + cosD
What is the approximate circumference of earth?
1). 40,000 Km
2). 60,000 Km
3). 80,000 Km
4). 1,00,000 Km
Select the related word/letters/number from the given alternatives.
81 : 121 : : 49 : ?
1). 81
2). 62
3). 52
4). 100
When 0.363636.....is converted into a fraction, then the result is _____.
1). 7/11
2). 4/11
3). 14/33
4). 8/33
______________ was a philosopher and theologian from India during early 8th century who consolidated the doctrine of Advaita Vedanta.
1). Adi Shankara
2). Dyaneshwar
3). Eknath
4). Madhvacharya