Question
A hemispherical bowl with an internal radius of 18 cm is
full of liquid. This liquid will be filled in cylindrical bottles each radius of 3 cm and height 6 cm. How many bottles are required to empty the bowl .Solution

Which of the given trigonometric identities is incorrect ?
1. tan2 θ = sec2 θ - 1B. cosec2 θ = 1 + cot
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
(88.931% of 435) + (61.521% of 516) = ?
Monthly income of A is Rs. 66000 out of which he spent 18%, 11% and 21% of his total income in rent, medicine and transportation, respectively. Find his...
(56.04% of 550.06 + 19.92 × 18.13) – 121.97 = ?
Two trains, 'P' and 'Q', are moving with speeds of 16 m/s and 24 m/s, respectively. The lengths of the trains are in the ratio 3:...
?% of (144.31 ÷ 17.97 × 60.011) = 239.98
? = 540.24 + 1022.97 – 11.992 Â
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
15.001% of 799.99 - 3/11% of 1099.99 + 111.002 = ?