Question
20.22% of (61.9 × 5.01) + 69.97
=? 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.)Solution
20% of (62 x 5) + 70 =? 20% of 310 + 70 =? 62 + 70 =? ? = 132
- If (x 2 = 12x – 36), then find the value of [x³ + (x⁴/36)][6 - x³]
If √t + (1/√t) = 5, then find the value of t + (1/t).
If x = 15, find x5 - 16x4 + 16x3 - 16x2 + 16x - 16 = ?
4, 10, 19, 30, 43, ?
The mean age of 30 students was calculated as 15 years. However, it was later discovered that one student's age was mistakenly entered as 15 years inste...
25, 25.8, 27.4, 29, 33, 37
If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?
If √e + (1/√e) = 10, then find the value of e + (1/e).
If, ( a + b = 8 ) and ( a² + b² = 40 ), then find the value of (a³ + b³).
If x2 = 15x + 1, then find the value of {x3 - (1/x3) }.