Question
(29.892 Γ β290) + 32.98 Γ 6.91 =
? What approximate value should come in the place of (?) in the following questions. (Note:- You don't need to calculate the exact values)Solution
ATQ, (29.892 Γ β290) + 32.98 Γ 6.91 = ? 510 + 231 = ? ? = 741
If (a2 + 1/a2) = 11, then find the value of (a3 - 1/a3).

If 0.125x3 +0.216y3 = 210 and 0.25x2 + 0.36y2 = 10.30 then find the value of 0.5x + 0.6y.
- If, a 3 Β + b 3 Β = 485 and a + b = 5, then find the value of (1/a) + (1/b) .
If the sum of three numbers is zero, then which of the options below will always be equal to the value of the sum of the cubes of those numbers?
If (a2 + 1/a2) = 18, then find the value of (a3 - 1/a3).
If, 4x + y = 10, and 2xy = 8, and 4x > y, then find the value of 64xΒ³ β yΒ³.
Solve the following system of equations and find (x + y):
2x + 3y = 17
4x β 5y = 1
Find the number of zeroes in 24 Γ 50 Γ 64 Γ 15.