Question
√1024.21 × √624.89 ÷ 4.98 + 11.99 × 4.01 =
? 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.)ÂSolution
ATQ, √1024.21 × √624.89 ÷ 4.98 + 11.99 × 4.01 = ? √1024 × √625 ÷ 5 + 12 × 4 ~ ? 32 × 25 ÷ 5 + 48 ~ ? 32 × 5 + 48 ~ ? 160 + 48 ~ ? ? ~ 208
If x4 + x3 + x2 + x + 1 = 0, then find the value of x1525 + x720 + 14 + x320 =?
4, 10, 19, 30, 43, ?
If the seven-digit number 94x29y6 is divisible by 72, then what is the value of (2x+3y) for x ≠ y?
- If (a 2  + 1/a 2 ) = 66, then find the value of (a 3  – 1/a 3 ).
If x + y + z = 9 and (x2Â + y2Â + z2) = 21, then find the value of (xy + yz + zx)
Suppose xy = -15 and (x² + y²) = 34, then determine the value of (x – y).
The certain sum amounts to Rs11313.5 in 2(1/2) years at 12% p.a., interest compounded 10 months. The sum (in Rs) is:
If x2 – xy + y2 = 16 and x4 + x2y2 + y4 = 320 then find x2 + xy + y2...
If 10x2 – 6xy+y² – 4x+4= 0, then find the value of (3x+2y).
Relevant for Exams:
