Question
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.) 31.2 × 19.7 + 48.3 × 2.1 = ?Solution
ATQ,
31.2 × 19.7 ≈ 31 × 20 = 620
48.3 × 2.1 ≈ 48 × 2 = 96
⇒ 620 + 96 = 716
More Approximation Questions
If ( m+n ) : √ (mn) = 4, m>n , Then find the value of m : n ?
A boat covers 540 km upstream and downstream in 't' time. If the speed of the stream is 8 km/h and the speed of the boat is 10 km/h then find the value ...
Find the common factor of (x2 - 4x - 12) and (x2 - 14x - 32).
11, 18, 27, 38, 54, 66
- If (360 – 335 + 205) ÷ 10 + √1600 = x, then {(x/2) + 8} = ?
ABCD is a cyclic quadrilateral in which AB =16.5 cm. BC = x cm. CD= 11 cm. AD 19.8 cm, and BD is bisected by AC at O. What is the value of x?
If x2 - 7x + 1 = 0, then determine the value of:
If (x² + 1)/x = 3, what is the value of (x¹² + 1)/x ⁶ ?
- If p² + q² + r² = 240 and pq – qr – rp = 64, then determine the value of (p + q – r) ².
Relevant for Exams:
