Subject
Quantitative Aptitude
Topic
Average
If the average of (p, q), (q, r) and (r, s) is 5.8, 1.4 and 0.7 respectively. Find the value of (p - 2r - s).
If the average of (p, q), (q, r) and (r, s) is 5.8, 1.4 and 0.7 respectively. Find the value of (p - 2r - s).
ক)
4.8খ)
1.22গ)
1.6ঘ)
7.4ঙ)
6.8Explanation
We know that, Given, ⇒ p + q = 11.6 ……… (i) Also, ⇒ q + r = 2.8 ……… (ii) And, r + s = 1.4 …………….. (iii) From operation, [(i) – (ii) – (iii)] we get, ⇒ p + q - q - r - r - s = 11.6 - 2.8 - 1.4 ⇒ p – 2r - s = 7.4Related questions
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