Question
National Pollution Day is always celebrated on which
date of the December month?Solution
It is the 37th national pollution control day and the main objective of this day is to educate the people and to make them aware of pollution control acts and industrial disasters.
If (a + b) = 7 and ab = 10, then find the value of (a 2 + b 2 ).
If a, b and c are integers such that a 2 + b 2 + c 2 = 228, a + b + c = 26 and b = c, then find the value of a?
If
= -2 then find if a2 + b2 + c2 = 2(3a -5b -6c)-70 , then a-b-c = ?
If (10 a³ + 4b³): (11a³ — 15b³) = 7:5, then (3a + 5b): (9a - 2b) = ?
If x = 15, find x5 - 16x4 + 16x3 - 16x2 + 16x - 16 = ?
- If (x 2 = 2x – 1), then find the value of [x³ + (x⁴/1)][1 - x³]
A shopkeeper marked his article 25% above its cost price and offered a discount of 30%. If cost price of the article is Rs. 560, then find profit or los...
If x2a = y2b =z2c ≠ 0 and x2 = yz, then the value of (ab + bc + ca) /bc is :
If (p + q) = 12 and pq = 32, then find the value of (p² + q²).
