Question
What is the unit digit of the sum of 3694 and the
product of 214 and 123?Solution
Given that, 3694 + (214 X 123) Unit digit of 3694 = 4 And, unit digit of (214 X 123) = unit digit of (4 X 3) = unit digit of 12 = 2 Required unit digit = (4 + 2) = 6 Hence, option b.
If x + y + z = 6, and x3 + y3 + z3 = 36, xyz = 6 then find (xy +yz + zx)?
Solve: 5 – 3x > 2x + 10
If √b + (1/√b) = 11, then find the value of b + (1/b).
- If [x + (1/x)] = 7, find the value of [x⁴ + (1/x⁴)].
The curved surface area of a cylinder is 462 cm² and its base area is 346.5 cm². What is the volume (in cm³) of the cylinder? (Use π =...
If
= -2 then find 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...
Calculate the value of the expression: {2 X (P3 - Q3) - 30 X P X Q} if (P - Q) = 6 and (P2 + Q2) = 80
= ?
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