Question
Find the unit digit of
351.Solution
Unit digit of 351 = unit digit of 3(4 × 12) + 3 = unit digit of 33 = unit digit of 27 = 7
(123×123×123 + 130×130×130)/(123×123 - 123×130 + 130×130) = ?Â
If x/y = 5/3, Find (x+y)/(x-y)?
If (x + y) = 35, then find the value of (x - 10)6 + (y - 25)6.
If cos(A - B) = √3/2 and cot(A + B) = 1/√3, where A - B and A + B are acute angles, then (2A - 3B) is equal to:

If (a + b) = 9 and ab = 14, find the value of (a² + b²).
- If (360 – 335 + 205) ÷ 10 + √1600 = x, then {(x/2) + 8} = ?
If √p + (1/√p) = 12, then find the value of p + (1/p).
Find the value of 3/4 cot² 30° + cos² 30°-3cosec²60° + tan² 60°.
If (a + b) = 13 and (a2 + b2) = 85, then find the value of (a × b).