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If, p³ + q³= 485 and (p + q = 5), then find the value of [(1/p) + (1/q)]
If x + y = 2 and 1/x + 1/y = 18/15, then find the value of (x3 + y3)?
‘a’ is directly proportional to ‘b’. If at a=30, the value of ‘b’ is 20% greater than ‘a’, then find the value of ‘a’ when b=54.
...If 4x² + y² = 40 and x y = 6, then find the value
of 2x + y?
The average of three numbers a, b and c is 2 more than c. The average of a and b is 48. If d is 10 less than c, then the average of c and d is:
If 9x² + y² = 37 and xy=2, x, y>0, then the value of (27x³ + y³) is:
If (528 – 507 + 195) ÷ 11 + √1296 = x, then {(x/2) + 10} = ?
If a + b + c = 12 and ab + bc + ca = 50, then find the value of a2 + b2 + c2.
If tan x + cot x = 7, find tan3 x + cot3 x = ?
125 sweets were distributed equally among children in such a way that the number of sweets received by each child is 20% of the total number of children...
