Coefficient of x2 in (x + 7)(5 - 3x)(3x - 6) is
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Product of digits of a 2-digit number is 24. If we add 45 to the number, the new number obtained is a number formed by interchange of the digits. What is the number?
Aparna changes the marked price of an item to 50% above its C.P. What % of discount allowed in approximately to gain 10%?
PQR is an equilateral triangle. MN is drawn parallel to QR such that M is on PQ and N is on PR. If PN = 6 cm, then the length of MN is
The maximum number of common tangents that can be drawn to two disjoint circles is
If (6 - 18x) - (x - 7) = 8, then the value of x is ______.
On dividing 221a2b2 by 13b2, we get _____.
By what least number should 1200 be multiplied so that it becomes a perfect square?