Question
If digit 2 is interchanged with digit 1, then what will
be the value of the following equation? 9 + 6 ÷ 4 × 21 – 5=?Solution
If we interchange digit 2 with 1 then-  9 + 6 ÷ 4 × 21 - 5 = 9 + 18 - 5 =22
In a college, the proportion of boys to girls is 7:9, and the proportion of graduate students to postgraduate students is 4:5. Determine the total numbe...
when x =4 and y =-6 then find the value of 27x³ +58x²y +31xy² +8y³?
- If (m + n + o) = 16 and (mn + no + om) = 80, then find the value of (m² + n² + o²).
If x + 1/x = 5, find: x² + 1/x²
The roots of the quadratic equation x² + px + q = 0 are in the ratio 3:4. If the sum and product of the roots are 7 and 12, respectively, find the valu...
If x/y = 5/3, Find (x+y)/(x-y)?
Find ‘x’ if (x³+3x)/(3x²+1) = 189/61
If x – 1/x = 9, then x3 – 1/x3 is:
If p = 33 - q - r and pq + r(q + p) = 260, then find the value of (p² + q² + r²).